African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6801

AJAR Articles

Integrated management of termites damaging wooden structures

April 2016

Field experiment was set up in November 2011 and continued up to March 2013 on 324 m2 backyard garden plot of a farmer‘s residential area. The experiment was laid in 6 m × 6 m Latin square design. The treatments were polyethelene bag covered wooden sticks, chlorpyrifos 48% E.C. treated and polyethelene bag covered wooden sticks, Masea lanceolata treated and polyethelene bag covered wooden sticks,...

Author(s): Mulatu Wakgari and Emana Getu

Nitrogen compounds, proteins and amino acids in corn subjected to doses of aluminum

April 2016

Corn (Zea mays L.) is highly adaptable, but it has difficulties in expressing its productive potential in soils with high aluminum content, since this element is directly related to high acidity in the soil. The objective of this study was to evaluate the nitrogen compounds, proteins and amino acids of two corn cultivars subjected to increasing doses of aluminum. The experiment was carried out in a greenhouse using one...

Author(s): Luma Castro de Souza, Deise Cristina Santos Nogueira, Liliane Corrêa Machado, Thays Correa Costa, Jéssica Taynara da Silva Martins, Cleverson Alan Pantoja Mendes, Najla Maria Castro Pires, Cândido Ferreira de Oliveira Neto, Susana Silva Conceição and Ana Ecídia de Araújo Brito

Bioactive compounds and antioxidant activity of Tacinga inamoena (K. Schum.) [NP Taylor & Stuppy] fruit during maturation

April 2016

Tacinga inamoena (K. Schum.) [N. P. Taylor & Stuppy] is a native Cactaceae from the semiarid region of Northeastern Brazil whose fruit is eaten by the local population. It seems that there is a significant amount of functional compounds such as polyphenols and betalains in this fruit as reported for other well-known cacti. Although there are not enough studies that have been conducted, it has attracted interest...

Author(s): Renato Lima Dantas, Silvanda de Melo Silva, Ana Lima Dantas, George Henrique Camêlo Guimarães, Renato Pereira Lima, Ricardo de Sousa Nascimento, Mariany Cruz Alves da Silva, Rosana Sousa da Silva, Djail Santos and Rejane Maria Nunes Mendonça

Wood ash on the fertilization of marandu grass in Brazilian cerrado soils

April 2016

Wood ash can be an alternative fertilizer and soil corrective measure, directly contributing to the production of pastures. The objective of this research was to evaluate the growth and production of marandu grass fertilized with wood ash and grown in two soil classes of the Brazilian Cerrado. The experiment was conducted in a greenhouse during the period from December, 2012 to May, 2013. The experimental design was...

Author(s): Maria Débora Loiola Bezerra, Edna Maria Bonfim-Silva, Tonny José Araújo da Silva, Helon Hébano de Freitas Sousa, Thiago Franco Duarte, Ellen Souza do Espírito Santo and Adriano Bicioni Pacheco

Fumigant and repellent activity of Rutaceae and Lamiaceae essential oils against Acanthoscelides obtectus Say

April 2016

Acanthoscelides obtectus Say, a principal pest of kidney beans Phaseolus vulgaris L. in the Mediterranean area, is a multivoltine and oligophagous bruchid that damages not only host plant (kidney bean) but also other Leguminosae species. Essential oils of Rutaceae: Citrus reticulata L. and Citrus limonum L. and of Lamiaceae Mentha piperita L. and Lavandula angustifolia L. were evaluated by fumigation upon A. obtectus...

Author(s): Karima Khelfane-Goucem, Nadia Lardjane and Ferroudja Medjdoub-Bensaad

Organic-matter effects on populations of dry rot of yam nematodes

April 2016

The objective of this study was to evaluate the effect of organic-matter incorporated into the soil on population densities of the causal agents of the dry rot disease of yam, under field conditions. The experiment was performed in a natural infested area with a mixed population of Pratylenchus coffeae and Scutellonema bradys, in Quebrangulo county (Alagoas state, Brazil) in a randomized block design with five...

Author(s): Ana Caroline de Melo Morais, Maria de Fátima Silva Muniz, Rosangela da Silva Lima, Gilson Moura Filho and José Mauro da Cunha e Castro

Production of sunflower under saline water irrigation and nitrogen fertilization

April 2016

The aim of the present study was to evaluate the  production components of  sunflower Embrapa 122-V2000, as a function of irrigation water salinity and nitrogen doses. The experiment was conducted in plastic pots with a capacity of 100 L under greenhouse conditions in Federal University of Campina Grande, during the period of April-July 2012, in an experimental design adopting factorial arrangement of 5 x 5,...

Author(s): João Batista dos Santos, Cruz Ramón Marenco Centeno, Carlos Alberto Vieira de Azevedo, Hans Raj Gheyi, Geovani Soares de Lima, Lourival Ferreira Cavalcante and Manassés Mesquita da Silva

Response of sugar cane to limitation hydric and nitrogen dose

April 2016

The great social and economic importance of sugarcane makes it critical to understand the responses of the crop to adverse stress. This study was carried out to characterize the morpho-physiological index of sugarcane cultivated under different levels of water replacement with four replicates, corresponding to five levels of water replacement (100, 75, 50, 25 and 0% of soil humidity at field capacity) and either...

Author(s): Renato Campos de Oliveira, Fábia Barbosa da Silva, Marconi Batista Teixeira, Alan Carlos Costa, Frederico Antônio Loureiro Soares and Clarice Aparecida Megguer

Green manure in fruticulture: Aspects on soil quality and use in agriculture

April 2016

The farming practices have a direct impact in ecosystems and cause changes in the basic structures involved in the environment. Cultivated soils, after years of use, show changes in the physical, chemical and biological attributes, requiring improve production processes, with the intention of management alternatives that minimize environmental degradation and, consequently increasing the sustainability of agricultural...

Author(s): Paulo Vicente Contador Zaccheo, Carmen Silvia Vieira Janeiro Neves, Daiane de Cinque Mariano, Thiago Ometto Zorzenoni, Leandro Riyuiti Higashibara, Gleberson Guillen Piccinin and Ricardo Shigueru Okumura

Effects of cover crops in the dynamics of organic matter and potassium in the soil and performance of common bean in the Brazilian Cerrado of Goiás State

April 2016

The effects of several cover crops on common bean cv. Pérola productivity cropped at Goiano – Ceres Campus (Brazil) and changes in soil organic matter and potassium were evaluated for one season. The experiment was based on a randomized complete blocks design encompassing four treatments (spontaneous vegetation, Crotalaria spectabilis L., Mucuna aterrima L. and Pennisetum glaucum) and four replications....

Author(s): Cleiton Mateus Sousa, Cleber Luiz de Souza, Marcos Paulo dos Santos and Ana Paula Santos Oliveira

Assessment of genetic divergence in runner peanut genotypes grown in the Brazilian Northeast environments

April 2016

Runner cultivars are widely demanded by peanut farmers because of their high oil and grain productions. As those are late cycles, the management is limited in environments with water restriction. For improvement of runner genotypes to these environments is necessary to identify genotypes adapted and the knowledge of genetic divergence is quite relevant to assist the breeding procedures. In this work, ten morphological...

Author(s): Ricardo Alves da Silva, Jean Pierre Cordeiro Ramos, Lucas Nunes da Luz, José Jaime Vasconcelos Cavalcanti, Liziane Maria de Lima, Rosa Maria Mendes Freire, Carliane Rebeca Coelho da Silva and Roseane Cavalcanti dos Santos

Productivity of transplanted rice as influenced by weed control methods

April 2016

Rigorous research efforts are being made by scientists around the world to evolve different strategies for improving rice yield. Most of the improved crop management practices in rice cultivation failed due to poor and improper practices for containing weeds. At present, no single approach, that is, uses of herbicides or manual or mechanical weeding is effective in containing the weed menace.  Hence, the present...

Author(s): T. Parthipan and V. Ravi

Effect of seasonality on abundance of African weaver ant Oecophyllalonginoda (Hymenoptera: Formicidae) in cashew agro-ecosystems in Tanzania

April 2016

The effect of seasonality on abundance of the African weaver ant (AWA) was determined in the cashew fields at Bagamoyo and Kibaha districts, Coast Region of Tanzania. Twenty cashew trees colonized by AWA were randomly selected per site and its abundance was monitored during cashew on-seasons and off-seasons in 2011 and 2012. Results showed that abundance of AWA, which was expressed as mean numbers of leaf nests per tree...

Author(s): Moses I. Olotu

Coping measures required by farmers in managing climate change stress for effective agricultural crop production: Case study of Abia State, Nigeria

April 2016

This study was carried out to identify coping measures required by farmers in managing climate change stress for effective agricultural production in Abia State, Nigeria. Design of the study was descriptive survey. The study was carried out in Abia State. Two research questions guided the study while two null hypotheses were formulated and tested. Population for the study was 1,009 made up of 768 farmers and 241...

Author(s): Onu F. M., Alaribe M. O. and Ikehi M. E.

Agribusiness concerns in large scale processing and marketing of melon in Southeastern Nigeria

April 2016

The study aimed at determining strategies that could be utilized to reduce the concerns of consumers on the processed agricultural products through technology in order to make technological innovation effective and economically rewarding. Two research questions were developed and answered by the study using cross sectional survey research design. The sample for the study was 317 consisting of 116 registered women melon...

Author(s): Ukonze Juliana Adimonye, Okeke Amaka Ukamaka and Ndubuaku Uche

How to control Helicoverpa armigera on soybean in Brazil? What we have learned since its detection

April 2016

The present study was motivated by a lack of information on how to control Helicoverpa armigera in soybean fields in Brazil. Nine chemical and four biological treatments were tested. Control efficiency was evaluated at 3, 7, 10, and 14 days after spraying. Moreover, the cost benefit ratio by the yield and cost of insecticide application and the economic injury level (EIL) were used to calculate the chemical and...

Author(s): Clérison Régis Perini, Jonas André Arnemann, Adriano Arrué Melo, Maiquel Pizutti Pes, Ivair Valmorbida, Manoela Beche, and Jerson Vanderlei Carús Guedes

Farmer participatory varietal selection in pearl millet: Experience across some states of Northern Nigeria

April 2016

Farmers participation in the process of on-farm research does not only enrich the speed up of information gathering, but also result in large scale adoption of the product of research. A small farmer deals with a variable environment and has multiple production objectives that will affect his or her choice of crops and selection of genotypes. In areas where farmers are unfamiliar with available improved varieties, there...

Author(s): Angarawai I. I., Bukar B., Olabanji O. G., Iro N., Haussmann B. G., Weltzien E. V.,  Gwadi K. W. , Gubio T.  and Yahaya Y.

Development evaluation of Lesotho agricultural input subsidy policy based on rural households’ food security and access to inputs: Evidence from Mohale's Hoek District

April 2016

The prevalence of poverty in Lesotho is a pressing issues raising concern in terms of rural households’ food security and welfare. In that regard, this study attempts to establish or identify the determinants of farmers’ access to inputs via the government. The second part incorporates the use of subsidized inputs and measure the impact of the government input subsidy program on food security. The motive...

Author(s): Thapelo Johannes Molatoli and Li Xiaoyun

Influence of foliar spray with phenylalanine and nickel on growth, yield quality and chemical composition of genoveser basil plant

April 2016

Two field experiments were conducted during two successive seasons to study the effect of foliar application with Phenylalanine (zero, 50 and 100 ppm) and /or nickel (zero, 50 and 100 ppm) on growth, yield and essential oil components of genoveser basil plant (Ocimum basilicum L. var. Genoveser). Application of the combined treatment  (100 ppm Phenylalanine + 50 ppm nickel) resulted in the maximum values of all...

Author(s): Reham M. S., Khattab M. E., Ahmed S. S. and Kandil M. A. M.

Effect of scab disease on the yield of intercrop systems of cowpea maize and sorghum

April 2016

Three field sites were selected during the raining season (July to October) of 2004, 2005 and 2006 at the Institute for Agricultural Research, Ahmadu Bello University, in Samaru, Zaria, Nigeria to determine the effect of scab on the yield of cowpea variety (Ife brown) intercrop with cereals. This variety (Ife Brown) selected was highly susceptible to scab. Any reduction in yield is attributed to the disease since it...

Author(s): G. A. Mbong, C. N. Fokunang, E. A. Tembe-Fokuang, O. O. Alabi, A. M. Emechebe, M. B.  Bambot and M. D. Alegbejo

Viability and enzyme activity of coffee seeds subjected to LERCAFE test

April 2016

The LERCAFE test consists in immersing coffee seeds in an active chlorine solution, which reacts with the seeds’ endosperm, thus staining the viable parts dark green. The goal was to adapt the LERCAFE methodology to coffee seeds and assess the isoenzymatic profile of seeds subjected to the test. Two experiments were conducted, the first with adequacy of the LERCAFE test methodology, and the second experiment...

Author(s): Rodrigo Marques Nascimento, Bárbara Gomes Ribeiro, Marcela Carlota Nery, Denison Ramalho Fernandes, Edila de Resende Vilela Von Pinho, Raquel Maria de Oliveira Pires and Cíntia Maria Teixeira Fialho

Physiological quality of quinoa seeds submitted to different storage conditions

April 2016

Quinoa has grown importance in the world due to the nutritional quality of its grains and crop adaptability to diverse climatic conditions. One problem that limits its cultivation is the reduced viability of seeds during storage and the information is rather scarce. This work aimed at evaluating the physiological quality of quinoa seeds along time when submitted at storage conditions and packaging. An entirely...

Author(s): Flívia Fernandes de Jesus Souza, Ivano Alessandro Devilla, Raniele Tadeu Guimarães de Souza, Itamar Rosa Teixeira and Carlos Roberto Spehar

Competitive strategies applied to agribusiness in South-Eastern Paraná, Brazil

April 2016

Agriculture plays a key role in the economy and quality of life. How to best employ available resources in order to improve productivity, profitability and sustainability of these processes has been the subject of many studies. This study aims to analyse by multi-index methodology the expected return and risks associated with investment in agribusiness, particularly on what concerns the implantation viability of a...

Author(s): Carlos Otávio Senff, Luciano Bendlin, Lucimara Garibaldi, Alceu Souza, Luiz Carlos Duclós and Claudimar Pereira da Veiga,

Soil physical and hydraulic changes in different yielding zones under no-tillage in Brazil

April 2016

Soil physical and structural degradation may influence crop productivity over time in long-term no-tillage system areas. A field study was conducted at two sites, Palmeira das Missões and Não-Me-Toque, in southern Brazil to quantify soil physical/hydraulic and structural changes in zones with different yield potentials. The sites have been managed under no-tillage system without soil disturbance for more...

Author(s): Antônio Luis Santi, Júnior Melo Damian, Maurício Roberto Cherubin, Telmo Jorge Carneiro Amado, Mateus Tonini Eitelwein, André Luis Vian and Wilfrand Ferney Bejarano Herrera

Volumetric models for Eucalyptus grandis x urophylla in a crop-livestock-forest integration (CLFI) system in the Brazilian cerrado

April 2016

The influence of the forest component in the crop-livestock-forest integration system depends on several factors, among which are the plant species used and the row spacing established in system deployment. Therefore, the objective of this study was to characterize the tree component dendrometrically using Eucalyptus grandis x urograndis individuals from the CLFI system and to determine the model fit with volumetric...

Author(s): José Mauro Lemos-Junior, Carlos de Melo e Silva-Neto, Kellen Rabello de Souza, Luanna Elis Guimarães, Flaviana Delmiro Oliveira, Rosana Alves Gonçalves, Marina Morais Monteiro, Nauara Lamaro Lima, Fábio Venturoli and Francine Neves Calil

Physicochemical quality of Murici covered with starch-based coverings and stored at different temperatures

April 2016

The aim of this work was to evaluate the physicochemical characteristics of murici (Byrsonima crassifolia (L.) Rich.) covered with starch-based coverings and stored at different temperatures. The fruits were harvested on EMBRAPA experimental farm, in the city of Pacajus-Ceará, where they were taken to the lab, washed, sanitized and naturally dried. Afterwards, they were treated with coverings made out of...

Author(s): Valdeci Aparecido Mota, Juliana Cristina Castro, Julianna Matias Vagula, José Maria Correia da Costa and Edmar Clemente

Evaluation of Spirulina platensis as microbial inoculants to enhanced protein levels in Amaranthus gangeticus

April 2016

The demand for increase in food production for increasing population with adequate bioavailable nutrients has become a challenge for the agriculturists, nutritionists, biotechnologists to meet the requirements of mankind. The microbial biofertilizers are applied in the form of seaweed liquid extracts, microbial inoculants, biostimulators and biofortification agents. All these categories of microbial biofertilizers are...

Author(s): L. Anitha, P. Kalpana and G. Sai Bramari

Farmers’ adaptive measures to climate change induced natural shocks through past climate experiences in the Mekong River Delta, Vietnam

April 2016

This study examined farmers’ adaptive measures to climate change induced natural shocks through past climate experiences in the Mekong River Delta (Vietnam) from a data set of 330 farmers. Seemingly unrelated regression model was used to identify the determinants of farmers’ adaptive measures. Results showed that male household head, education of the household head, marital status of the household head,...

Author(s): Thanh Quang Ngo

Effect of different irrigation levels with different qualities of water and organic substrates on cultivation of pepper

April 2016

The amount of water needed to meet the water requirement of crops and use of alternative organic substrates affect the development of the plants’ nutrients. The objective of this research is to evaluate the cultivation of pepper (Capsicum chinense) under different organic substrates and irrigation levels with supply water and wastewater. The experiment was conducted in a greenhouse at Campina Grande,...

Author(s): Viviane Farias Silva, Vera Lúcia Antunes de Lima, Elka Costa Nascimento, Leandro Oliveira de Andrade, Hallyson Oliveira and Aline Costa Ferreira

Clustering analysis of several peanut varieties by pre and post-harvest and biochemistry parameters

April 2016

Peanut (Arachis species) plants originated in South America where they have existed for thousands of years. Successively, peanut culture has been introduced in many African countries and was incorporated into local traditional food cultures. Numerous studies showed peanut nutritive importance and capacity to prevent several human diseases. The target of the present survey aimed to create a germplasm benchmark of peanut...

Author(s): SILUE Souleymane, DIARRASSOUBA Nafan, FOFANA Inza-Jesus, TRAORE Souleymane DAGO Dougba Noel and KOUAKOU Brou

Morpho-biochemical responses to salinity tolerance in common bean (Phaseolus vulgaris L.).

April 2016

The effect of salinity stress during germination, early seedling and vegetative growth on morphological and biochemical traits was evaluated for 18 genotypes of common bean (Phaseolus vulgaris L.) at 0, 60, 120, and 180 mM NaCl. Analysis of variance showed that the salinity stress had significant effect on all traits except shoot to root length and dry weight ratios. Though salinity stress delayed germination in all...

Author(s): Soolmaz Ahmadian and Fereshteh Bayat

The influence of protected kapok seed oil supplementation on in vitro ruminal fermentability and linoleic acid status with Etawah crossbred goat rumen fluid and elephant grass as feed

April 2016

This investigation was conducted to study the effect of protected kapok (Ceiba pentandra) seed oil supplementation upon the in vitro relative proportion of linoleic acid and ruminal fermentation parameters using rumen fluid of Etawah crossbred goat and elephant grass (Pennisetum purpureum) as  feed. Research materials used were elephant grass (EG), kapok seed oil (KSO), lactating Etawah crossbred goat (ECG) rumen...

Author(s): Widiyanto, Suranto, Kusumanti E. and Mulyono

Seasonal challenges and opportunities for smallholder farmers in a mining district of Zambia

March 2016

Zambia’s efforts to diversify from mining to agriculture have seen many interventions aimed at improving the productivity of smallholder farmers. These efforts have produced poor results, as productivity has remained low. This study used 121 semi structured interviews, two focus group discussions and several key informant interviews to investigate smallholder farmers’ challenges over the course of a farming...

Author(s): Bridget Bwalya Umar,

Current banana smallholder farmers’ farming practices and knowledge on plant-parasitic nematodes associated with banana (Musa spp.) in Rusitu Valley, Zimbabwe

March 2016

Plant-parasitic nematodes are economically important pests of banana (Musa spp.) and compromise its productivity. Controlling nematode populations and good agronomic practices are pre-requisites for a good yield. A survey of farmers in the Rusitu Valley, Zimbabwe, was conducted to assess their current banana production practices and knowledge of plant-parasitic nematodes associated with banana. Respondents were selected...

Author(s): James Chitamba, Pepukai Manjeru, Nhamo Mudada, Cleopas Chenai Chinheya and Maxwell Handiseni

Impact of tillage type and soil texture to soil organic carbon storage: The case of Ethiopian smallholder farms

March 2016

Soil organic carbon is a fundamental soil resource base. However, there is limited information on soil organic carbon storage due to influence of tillage type and soil texture under smallholder production systems in Ethiopia. The objective of this study was therefore to quantify soil organic carbon in different soil textures and tillage types; and to the contribution of livestock in improving soil carbon, soil structure...

Author(s): N. A. Minase, M. M. Masafu, A. E. Geda and A. T. Wolde

Effects of traditional practice of soil burning (guie) on soil physical properties at Sheno areas of North Shoa, Oromia Region, Ethiopia

March 2016

The study was conducted in the Kimbibit District, which is located at the North Shoa Zone of Oromia National Regional State, with the objective of investigating the effects of traditional practice of soil burning (guie) on physical properties of soils of the study area. Both disturbed and undisturbed soil samples were collected from farmers’ burned fields and normal fields in three peasant associations. The burned...

Author(s): Kiya Adare Tadesse

Yield performance of East African highland banana hybrids on farmers’ fields under high disease pressure

March 2016

The production of the East African highland cooking banana is constrained by pests, diseases and narrow genetic base amongst others. Research to develop resistant / tolerant genotypes has been on going at Kawanda. 18 promising banana hybrids have been identified. The hybrids were planted on farmers’ fields in Kasangombe Sub-county in central Uganda for evaluation against black Sigatoka and yield. Data were...

Author(s): Erima, R., Ssebuliba, J. M., Nankinga, C. M. K., Ragama, P., Barekye, A. and Tushemereirwe, W.

Yield of maize hybrids: Is there any association among nitrogen rate, Azospirillum inoculation and fungicide treatment?

March 2016

Optimization of land use can be attained by incorporating technologies to crop production, such as the use of diazotrophic bacteria, fertilizers, and pesticides. Seed inoculation with Azospirillum is an alternative that favors the incorporation of green agriculture in regions of conventional farming, such as the Brazilian savannah (Cerrado). However, limited information is available about this bacterium’s...

Author(s): Tâmara Prado de Morais, Césio Humberto de Brito, Afonso Maria Brandão, João Paulo Ribeiro-Oliveira and Wender Santos Rezende

Diversity and seasonal distribution of parasites of Oreochromis niloticus in semi-arid reservoirs (West Africa, Burkina Faso)

March 2016

This study aimed to investigate the diversity, abundance, intensity, and seasonal distribution of parasites of Oreochromis niloticus. A total of 254 specimens of O. niloticus was sampled in Loumbila and Ziga reservoirs in both rainy and dry season and examined for parasites. The total prevalence was 55.90% and the highest seasonal prevalence, abundance and intensity were observed during the rainy season. Recorded...

Author(s): Yamba Sinaré, Magloire Boungou, Adama Ouéda, Awa Gnémé and Gustave B. Kabré

Pruning of Eucalyptus grandis x Eucalyptus urophylla planted at low density in Southeastern Brazil

March 2016

Tree pruning is a silvicultural operation that aims to improve wood quality, but care must be taken regarding the timing and height of the lift to ensure that tree growth is not negatively affected. The objective of this work was to evaluate the effects of different pruning heights on height and diameter growth of Eucalyptus grandis × Eucalyptus urophylla. The experiment was done in a one year old stand which was...

Author(s): Antonio Carlos Ferraz Filho, Leandro Alves de Carvalho, Andressa Ribeiro, Lucas Rezende Gomide and José Roberto Soares Scolforo

Comparative analysis of three different spacing on the performance and yield of late maize cultivation in Etche local government area of Rivers State, Nigeria

March 2016

This study was carried out to compare and analyze how spacing influenced the performance and yield of late maize in Egwi, Etche Local Government Area (LGA) of Rivers State, Nigeria between September-December in 2013 and 2014. The study adopted experimental research design. The experiment was laid out in a randomized complete block design (RCBD) with three replicates. One maize variety was evaluated under three spacing...

Author(s): Ukonze, Juliana Adimonye, Akor, Victor Ojorka and Ndubuaku, Uchenna Marbeln

Utilization of nitrogen (15N) from urea and green manures by rice as affected by nitrogen fertilizer rate

March 2016

The use of green manures (GMs) in combination with nitrogen (N) fertilizer application is a promising practice to improve N fertilizer management in agricultural production systems. The main objective of this study was to evaluate the N use efficiency (NUE) of rice plant, derived from GMs including sunn hemp (Crotalaria juncea L.), millet (Pennisetum glaucum L.) and urea in the greenhouse. The experimental treatments...

Author(s): Freddy Sinencio Contreras Espinal, Edson Cabral da Silva, Takashi Muraoka, Vinícius Ide Franzini, Paulo César Ocheuze Trivelin, Marconi Batista Teixeira and Karuppan Sakadevan

Management of soy supply (Glycine max) and its exploitation in farming crambe (Crambe abyssinica)

March 2016

The experiment was conducted in the 2013/14 season, in an experimental area of the C-Valle, in Palotina Municipal District, Parana State, Brazil. The cultivar used was Monsoy 6210 IPRO. The experimental design was a randomized block with four replications. The treatments consisted of basic fertilization (AB) in soybean sowing, AB + 20% AB + 40% AB + coverage with potassium, AB + 20% + coverage with potassium and AB +...

Author(s): Ricardo Bitencourt, Tiago Roque Benetoli da Silva, Affonso Celso Gonçalves Júnior, Juliana Parisotto Poletine, Claudia Regina Dias Arieira, Carolina Amaral Tavares da Silva, Deonir Secco, Reginaldo Ferreira Santos and Charline Zaratin Alves

Comparative study on cross-compatibility between Camellia sinensis var. sinensis (China type) and C. sinensis var. assamica (Assam type) tea

March 2016

Tea has long been a well-known crop for its economic value and widening the genetic variability of tea family is often necessitated. Hybridization programs at intraspecific level have been greatly fascinated as potential and useful methods in tea plant breeding to widening the genetic diversity. This comparative study was intended to explore a new avenue to develop the tea plant breeding programs through evaluating...

Author(s): H. M. Prathibhani Chamidha Kumarihami, Eun Ui Oh, Atsushi Nesumi and Kwan Jeong Song,

Availability and uptake of P from organic and in organic sources of P in teak (Tectona grandis) using radio tracer technique

March 2016

Pot culture experiments were conducted on two bench mark soil series of Kerala (varying in available P status) at the Radiotracer Laboratory, Kerala Agricultural University, with the objectives of studying the effect of organic and inorganic sources of P on the growth of teak seedlings, uptake of P, percent P derived from fertilizer (% Pdff), P use efficiency (PUE) and A value using 32P. The treatments consisted of...

Author(s): Smitha J. K., Sujatha M. P. and Sureshkumar P.

Physiological quality of habanero pepper (Capisicum chinense) seeds based on development and drying process

March 2016

The objective in this research was to study the physiological and biochemical alterations in habanero pepper during the development and after the natural and controlled drying. The experiments were conducted at Seeds Laboratory and in the experimental area of Agriculture Department at Universidade Federal de Lavras (UFLA). The fruits were harvested in four stages of development, being these E1-49, E2- 56, E3- 63 and E4-...

Author(s): Heloisa Oliveira dos Santos, Sophia Mangussi Franchi Dutra, Rucyan Walace Pereira, Raquel Maria De Oliveira Pires, Édila Vilela De Resende Von Pinho, Sttela Dellyzete Veiga Franco Da Rosa, and Maria Laene Moreira De Carvalho

Carbon dioxide enrichment studies: Current knowledge and trends in plant responses

March 2016

Atmospheric CO2 concentrations are increasing and studies about the impact on plant species’ responses are on the rise. Unfortunately the wide range of variations in the published data is a concern when it comes to usefulness and application. Simple descriptive analyses on the published results are needed to make sense of the overall trends in plant responses to CO2 enrichment. In the present report, 90 articles...

Author(s): Taoufik Saleh Ksiksi

Effects of low nitrogen on chlorophyll content and dry matter accumulation in maiz

March 2016

For photosynthesizing plants, studies on the effect of different levels of Nitrogen on chlorophyll could let us know about the overall physiological status of the plant under different environmental conditions. Objective of our study was to understand if there was any difference among the ten recombinant inbred lines (RILs) of IBM population and their parents B73 and Mo17 for chlorophyll content and dry matter...

Author(s): S. Sen, M. E. Smith and T. Setter

Fagopyrum esculentum Moench: A crop with many purposes in agriculture and human nutrition

March 2016

Buckwheat is a dicotyledonous crop that quickly grow at high altitudes. It presents high tolerance to acidity and ability to grow in poor soil. This study aimed to identify different buckwheat forms of use and benefits in agriculture and human nutrition. It can be used as green manure, being an option as soil cover plant and recycling of nutrients, as well as an alternative grain and forage. At the plant flowering, it...

Author(s): Flávio Marcel Ferreira Gonçalves, Rafael Rostirolla Debiage, Regildo Márcio Gonçalves da Silva, Petrônio Pinheiro Porto, Eidi Yoshihara and Erika Cosendey Toledo de Mello Peixoto

Evolution of methodology for the study of adaptability and stability in cultivated species

March 2016

The GxE interaction only became widely discussed from evolutionary studies and evaluations of the causes of behavioral changes of species cultivated in environments. In the last 60 years, several methodologies for the study of adaptability and stability of genotypes in multiple environments trials were developed in order to assist the breeder's choice regarding which genotypes are more stable and which are the most...

Author(s): Leonardo Castelo Branco Carvalho, Kaesel Jackson Damasceno-Silva, Maurisrael de Moura Rocha and Giancarlo Conde Xavier Oliveira

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