African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6786

AJAR Articles

Detection and identification of bacterial soft rot of potato Pectobacterium carotovorum subsp. carotovorum using specific PCR primers in Jordan

September 2017

Potato soft rot is one of the major destructive diseases affecting potato plants throughout the world. In a survey of different potato growing seasons in different regions of Jordan, samples of rotten potato tubers were collected and 131 isolates identified biochemically as Pectobacterium carotovorum subsp. carotovorum (Pcc). The PCR primer pair (EXPCCR/EXPCCF) was used to detect these Jordanian isolates. The primer set...

Author(s): Ibtihal Abu-Obeid, Hamed Khlaif and Nida Salem

Phosphorus, copper and zinc leached in lysimeters with red-yellow latosol subjected to different rates of reused swine water and irrigation water

September 2017

This study evaluates some micro- elements, phosphorus, copper and zinc leached in lysimeters with red-yellow Latosol under different rates of reused water and irrigation water. This was done for a period of 40 days (August to October 2014) at the initial cycle of cauliflower cultivar ‘Verona CMS’, in Sinop/Mato Grosso. Reused swine water (0, 50 and 150 m3 ha-1) was applied in one portion before...

Author(s): Talita Dantas Pedrosa, Henrique Takyiuki Ozima, Roselene Maria Schneider, Adilson Pacheco de Souza, Ednaldo Antonio de Andrade and Luciana Vieira Mattos

Oil palm Fusarium wilt distribution and incidence in Southern Region of Ivory Coast

September 2017

Fusarium wilt of oil palm is caused by Fusarium oxysporum f. sp. elaeidis (Foe) and is particularly prevalent in Africa. This work shows prospect in the industrial and village oil palm plantations in the Southern region of Ivory Coast, used to assess the incidence and distribution of this disease. The method used entailed taking an inventory of all the plants in a given plot, noting the presence or absence of symptoms...

Author(s): GOGBE Balé Françoise Epse Dibi, DIABATE Sékou, KONAN Jean Noel,  KABLAN Kan Aurore Bel Martine, and DOGBO Denézon Odette

Effect of deprivation of selected single nutrients on biometric parameters of cedar seedlings (Acrocarpus fraxinifolius) grown in nutritive solution

September 2017

The purpose of this work was to assess biometric parameters of cedar seedlings (Acrocarpus fraxinifolius) associated with visual symptomatology of macronutrients deficiency, growth rate, and content and accumulation of nutrients in aerial parts of seedlings grown in nutritive solution. The trial was established in completely randomized design with seven treatments, four replications, and one plant per pot. Treatments...

Author(s): João Faustino Munguambe, Nelson Venturin, Maria Ligia de Souza Silva, Leandro Carlos, Diana Suzete Nunes da silva, Elias de Sá Farias, Lucas Amaral de Melo, Renato Luiz Grisi Macedo and Mateus José Comé

Influence of Diatraea saccharalis (Lepidoptera: Crambidae) infestation on sweet sorghum productivity and juice quality

September 2017

Ethanol production from sweet sorghum depends on the quality of the biomass and sugars in the juice extracted from the plant. However, quality may be compromised by Diatraea saccharalis (Fabricius) (Lepidoptera: Crambidae) or sugarcane borer infestation. This study evaluated the effects of infestation by the pest on sweet sorghum juice productivity and quality. Sorghum variety BRS506 was planted in an experimental area...

Author(s): Michelle Vilela, Adriano Jorge Nunes dos Santos, Maria Lúcia Ferreira Simeone, Rafael Augusto da Costa Parrella, Dagma Dionisia da Silva, Douglas Ferreira Parreira, Fabiano Okumura, Robert Eugene Schaffert and Simone Martins Mendes

Challenges to the efficacy of forestry and wildlife policies in Ghana for environmental protection: A review

September 2017

Despite the promulgation of various forest and wildlife policies aimed at ensuring the sustainability and conservation of the environment since 1874, Ghana continues to trail in issues regarding environmental control, especially in mitigating the upfront menace of deforestation and pollution of the environment. The desk review study, driven by qualitative research approach with document analysis, was undertaken to...

Author(s): Dickson Adom

Populational dynamics of fruit flies (Diptera: Tephritidae) in guava orchards in the Northwest region of Espírito Santo, Brazil

September 2017

The diversity of fruit flies (Diptera: Tephritidae) in commercial guava orchards in the Northwest region of Espírito Santo, Brazil was recorded. Also, their population dynamics, correlation with climatic factors and their parasitoids were recorded. This study was carried out in three commercial guava orchards of the cultivar Paluma, located in the municipality of São Roque do Canaã, Central region...

Author(s): Fernando Zanotti Madalon, Lusinério Prezotti, Caroline Merlo Meneghelli, José Romário de Carvalho, Victor Dias Pirovani, Rodrigo Zanotti Madalon, Khétrin Silva Maciel, Geovane Schulz Lauvers, Jorge Montoanelli Correa and José Guilherme Bergamim Mellere 

BRS Gabriela (Ricinus communis L.) castor bean seedlings in function of substrate and container volume

September 2017

Castor bean (Ricinus communis L.) is an oleaginous of high economic value because its oil has numerous applications in the industry, such as in the manufacture of enamels and paints. Presently, its production is aimed at being used as a biodiesel. The main obstacle to a high production is the survival of the young plants in field in a no-tillage system. An alternative would be the production of seedlings. The objective...

Author(s): Francisco Hélio Alves de Andrade, Carla Sabrina Pereira de Araújo, Ronimeire Torres da Silva, Anselmo Ferreira da Silva, Maria de Fátima de Queiroz Lopes, Miguel Avelino Barbosa Neto, Felipe Rafael Linhares dos Santos, Kadson Emmanuel Frutuoso Silva and Rosinaldo de Sousa Ferreira

Effect of organic mulches and land preparation methods on soil moisture and sesame productivity

September 2017

Sesame (Sesamum indicum L.) is one of the exportable commodities in Ethiopia, though its productivity is threatened by moisture stress. This research aims to study effect of organic mulches and land preparation methods on sesame productivity and in-situ moisture conservation. The experiment was carried out in Humera, Western Tigray during 2015/16 growing season. The experimental design was factorial randomized complete...

Author(s): Goitom Teame

Application of multivariate probit on determinants of sesame farmers market outlet choices in Gimbi District, Ethiopia

September 2017

Sesame (Sesamum indicum L.) is an important crop produced in Ethiopia for oilseed production and it was ranked first in total production from oil crops in 2013. The study is based on a survey of 166 farmers covering six kebeles in Gimbi district, Ethiopia with the objectives of identifying factors affecting choice of market outlet of sesame producers in the study area. Data were collected from both primary and secondary...

Author(s): Fikiru Temesgen, Bezabih Emana, Fikadu Mitiku and Efa Gobana

Comparative assessment of proximate content and organoleptic quality of African catfish (Clarias gariepinus) processed by smoking and solar drying methods

September 2017

This experiment was conducted to investigate the effect of two processing methods (smoking and solar drying) on the proximate content, organoleptic characteristics and nutritional qualities of Clarias gariepinus. The moisture content of the smoked fish sample was lower (8.10%) than that of the sun dried sample (25.00%). The crude protein, carbohydrate, fat, ash, crude fibre and nitrogen free extract of the smoked fish...

Author(s): Iheanacho S. C., Nworu S. A., Ogueji E. O., Nnatuanya I., Mbah C. E., Anosike F., Okoye C., Ibrahim U. B., Kogi E. and Haruna M.

Effects of grass (Hyperenia spp.) mulching rate on development and yield of okra (Abelmoschus esculentus) under drip irrigation

September 2017

Mulching minimizes water evaporation from cropped surfaces and increases efficiency of water utilization by the crops. A study was conducted between January to March and August to November 2015 in Zimbabwe, to establish the effect of different densities of thatch grass (Hyperrhenia filipendula) mulch on growth and yield of okra (Abelmoschus esculentus) under drip irrigation. The experiment was laid in a Randomized...

Author(s): Nyajeka, M., Svotwa, E. and Katsaruware, D. R.

Genotype by environment interaction and yield stability of early maturing maize single cross hybrids at three locations in Southern Ghana

September 2017

A grain yield trial was conducted in three locations in Southern Ghana. The objective of the trial was to determine the effects of genotype by environment interaction on 90 early maturing hybrid maize. The trial was conducted in Fumesua, Ejura and Kpeve; representing the forest, forest-Savanna transition and coastal-Savanna transition zones respectively. The analysis of variance for grain yield demonstrated that...

Author(s): Ndebeh J., Akromah R. and Obeng-Antwi K.

Stability analysis for yield and yield contributing characters in hybrid maize (Zea mays L.)

September 2017

Twenty one hybrids along with two check varieties of maize were assessed for genotype environment interaction (GEI) and stability for selection of the best hybrid maize in three different Agro-Ecological Zones (AEZ) of Bangladesh during rabi season 2014/2015. The experiment was laid out in Randomized Complete Block Design with 3 replications. The additive main effects and multiplicative interaction (AMMI) model was used...

Author(s): M. Q. I. Matin, Md. Golam Rasul, A. K. M. Aminul Islam, M. A. Khaleque Mian, J. U. Ahmed and M. Amiruzzaman

Screening of guar accessions [Cyamopsis tetragonoloba (L.) Taub.] for higher yield potential under irrigated conditions

September 2017

Twelve quantitative traits such as germination percentage, days to 50% flowering, plant height, branches plant-1, clusters plant-1, pod length, days to maturity, 1000-seed weight and grain yield plot-1 were studied to determinate ample variation and association between 100 Guar [Cyamopsis tetragonoloba (L.) Taub.] genotypes to screen out the best performing lines. Variance study of quantitative traits in various...

Author(s): Muhammad Azeem Ur Rahman Khalid, Lal Hussain Akhtar, Rashid Minhas, Shah Jahan Bukhari, Muhammad Zubair and Muhammad Ahsan Iqbal

Coffee production through wet process: Ripeness and quality

September 2017

Coffee has the characteristic of ripening unevenly. Production through wet process favors ripe berries. The fraction of green and green-cane fruit on the coffee tree is normally treated as an inferior quality product. The objective of this work was to evaluate the physical and sensorial aspects of the quality of green-cane and cherry coffee produced through wet process. Batches of coffee were separated according to...

Author(s): Leandro Pin Dalvi, Ney Sussumu Sakiyama, Gilberto Santos Andrade, Paulo Roberto Cecon, Fernando Antonio Pereira da Silva and Lidiane dos Santos Gomes Oliveira

Differential reaction of cowpea genotypes to brown blotch disease (Colletotrichum capsici) in Burkina Faso

September 2017

Thirty six Colletotrichum capsici (L.) single spore isolates associated with brown blotch disease in cowpea were collected from three agro-ecological zones of Burkina Faso from October to November 2014. To identify the most virulent strains, cowpea genotypes KVx61-1, KVx396-4-5-2-D and Moussa Local was inoculated with each isolate. The results showed that isolates 096-SA-2, 071-FA-6 and 079-PM-2 were the most virulent,...

Author(s): Gilles I. Thio,, Elisabeth P. Zida, Fidèle B. Néya, Joseph T.B. Batieno, James B. Néya, Mahamadou Sawadogo and Paco Sérémé

Genetic diversity of rice from Iran region assessed by simple sequence repeat (SSR) markers

September 2017

Simple sequence repeat (SSR) markers (36 microsatellite pairs) were used to assess genetic diversity among sixteen rice (Oriza sativa L.) cultivars from Iran, four from Uzbekistan, and one from Afghanistan, and to compare this diversity with that of three control cultivars including Nipponbare, Jasmine 85 and Basmati 370. Among the 36 microsatellite pairs, 31 produced polymorphisms ranging from 1 to 7 alleles (average =...

Author(s): Mehran Vazirzanjani, Shinya Kawai, Hossein Mardani Korrani, Asma Ossivand and Taiichiro Ookawa

Effects of cattle manure over the content, extraction and exportation of nutrients in snap bean

September 2017

The use of organic fertilizers is essential for the sustainable production of vegetables. In this context, the aim of this study was to evaluate the effect of different doses of cattle manure on plant nutrition, yield, extraction and exportation of nutrients in the snap bean cultivar “macarrão trepador”. The experiment was held in EPAMIG-southeast, in Oratório-MG. The randomized block design...

Author(s): Ivan de Paiva Barbosa, Maria Aparecida Nogueira Sediyama, Antônio Carlos da Silva Júnior, Sanzio Mollica Vidigal, Iza Paula de Carvalho Lopes and Izabel Cristina dos Santos

Phosphorus fixation and its relationship with physicochemical properties of soils on the Eastern flank of Mount Cameroon

September 2017

The Eastern flank of Mount Cameroon is made up of human settlement and agricultural activities. Determination of phosphorus (P) fixation characteristics of soils around this region is important for a clean environment and economic fertilizer application. The objectives of this study were to evaluate P-fixation characteristics of soils within the region and identify factors contributing to P-fixation. Composite surface...

Author(s): Kenneth Mbene, Aaron SuhTening, Cheo Emmanuel Suh, Norbert Nkafu Fomenky and Vivian Bih Che

Husbandry practices and phenotypic characteristics of indigenous goat populations in Ethiopia

September 2017

The present study was conducted with the objective to characterize the husbandry practices and phenotypic characteristics of mature Bati, Borana and Short-eared Somali goats kept under traditional management systems so that the information generated can be used in designing breeding programs. The study was covered five districts in four administrative zones of Ethiopia representing Bati (in Oromia Zone) and Kalu (in...

Author(s): H. Gatew, H. Hassen, K. Kebede, A. Haile, R. N. B. Lobo, A.Yetayew and B. Rischkowsky

Development of a low cost and energy efficient tobacco curing barn in Zimbabwe

August 2017

Most of the tobacco in Zimbabwe are grown by small scale tobacco growers who rely on wood-fuelled inefficient conventional barns with fuel wood requirements as high as 14 kg wood to one kilogram of cured tobacco leaf. This level of fuel wood use is not sustainable as it results in massive tobacco-curing related deforestation. The main objective of this study was therefore to design an energy efficient barn (Kutsaga...

Author(s): W. Munanga, F. T. Mugabe, C. Kufazvinei and S. Dimbi

Performance of intraspecific hybrids (Kouillou x Robusta) of Coffea canephora Pierre

August 2017

The experiment was carried out in 2005 in the municipality of Ouro Preto do Oeste at the experimental station of Embrapa Rondônia. 256 genotypes were evaluated, from nine hybridizations among parents of Kouillou (Cpafro 121, Cpafro 194, Cpafro 199 and Emcapa 03) and Robusta (Robusta 1675, Robusta 2258 and Robusta 640). The experimental design was a randomized complete block design, where each cross was represented...

Author(s): Alexsandro Lara Teixeira, Flávio de França Souza, Rodrigo Barros Rocha, José Roberto Vieira Junior, Josemar Dávila Torres, Karine Marques Rodrigues, Marcos Santana de Moraes, Camila Andrade Silva, Victor Emanuel Gonçalves de Oliveira and João Luiz Resende Lourenço

Farmers’ perception of agromorphological traits and uses of cocoyam (Xanthosoma sagittifolium (L.) Schott) grown in Ethiopia

August 2017

Cocoyam (Xanthosoma sagittifolium (L.) Schott) is one of the tuberous root crops in the Araceae family that has been grown in Ethiopia. It has spread widely and has become an important part of the agriculture and food systems of indigenous communities in southern and southwestern Ethiopia. However, less research attention has been given to cocoyam. It is a neglected/underutilized or ignored crop.  A survey was...

Author(s): Eyasu Wada, Zemede Asfaw, Tileye Feyissa and Kassahun Tesfaye

Effect of cutting time on agronomic and nutritional characteristics of nine commercial cultivars of Brachiaria grass compared with Napier grass during establishment under semi-arid conditions in Rwanda

August 2017

A study was conducted to identify the most productive cultivars and their cutting management to optimize nutrient productivity in semi-arid areas of Rwanda. Four cultivars of Brachiaria brizantha (Piatá, MG4, Marandú and Xaraes), two cultivars of Brachiaria humidicola (Llanero and Humidicola), two cultivars of Brachiaria hybrid (Mulato and Mulato II) and one cultivar of Brachiaria decumbens (Basilisk) were...

Author(s): Mupenzi Mutimura, Cyprian Ebong, Idupulapati M. Rao, and Ignatius V. Nsahlai

Effect of integrated agronomic management practices on yield and yield components of groundnut in Abergelle, Tigray, Ethiopia

August 2017

Poor soil fertility, moisture stress, and shortage of early maturing varieties are the major groundnut production constraints in the study area. This study was executed to evaluate the effect of Diammonium phosphate (DAP) and gypsum application, tied ridging and supplementary irrigation on groundnut production. The experiment was laid out in a Randomized Complete Block Design with three replications in two sites....

Author(s): Gebreselassie Redae, Dereje Assefa and Solomon Habtu

Effect of planting density on growth, yield and yield attributes of rice (Oryza sativa L.)

August 2017

The study was conducted during 2012 from May to August cropping year at paddy field of Tsukuba International Training Center (TBIC), Japan. The main purpose of the experiment was to investigate the effect of planting density on the growth, yield and yield attributes of rice. The experiment comprised of five planting densities (16.7, 22.2, 25, 33.3 and 50 hills m-2). It was arranged in Randomized Complete Block Design...

Author(s): Berhanu Arbissie Asmamaw

Influence of boll sampling method and water stress on fiber quality of irrigated cotton (Gossypium hirsutum L.)

August 2017

The quality of cotton fibers in Brazil has been studied. This was done by studying the fiber samples obtained from bolls removed from the middle third of the plants. These fiber samples are referred to as “standard sample”. This way to collect fiber data requires lots of labor, and may disguise the results obtained in experimental appraisals, due to human errors in gathering boll. Besides, cotton yield and...

Author(s): João Henrique Zonta, Ziany Neiva Brandão, Josiane I. S. Rodrigues, Heder Braun, Alécio Pereira, Elloise R. C. Lourenço and Valdinei Sofiatti

Agronomic practices and causes of decline in trifoliate yam (Dioscorea dumentorum Kunth Pax) production in Enugu State, Nigeria

August 2017

Trifoliate yam is a species of yam with limited documented research and information on its production and importance in spite of its high yielding quality, nutritional, medicinal and industrial uses. This study was therefore carried out to describe agronomic practices, production trend and causes of decline in trifoliate yam production in Enugu state, Nigeria. Three agricultural zones, six blocks, eighteen circles and...

Author(s): Iwuchukwu J. C. and Okwor K. C

Sample size for evaluation of eggplant and gilo seedlings

August 2017

In horticultural nurseries, it is important to determine the number of plants to be evaluated to obtain reliable inferences about seedling growth. The objective of this study was to determine the sample size required to estimate the mean of quality traits of eggplant and gilo seedlings. The seedlings of both vegetables were produced in expanded polystyrene trays using (8×16) 128 cells each and 40 cm3 high. At 45...

Author(s): Leonardo Raasch Hell, Adriel Lima Nascimento, Omar Schmildt, Renan Garcia Malikouski, Adriano Alves Fernandes, Sávio da Silva Berilli, Nilson Nunes Morais Junior, Waylson Zancanella Quartezani, José Augusto Teixeira do Amaral and Edilson Romais Schmildt

Effect of seeds pretreatment and storage on improvement of the germination and emergence of Anthyllis cytisoïdes L.

August 2017

Anthyllis cytisoïdes L. is a species of shrubby legume that is a member of the Fabaceae family and grows in zones located along the coast, near the Mediterranean Sea. This shrubby forage species is considered a good aliment source for some ruminants. Pretreatment seeds germination and their viability after storage for long periods of time were tested. Pretreatment conditions were as follows: (T1) seeds were soaked...

Author(s): Acherkouk, M., Aberkani, K., Sabre, I. A., Maatougui, A., Amhamdi, H. and Haloui, B.

Effect of row spatial arrangements on agromorphological responses of maize (Zea mays L.) and cowpea [Vigna unguiculata (L.) Walp] in an intercropping system in Southern Cote d'Ivoire

August 2017

Field trials were conducted at the University Nangui Abrogoua, Abidjan, southern Cote d'Ivoire during the 2015 and 2016 short rainy season to study the performance of maize (Zea mays L.) and cowpea [Vigna unguiculata (L.) Walp] intercrop as influenced by row arrangement. A randomized complete block design (RCBD) with five treatments (SM; SC; MC; 1M1C and 2M4C) and three replications was used. SM was sole maize, SC...

Author(s): KIMOU Serge Hervé, COULIBALY Lacina Falengué, KOFFI Bertin Yao, TOURE Yaya, DÉDI Ky Juliette and KONE Mongomaké

Growth and senescence of Urochloa brizantha under Brazilian Cerrado conditions

August 2017

The growth and senescence of Urochloa brizantha cv. Marandu were analyzed under the Brazilian Cerrado conditions. The seeds were sowed in November at the beginning of the rainy season. Samples of tillers were collected. The culms, inflorescences, along with green and dead leaves were removed to obtain leaf area and dry matter measurements. The maximum leaf area index (LAI = 5.80 m2 m-2) was achieved at 97 days after...

Author(s): Tomás de Aquino Portes, Adriano de Melo Ferreira, Murilo de Melo Peixoto and Hyrandir Cabral de Melo

Pollination activity and foraging behavior of local honeybee (Apis mellifera) under open and caged conditions in Mekelle, Tigray, Ethiopia

August 2017

Locally there is cultivation of vegetables in greenhouse as a production system; however, it is not common to use honeybee as pollinators. This might be due to a fear of low pollination efficiency or activity of local bees under caged condition. Moreover there is no research related to the foraging behavior of local honeybee under caged condition. Hence, this investigation was designed to study foraging behavior of...

Author(s): Haftom Gebremedhn

Response of yield and yield components of tomato (Solanum lycopersicon L.) to different inter and intra-row spacing at Merebleke, Northern Ethiopia

August 2017

A field experiment was conducted at Aksum Agricultural Research Center Merebleke irrigation testing site for two years, 2014 and 2015 cropping calendar under irrigation condition. The objective of the study was to determine the effect of Inter and intra-row spacing on growth, Yield and fruit characteristics of Melkashola variety of tomato. The trial was laid out in factorial randomized complete block design in three...

Author(s): Shushay Chernet, Fasigaw Belay, Guesh Tekle, Yemane Kahsay, Nahom Weldu and Gebretsadkan Zerabruk

Growth and yield responses of sesame to organic fertilizer under tropical conditions

August 2017

The use of cattle manure and other organic compounds can be a profitable and efficient alternative in sustainable agriculture. The aim of this work was to evaluate the development and production of sesame ‘BRS Seda’ for organic fertilization at different doses, under the conditions of soil and climate found in Catolé do Rocha, in the State of Paraíba, Brazil. The following characteristics were...

Author(s): Ivomberg Dourado Magalhães, Alexandre Bosco de Oliveira, Leandro Silva do Vale, Claudio Silva Soares and Rener Luciano de Souza Ferraz

Restoring soil fertility in previously sugarcane cropped farms for maize production in Butere- Kakamega County

August 2017

The depletion of fertility in tropical soils of sub Saharan Africa (SSA) is mainly due to continuous cropping without proper nutrient replenishment. This study was intended to find ways of restoring soil fertility towards sustainable maize production in previously sugarcane cropped fields in Butere-Kakamega County. Field experiments were conducted in Butere and Bukura sites located in Kakamega County in the long rains...

Author(s): S. Oyamo, C. Serrem and A. N. Otinga

The study of entrepreneurial skills required by small scale poultry farmers in Orumba North and South Local Government Area of Anambra State, Nigeria

August 2017

The study investigated entrepreneurial skills required by small-scale poultry farmers in Orumba North and South Local Government Area of Anambra State. Four research questions were developed and hypothesis tested at 0.05 level of significance. Twenty nine (29) structured questionnaire items were developed and face validated by three experts. The reliability of the questionnaire was determined using Cronbach Alpha...

Author(s): Felistas E. NwariejI, Bridget .C. Obi and Ejiofor Tochukwu

Symbiotic efficiency of pea (Pisum sativum) rhizobia association under field conditions

August 2017

The objective of this study was to evaluate the symbiotic efficiency of rhizobia under field conditions for peas (Pisum sativum L.). Ten treatments were evaluated and divided into eight strains of rhizobia and two uninoculated strains as controls (with and without the addition of mineral N). The variables analyzed were: Nodulation, dry mass of the aerial part, total N of the aerial section, pea production and symbiotic...

Author(s): Aleksander Westphal Muniz, Murilo Dalla Costa, Enilson Luiz Saccol de Sá, Ana Beatriz Fiuza and Edemar Brose

Organic matter sources in the composition of pelletized organomineral fertilizers used in sorghum crops

August 2017

Organomineral fertilizers have been used to meet plants’ nutritional needs and reduce producers’ reliance on mineral fertilizers. This study aimed to determine the effect of organic matter sources for organomineral fertilizers and traditional mineral fertilizers to the sorghum initial development. The experiment followed a randomized complete block design in a ‘4 x 3 + 2’ factorial arrangement,...

Author(s): Douglas Prates Oliveira, Reginaldo de Camargo, Ernane Miranda Lemes, Regina Maria Quintão Lana, Ana Luísa Alves Matos and Mara Lucia Martins Magela

Soybean yield of degraded pasture after reimplantation with and without phosphating

August 2017

The objective of this work was to evaluate the effect of different forms of reimplantation of pasture with and without phosphatation aiming to contribute to the increase of soybean yield. The experiment was conducted at the Experimental Farm of Universidade do Oeste Paulista (Unoeste), located in the municipality of Presidente Bernardes - SP. The design was done with split plot scheme, containing four replicates. The...

Author(s): Luanda Torquato Feba, Edemar Moro and Wellington Eduardo Xavier Guerra

Interaction of biological nitrogen fixation and fertilization: Effects on growth and yield of common bean in the dry season

August 2017

The inoculation with Rhizobium together with nitrogen (N) fertilization during sowing can maximize common bean yield cultivated in the rainy season, but this interaction was not studied in the dry season cultivation. Therefore, the objective of this study was to evaluate the effects of biological nitrogen fixation (BNF) and or N fertilization on growth and yield of common bean cultivated in the dry season. Two...

Author(s): Rodrigo Luiz Neves Barros, David Cabral Macedo, Gepatrik Rodrigues Lima and Carlos Pimentel

Selenium and agricultural crops

August 2017

Higher plants have different capacities to accumulate and tolerate selenium, referred to as accumulative and non-accumulative plants. Selenium-accumulators plants may contain hundreds of times more selenium than non-accumulators even when grown in the same soil, or can also grow in soils with low and medium selenium reserves; while selenium non-accumulator plants present low accumulation and tolerance to high selenium...

Author(s): Gilmara Pereira da Silva, Leonardo Correia Costa, Victor Vergara Carmona, Sylvia Leticia Oliveira Silva and Edilaine Istefani Franklin Traspadini

Balance of elements and tolerance of the Terminalia catappa L. to seawater salinity

August 2017

The Terminalia catappa L., popularly referred to as Indian almond, adapts to different soil and climatic conditions. It is a fast growing tree and has been widely used for ornamental and medicinal purposes. This plant might also be used as a carbon sequester in areas subject to soil and water salinity problems. This paper aims at studying the balance of salts among parts of the Indian almond tree under different...

Author(s): Francisco Alves da Silva, Marcos Eric Barbosa Brito, Pedro Dantas Fernandes, Elisandra Ribeiro de Lima Pereira, Camilo Alisson Simões de Farias and Marcos Barros de Medeiros

Symptomless banana suckers sourced from Xanthomonas wilt infected fields are a viable alternative for seed within infected banana-based landscapes lacking access to clean planting materials.

August 2017

Xanthomonas wilt (XW) caused by Xanthomonas campestris pv. musacearum (Xcm) is an important constraint to banana production in East and Central Africa. The use of clean planting materials (CPM) for establishing new fields/ re-planting rouged fields/mats is recommended. However, banana is mainly produced by resource-poor small-holder households with no/limited access to CPM. We assessed XW incidence in fields planted...

Author(s): Charles Sivirihauma, Walter Ocimati, Lusenge Vutseme Jules Ntamwira, Lilliane Bahati and Guy Blomme

Effect of heat treatment on forage quality of bio-fortified orange fleshed Ipomea batatas crop residues and roots

August 2017

Post-harvest management of sweet potatoes (SP) crop residues preserves nutrients, deactivates inhibitor compounds and improves rumen degradation. The aim of the study was to determine effects of drying crop residues and heating roots on forage value of a bio-fortified orange fleshed sweet potato (OFSP) variety in South Africa. The crop was harvested at maturity and roots separated from crop residues. Roots were washed,...

Author(s): Florence Veronica Nherera-Chokuda, Christiaan Jacobus Smit, Mukengela Claude Muya and Joyce Ledile Marumo  

Synergy and trade-offs between economic efficiency and environmental effects of alternative land use practices using farm level static bio-economic modelling in Bale Eco-Region

August 2017

In Bale Eco-Region (EBR), production and productivity mainly suffers from fertility deterioration, skyrocketing prices of fertilizer, and unsustainable interactions among different land uses systems. This study was initiated to determine synergy and trade-offs between economic efficiency and environmental effects of alternative land use practices using farm level static bio-economic modelling EBR. Data were collected...

Author(s): Desalagn Alemayehu, Teshale W. Amanuel and Van Rooijen

Implications of tillage practices, management of soil surface and fertilizer application on sustainable dryland agriculture: A case study of Eastern Rwanda

August 2017

Conservation agriculture (CA) is becoming popular in sub-Saharan Africa as potential solution to soil degradation. However, most findings are based on large scale, mechanized agricultural production systems which are not easy to apply within the smallholder farmer’s context. This study assessed the implications of tillage practices, management of soil surface and fertilizer application on sustainable dryland...

Author(s): M. Kabirigi, F. K. Ngetich, K. K. Mwetu, P. Rushemuka, E. J. Wasige, Vicky M. Ruganzu and N. L. Nabahungu

Silicon supplements affect yield and fruit quality of cucumber (Cucumis sativus L.) grown in net houses

August 2017

Silicon (Si) plays an important role in plant growth and development, but the uptake, accumulation in tissue, and beneficial effects of Si differ greatly between plant species. Net house experiments were conducted with Cucumis sativus L. ‘Shabah F1’ in 2013 and repeated in 2014 to determine the effects of Si supplementation on yield, fruit quality, and chemical composition. Diatomite (86-89% SiO2) was...

Author(s): Emad Abd-Alkarim, Yousry Bayoumi, Elmahdy Metwally and Mohamed Rakha,

A gender and decent work analysis of cassava production and on-farm processing, in Kuria west sub-county, Kenya

August 2017

In Kenya, cassava (Manihot esculenta) is one of the strategic crops with the ability to withstand adverse climatic conditions. It thrives well in areas with little rainfall such as Kuria west sub-county. It is an important food security crop for resource poor households and has a high potential for value addition. With limited range of crop and livestock farm enterprises that can be raised, cassava production engages...

Author(s): Job Kibiwot Lagat and  Mary Chepkoech Maina

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