African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6200

AJAR Articles

November 2018

Organic matter and maize straw influence on soil moisture in an Oxisol under different tillages

Cultivation system is one of the main parameters inherent to soil water dynamics. Studies indicate that in soil conservation systems, such as no-tillage and crop-livestock integration, soil quality is maintained and even improved due to higher input of organic matter and straw kept on the soil surface. Thereby, the aim of this study was to analyze the influence of the spatial variation of maize straw and organic matter...

Author(s): Claudinei Martins Guimarães, Carlos Alexandre Gomes Costa, Raimundo Rodrigues Gomes Filho, Warlles Domingos Xavier, Francisco Cássio Gomes Alvino, Policarpo Aguiar da Silva, Igor Leonardo Nascimento Santos, and Silvio Carlos Ribeiro Vieira Lima  

November 2018

Influence of cytoplasmic genetic male sterility in the grain yield of maize hybrids

One of the main barriers to the production of hybrid maize seeds consists of needing detasseling of female parent in order to avoid contamination with unwanted pollen. This activity is a laborious practice, which makes the production more expensive and promotes productive losses. Thus, the use of cytoplasmic genetic male sterility can facilitate the hybridization process, and consequently, the production of hybrid...

Author(s): Luiz Augusto Rodrigues, Renzo Garcia Von Pinho, Luiz Antonio Yanes Bernardo Júnior, Vander Fillipe de Souza, Francielly de Cássia Pereira, André Humberto de Brito and Edmir Marques Faria Filho  

November 2018

Groundwater quality monitoring for agriculture irrigated in Catolé Do Rocha, Paraíba State, Brazil

The electrical conductivity and of cations (Ca2+, Mg2+, Na+ and K+) and anions (Cl-, CO32-, HCO3- and SO42) contents of the water an Amazon well, from State University of Paraíba, Catolé do Rocha city, Paraíba State, Brazil, located in the semi-arid region of the Brazilian High Sertão were evaluated monthly from January to December of year 2017. Despite the increase in electrical conductivity...

Author(s): Evandro Franklin Mesquita, Lourival Ferreira Cavalcante, Francisco Thiago Coelho Bezerra, Jackson Mesquita Alves, José Thyago Aires Souza, Caio Silva Sousa, Antonio Gustavo Luna Souto and Danila Araújo de Lima  

November 2018

Performance and farmers selection criteria Evaluation of Improved Bread Wheat Varieties

Bread wheat is one of the most important cereal crops of the world and a staple food for about one third of the world’s population and is a major cereal crop in Ethiopia. One of the major challenges in improving food security is to develop varieties that are adapted to specific environment and farmers’ needs. Field trials were conducted at two locations, Hitosa (Sero-Anketo kebele) and Limu Bilbilo...

Author(s): Astawus Esatu Seifu, Firew Mekibib and Tadesse Dessalegn.  

November 2018

Competitiveness of Brazilian soybean exports

The objective of this article was to analyze the indicators of competitiveness in the foreign trade of Brazilian soybean from the year 2004 to 2014. The problem under study deals with the competitiveness of this commodity in the international market. The applied methodology initially used the descriptive statistics, seeking to demonstrate through tables and graphs the evolution of the soybean exports in the...

Author(s): Maristela Franchetti de Paula, Humberto Angelo, Anadalvo Juazeiro Santos, Alexandre Nascimento de Almeida, Pedro Guilherme de Andrade Vasconcelos, Ari Schwans, Eder Pereira Miguel and Ademir Juracy Fanfa Ribas  

November 2018

Factors affecting adoption of sustainable soil management practices among vegetable producers in Dhading, Nepal

A research was conducted using primary data for the year 2012 obtained from randomly selected 120 vegetable farmers using pre-tested semi-structured interview schedule. Nalang and Salang VDCs of Dhading district in Nepal were purposively selected for the study. Different variables were fed to probit regression model to identify and quantify the major factors affecting the adoption of sustainable soil management...

Author(s): Ghimire Binod, Dhakal Shiva Chandra, Sharma Sujeeta and Poudel Sujit  

November 2018

Seed-priming of sorghum with antifungal extracts from Balanites aegyptiaca and Eclipta alba in different agro-ecological zones of Burkina Faso

Seed-priming of sorghum with an aqueous extract from the herbal plant, Eclipta alba has previously been found to increase crop yield of sorghum in Burkina Faso dependent on field location. In the present study, a 2.5% w/v antifungal extract from the desert tree, Balanites aegyptiaca, was similarly shown to increase the yield of sorghum by seed treatment. The effect was compared to the effect of E. alba extract on...

Author(s): P. E. Zida, B. J. Néya, R. W. Soalla, P. Sérémé and O. S. Lund  

November 2018

Estimating of rainfall soil losses in Oltu Anzav Watershed

Erosion is a key factor for sustainability of land management. This study aimed to determine the spatial distribution of estimated total soil loss amount and erosion severity in the Oltu Anzav Watershed located in the East of Anatolia, Turkey. This study was conducted by using Geographical Information Systems (GIS) based on Revised Universal Soil Loss Equation (RUSLE) method. Topsoil samples (0-30 cm) were collected in...

Author(s): Metin Demir, Adnan Bilgili and Turgay Dindaroğlu  

November 2018

Farmers’ perceptions, practices and proposals for improving agricultural productivity in South Sudan

This study was carried out to establish farmers’ perceptions regarding low agricultural productivity and to document their ideas for improving the performance of agriculture sector in South Sudan. The results reveal that the major challenges related to low agricultural productivity as perceived by farmers include poor leveling of fields, poor irrigation management, low water availability, loss of land due to...

Author(s): Asad Sarwar Qureshi, Adam Juma Abdallah and Lona Aggrey Tombe  

October 2018

Determinants of rice farmers’ access to credit in Benin: A case study of the municipality of Glazoue

This study aims to identify the factors that limit the accessibility of rice farmers to credit in Benin. Data were collected from 120 randomly selected rice households in the municipality of Glazoue. The logit dichotomous model was used to analyze the data and various statistics were produced for this purpose using the Stata 13 software. The results of prediction model show that the model has a high predictive power and...

Author(s): Odountan Ambaliou Olounlade, Li Gu-Cheng, Koffi Moïse Bienvenu Sodjinou and Lacina Traoré  

October 2018

Productivity of pigeon pea and maize rotation system in Balaka District, Southern Malawi

In Malawi, some parts of the country, such as Balaka District in Southern Malawi, are particularly prone to erratic rains with poor soil productivity. In the 2015/2016 rainy season some learning centres (LCs) focusing on pigeon-pea (Cajanus cajan) – maize (Zea mays L) rotations were established in four sections of Ulongwe Agriculture Extension Planning Area (EPA) in Balaka District to enhance  soil fertility,...

Author(s): V. H. Kabambe, A. R. Ngwira, J. B. Aune, B. K. Sitaula and T Chilongo

October 2018

Productivity and profitability on groundnut (Arachis hypogaea L) and maize (Zea mays L) in a semi-arid area of southern Malawi

In many parts of Malawi, including Balaka district in Southern Malawi, are prone to erratic rains with poor soil productivity and famer practices. A research and outreach project was initiated in October 2015 to establish learning centres (LCs) of groundnut: maize rotations as an entry point to diversify nutrition and income base of smallholder farmers, while building up on soil fertility for increased resilience to...

Author(s): Vernon H. Kabambe, Amos R. Ngwira, Jens B. Aune, Bishal K. Sitaula and Thabbie Chilongo  

October 2018

The influence of essential amino acid in the chick’s diet interferes in the weight gain

One of the attributes of amino acid lysine is to manufacture muscle protein, as it is a physiologically essential amino acid for immunity, development and production in birds. This study evaluates the influence of several levels of the essential amino acid lysine for chicks, with age of about 504 hours, maintained at a temperature of approximately 29 degrees Celsius. The basal diet contained 21.0% crude protein and...

Author(s): Aurelio Ferreira Borges and Maria dos Anjos Cunha Silva Borges  

October 2018

Caffeic acid as a preservative that extends shelf-life and maintains fruit quality of mulberries during cold storage

Fruits can be easily infected and damaged by microbes. Cold storage is a popular approach used to extend the shelf-life of fruits. In this paper, the effect of caffeic acid on physiological parameters and shelf-life of mulberries (Morus alba L.) stored for 21 days at 4°C was evaluated. The results showed that the shelf-life was significantly improved in the mulberries treated with the different concentrations of...

Author(s): Jian Zhang, Lei Kang, Lili Liu, Dandan Wang, Yan Xu, Sheng Sheng, Jun Wang, Fuan Wu, and Weiguo Zhao,  

October 2018

Impacts of food production, consumption fluctuations and marketing on food prices volatility in the Sudan: Evidences from Gadarif State

This study aimed to investigate the impacts of fluctuations in agricultural production, consumption and marketing bottlenecks on main food prices in Gadarif State, east of Sudan in the period of 1996 to 2011. On the supply side, an adjusted Nerlovian model of supply response was used to calculate elasticities of prices of selected agricultural products. On the consumption side, the distribution of the agricultural...

Author(s): Sharif Ismail M. Bongo  

October 2018

Economics of aflatoxin control in maize production among smallholder farmers in Oyo State, Nigeria

In Africa, the prevalence of aflatoxin contamination in agricultural production places the stability of food security at risk. This study investigated the socio-economic characteristics of farmers; assessed the prevalence of aflatoxin in maize production; identified the aflatoxin control practices used; and estimated the net returns to users and non-users of the control practices. A multistage sampling procedure was...

Author(s): Ladoye, O. A., Bamire, A. S. and Afolayan A. F.  

October 2018

Sensitivity stability and fitness of Botrytis cinerea isolates to captan

The present study investigated the sensitivity and stability of Botrytis cinerea isolates collected from vineyards to captan. To determine the stability of sensitivity to captan, B. cinerea isolates on fungicide-free potato dextrose agar (PDA) was evaluated after 15 culture cycles. In some isolates with reduced sensitivity to captan, EC50 value of the isolates did not change compared to that of isolates that were...

Author(s): Nagehan Desen Köycü  

October 2018

Technical and water use efficiency estimation of adopters and non-adopters of pressurized irrigation systems among hazelnut farmers

Water demand is continuously increasing worldwide parallel with the growing population. Because agriculture is considered as a significant water consumption sector, water demand in this sector may be reduced by improving water use efficiency to make farming more irrigated and sustainable. This study was planned to estimate the technical and water use efficiency of hazelnut growers in Carsamba district of Samsun, Turkey....

Author(s): Ismet Boz, Shamsheer Ul Haq, Cagatay Yildirim, Hatice Turkten and Pomi Shahbaz  

October 2018

Intra- and inter-specific interference between slender amaranth and red pepper

Competition interferes with the growth and development of plants, whether of the same species or not. The aim of this work is to evaluate the intra-specific interference of slender amaranth plants (Amaranthus viridis) at different densities and distances, and in an inter-specific interaction with red pepper (Capsicum baccatum var. pendulum). The experiment was conducted in four replications and in a randomized complete...

Author(s): Orzari, I., Barbasso, M. F., Silva, B. V. R., Braga, Isa M. R. F., & Alves, P. L. da C. A.

October 2018

Statistical analysis of impact of climate change on crop potentials productivity on a regional scale in Nigeria

Yield improvement is the main aim of all agricultural activities. Therefore, it is important to have an idea about the yield that can be produced from a piece of land before investing in it. This work is aimed at analysing the impact of climate change on crop yield potential and predicting the crop yield potential in six geo political zones in Nigeria using global solar radiation as the only limiting factor of...

Author(s): K. O. Rauff and A.A. Ismail  

October 2018

Use of artificial neural networks to assess yield projection and average production of eucalyptus stands

Eucalyptus stands growth depends on genotype, age, quality of the local soil and silvicultural treatment. Environmental factors, mainly the water availability to plants throughout the years, temperature and solar radiation are relevant to production capacity. The models used in Brazil to stimulate the future production of forestry stands are those that estimate growth and/or production according to age, basal area and...

Author(s): Aline Edwiges Mazon de Alcântra, Ana Carolina de Albuquerque Santos, Mayra Luiza Marques da Silva, Daniel Henrique Breda Binoti, Carlos Pedro Boechat Soares, José Marinaldo Gleriani and Helio Garcia Leite  

October 2018

Does zinc uptake relate well with differential zinc efficiency of barley genotypes?

To some extent, differential zinc (Zn) efficiency of cereals, particularly differences between species may be attributed to phytosiderophores (PSs) release and inorganic Zn (Zn2+) uptake; however, the discrepancies within a given species are still under discussion. Moreover, studies on the explanations of differential Zn efficiencies of barleys are limited. That is why using two barley (Hordeum vulgare L.) cultivars...

Author(s): Emin Bülent ERENOĞLU  

October 2018

Effect of Anacardium occidentale, Ricinus communis and Spirulina sp. on the diets of broiler chickens

The use of antibiotics as a growth promoter was banned because of residues that are left in animal products. Alternatives to antibiotics that promote animal growth and health without leaving residues in food are being sought. An experiment was conducted to evaluate the effects of a commercial mixture of functional oils and algae (FOA) on growth and gut morphology in broiler chickens. A total of 224 one day-old Cobb male...

Author(s): Patricia Rossi, Lilian Kelly Pereira, Sabrina Endo Takahashi, Paulo Segatto Cella, Patricia Franchi Freitas, Jackeline Dall Agnol de Lima, Pedro Valério Dutra de Moraes and Guilherme Cesar Trindade de Freitas  

October 2018

Length of the growing season for dry rainfed farming under Monsoon climate in Gedarif, Sudan

Reliable information on the starting and ending of growing season as well as its length will greatly assist in appropriate planning for rainfed agriculture farming practices. The objective of this study is to determine the start, end and length of growing season, based on dependable rainfall during wet (20%), normal (50%) and dry (80%) years, which were retrieved from historical rainfall records analysis of seven...

Author(s): Lotfie A. Yousif, Abdelrahman A. Khatir, Faisal M. El-Hag, Ahmed M. Abdelkarim, Hussain S. Adam, Abdelhadi A. W., Yasunori Kurosaki and Imad-eldin A. Ali-Babiker,  

October 2018

Agronomic efficiency, yield and yield components of food barley response to nitrogen rates after fababean in Emba Alaje, Northern Ethiopia

 This study was initiated to investigate the effect of nitrogen fertilizer on agronomic efficiency, yield and yield components of barley after faba bean precursor crop.  A field experiment was carried out in 2015 main cropping season at district at Ayba and Tek’a kebeles in Tigray Regional State, Ethiopia. The experiments were arranged in a randomized complete block design with three replications....

Author(s): Sofonyas Dargie, Bereket Haileselassie, Mehretab Haileselassie, Fisseha Hadgu, Hagos Birhane Molla Hadis and Medhn Berhane  

October 2018

Water and soil conservation techniques and food security in the northern region of Burkina Faso

Food insecurity is a major challenge facing the rapidly growing population in the sub-Saharan Africa and it is a common feature in the northern region of Burkina Faso. The focus of this study was to investigate the prevalence of food insecurity in the northern region of Burkina Faso after many years of implementation of water and soil conservation techniques. A survey was carried out in six villages in the Northern...

Author(s): Sita Sanou, Augustine Ayantunde and Aimé Joseph Nianogo  

October 2018

Strategic planning of regional oil-and-fat subcomplex of Russia

The purpose of the work is to analyze the trends in the development of the oil-and-fat subcomplex as one of the most important components of the agribusiness of the Russian Federation, and state policy in the strategic planning in this sphere. The materials of the United States Department of Agriculture, the State Statistics Service and the Ministry of Agriculture of the Russian Federation served as the information...

Author(s): Mikhail O. Sinegovsky and Anastasia A. Malashonok  

October 2018

Evaluation of diazotrophic bacteria from rice varieties (Oryza sativa L.) grown in Rio de Janeiro State, Brazil

The indiscriminate application of nitrogen fertilizer in order to increase rice crop productivity contributes to environmental degradation. One of the possible alternatives to ease up this problem is the use of sustainable and cost-effective technologies such as biofertilizers to promote plant growth. This work aimed to isolate, characterize and select diazotrophic bacteria associated with rice cultivars EPAGRI-109 and...

Author(s): Esdras da Silva, Mayan Blanc Amaral, Katia Regina dos Santos Teixeira and Vera Lucia Divan Baldani  

October 2018

Agricultural productivity, land use and draught animal power formula derived from mixed crop-livestock systems in Southwestern Ethiopia

The interaction of agricultural land cover area between land use systems and level of household income was identified. The annual cropland area was significantly higher than the natural pastureland and perennial cropland. The difference in household income earned was not significant between the annual crop and livestock. Such a difference however is not surprising because smallholder land system is a dual asset, and...

Author(s): Asrat Guja Amejo, Yoseph Mekasha Gebere, Habtemariam Kassa and Tamado Tana  

October 2018

Launching a Startup Business in the Agribusiness Market: The Process of becoming a Successful Entrepreneur

Last December 2017, Prof. Marisa del Pozo Lite (Complutense University of Madrid) was invited to give a session as member of the International Advisory Board of CEIBS-Africa to a group of 40 African Business Women in the Agribusiness Market – as part of the Alumni Reunion Agenda of CEIBS-Africa Program held at Harvard University in 2017. Getting a venture underway in the agribusiness market is often easier...

Author(s): Maria Luisa del Pozo Lite

October 2018

Effect of soil compaction on aerial and root growth of Erythrina velutina Willd.

Compaction can be a triggering factor for a process of soil degradation and formation of degraded areas. Understanding plant development in soils compacted is of fundamental importance, since they allow to identify species able to resist the limiting condition of the compaction, being able to be indicated to recover degraded areas that have compacted soils as limiting factor. The objective of this study was to evaluate...

Author(s): Luan Henrique Barbosa de Araújo, Gualter Guenter Costa da Silva, Camila Costa da Nóbrega and Ermelinda Maria Mota Oliveira  

October 2018

Application of cow manure and inorganic fertilizer in one season and carryover of effects in sesame on tropical ferruginous soils

The aim of this research was to find whether Sesamum radiatum growth requires cow manure and nitrogen-phosphorus-potassium (NPK) fertilizers. We examined the survey vegetable over two growing seasons on ferruginous soil: from June to December in 2009 (Season 1) and 2010 (Season 2). We used cow manure (0, 20, 30 and 40 t.ha-1) and NPK 10:10:20 (0, 50, 100 and 150 kg.ha-1) during season 1 and no amendments during season 2...

Author(s): D. R. A. Sanya, and  L. G. Amadji,  

October 2018

Impact of companion cropping on incidence and severity of maize ear rots and mycotoxins in Western Kenya

Mycotoxins are harmful to health and mainly arise from ear rots, affecting maize in the field. This work analysed the effect of the cropping system on ear rot and final effect on mycotoxins from four sub-counties (districts) of western Kenya, Butere, Kisumu, Siaya and Vihiga, where plots comprising maize planted either as pure stand or in mixture with legumes, predominantly common bean treated as “Maize...

Author(s): Maxwell J. Owuor, , Charles A. O. Midega, Meshack Obonyo and Zeyaur R. Khan  

October 2018

Control of broadleave and grass weeds in Saccharum officinarum with the use of pre-emergence herbicides

In order to identify combinations of effective preemergent herbicides for weeds in sugarcane, an experiment was conducted at the Agricultural School of Concepción; Concepción, Paraguay. The experimental model was subdivided plots, with two factors: A1 without herbicide for broadleaf weeds, A2 diuron (dose 3 t ha-1), A3 atrazine (dose 4 kg ha-1), A4 sulfentrazone (dose 1.2 t ha-1) and B1 without herbicide...

Author(s): Amilcar Isidro Servín Niz, Carlos Alberto Mongelós Barrios, Modesto Osmar Da Silva Oviedo, Miguel Angel Florentín Rolón, Oscar Luis Caballero Casuriaga, Florencio David Valdez Ocampo and Javier Ismael Benítez Vergara  

October 2018

Distribution of rainwater by species of caatinga vegetation

This study aimed to estimate the redistribution of rainfall in a Caatinga vegetation fragment of about 50 years in fallow system, in late stage of regeneration. To quantify the throughfall, rainfall collectors were installed in six individuals of the species Croton blanchetianus, Mimosa tenuiflora, Cnidoscolus quercifolius, Aspidosperma pyrifolium and Poincianella bracteosa, totaling 30 rainfall collectors. For the...

Author(s): Ane Cristine Fortes da Silva, Jacob Silva Souto, José Augusto da Silva Santana, Patricia Carneiro Souto and José Adeilson Medeiros do Nascimento  

October 2018

Comparison of Grafting Techniques and their Effects on some Growth Parameters of Ten Elite Cocoa Clones (Theobroma cacao L.)

Cocoa productivity in Côte d’Ivoire has been on a downward trend for the last decades due to many factors key among them being the non-availability of quality planting materials. However, some elite clones developed in the country are available and need to be adopted by farmers. This study was conducted in Soubré, Côte d’Ivoire to evaluate the grafting techniques (top grafting and budding)...

Author(s): Kouassi Koffi Daouda, N’Zi Jean-Claude, Kahia Jane, Diby Lucien, Kouassi Jean-Luc, Bene Kouadio and Kouamé Christophe  

October 2018

Gas exchange and chlorophyll content in tomato grown under different organic fertilizers and biofertilizer doses

The correct management of organic fertilization has been shown as an extremely viable alternative in the production of vegetables, providing high yields concomitant to the reduction of synthetic fertilizers. The improvement of the production can be interpreted by the physiological behavior, favored by the organic fertilization with the supply of nutrients. Thus, an experiment was carried out to evaluate the gas exchange...

Author(s): Jackson de Mesquita Alves, Alex Serafim de Lima, Evandro Franklin de Mesquita, Sebastião de Oliveira Maia Júnior, Rosinaldo de Sousa Ferreira, Francisca Lacerda da Silva and Jessica da Mota Santos  

October 2018

Mechanical harvest methods efficiency and its impacts on quality of narrow row cotton

The large scale cultivation of cotton in the Cerrado areas was made possible by large investments in technology, particularly in mechanized harvesting, which makes the business viable. However, the use of harvesters causes qualitative and quantitative losses to the final product, reducing the profitability of production. This study aimed to evaluate the fiber characteristics of narrow row cotton using harvesting Pro-12...

Author(s): Nayra Fernandes Aguero, Renildo Luiz Mion, Cíntia Michele Baraviera, Myllena Teixeira Martins, William Lima Crisostomo and Carlos Alberto Viliotti  

October 2018

Nutritive value and degradability “in situ” of dry matter elephant grass silages with addition of babassu meal

The goal of this study was to evaluate the nutritive value and the in situ degradability of elephant grass (Pennisetum purpureum Schum) silages with addition of babassu meal (BaM). PVC silos with 0.25 m in diameter and 0.75 m in height were used. It was done by adopting a compression of 550 kg/m3 in a completely randomized design with five repetitions. It was found that increasing linear effect (P< 0.05) on the...

Author(s): Ricardo Alves de Araújo, Rosane Cláudia Rodrigues, Clésio dos Santos Costa, Francisco Naysson Sousa Santos, Carlos Magno Lima Galvão, Francivaldo Oliveira Costa, Ivone Rodrigues da Silva and Sanayra da Silva Mendes    

October 2018

A review of the evaluation of irrigation practice in Nigeria: Past, present and future prospects

Irrigation practice across the world is vital to successful green revolution all year round to achieving sustainable development goals in food security, socio-economic and rural development. However, irrigation practice in Nigeria has not achieved the set goals despite the huge investment involved. Moreover, the level of investment and abundant water resources ought to have expedited the goals of food self-sufficiency...

Author(s): Bashir Adelodun and Kyung-Sook Choi  

October 2018

Corynespora leaf fall of Hevea brasilensis: Challenges and prospect

Hevea brasiliensis is the major source of natural rubber. Natural rubber being a unique biopolymer of strategic importance needs to be continuously well managed and protected against biotic damages. Many rubber producing countries include South East Asia, Africa and Latin America among others. Corynespora leaf fall caused by Corynespora cassiicola is currently considered as the most destructive leaf disease of Hevea...

Author(s): Umoh Florence and Fashoranti Ebenezer L.  

October 2018

Occurrence of plant bacterial diseases in Jordan

Different studies were done in order to investigate the occurrence of bacterial diseases on different crops grown in Jordan during different growing seasons. Surveys were made and different bacterial diseases have been recorded based on symptoms and pathogenic nature. Morphological characters, biochemical tests and PCR detections were employed in order to detect and identify the causal agents of different inspected...

Author(s): Hamed Khlaif, Ibtihal Abu-Obeid and Bilal Werikat

October 2018

Management of Dinoderus porcellus L. (Coleoptera: Bostrichidae) infesting yam chips using varietal resistance and botanical powders of three medicinal plants

In Benin, stored yam chips are severely attacked by Dinoderus porcellus Lesne which causes important losses. The use of medicinal plants combined with the insect-resistant yam chips can be an efficient alternative of chemical insecticides for yam chips protection. This study aims to evaluate an integrated pest management of D. porcellus using combined effects of resistant yam chips (Boniwouré, Gaboubaba,...

Author(s): Loko Yêyinou Laura Estelle, Gnaho Annick Christelle, Toffa Joelle, Orobiyi Azize, Dansi Alexandre and Tamò Manuele  

October 2018

The Production and prediction of major chinese agricultural fruits using an econometric analysis and machine learning technique

This paper investigates and explores the relationship between agricultural gross domestic product (AGDP) and major fruit output: apple, citrus, pears, grapes and bananas in China. The ordinary least square (OLS) method and the augmented Dickey-Fuller (ADF) test were used to analyze the data, and the Johansen co-integration test was used to interpret the results. The machine learning technique was used to examine and to...

Author(s): Abdul Rehman, Zhang Deyuan and Luan Jingdong  

October 2018

Prevalence, cultural and pathogenic characterization of Zymoseptoria tritici, agent of wheat septoria leaf blotch, in Algeria

Wheat is the 2nd most important culture in the world.  Septoria leaf blotch is one of the most important wheat diseases. It is caused by Mycosphaerella graminicola (an: Zymoseptoria tritici). The aim of this study is to evaluate the presence and the importance of this disease in Algeria. A collection of 625 isolates was made through the years (2010, 2011, and 2013). Isolates were collected from the Algerian zones...

Author(s): Wahiba HARRAT, and Zouaoui BOUZNAD  

October 2018

Sandy soil fertility restoration and crops yields after conversion of long term Acacia senegal planted fallows in North Cameroon

Tree planted fallow is an agroforestry system that may restore degraded soils and protect them from erosion. In this study, sandy soils properties of Acacia senegal planted fallows (AF) were assessed and compared to those from the continuous cropped system (CC) in 3 sites from Northern Cameroon in order to determine its suitability to restore soil fertility and sustain crop productivity. Soil samples were collected from...

Author(s): Simon Djakba Basga, Oumarou Palou Madi, Jules Balna, Fanta Chimène Abib, Désiré Tsozué and Aboubakar Njiemoun  

October 2018

Effects of different seed treatments, provenance and size on germination and early establishment of Olea europaea

Knowledge and understanding of the factors affecting germination and growth of tree species is of paramount importance for enhancing the efforts towards afforestation. Hence, the prime objective of this study is to evaluate the effects of seed treatment methods, provenance and size on germination and early nursery performance of Olea europaea. The experiment was arranged in a factorial combination and laid out in...

Author(s): Abebe Bezu Bedada, Tadesse Amsalu and Belayneh Ayele    

October 2018

Pasture quality of Panicum maximum cv. Tanzania subjected to different rest periods for milk production

The objective of this study was to evaluate the effect of two defoliation intervals on the morphological characteristics of the experimental group. Chemical composition characteristics of a Tanzania grass pasture (Panicum maximum) and the performance of crossbred cows on intermittent grazing were examined. The digestibility of the dry matter, the digestibility of the organic matter fibrous, the voluntary dry matter...

Author(s): Alberto Chambela Neto, José Fernando Coelho da Silva, Bruno Borges Deminicis, Ismail Ramalho Haddade, Gustavo Haddad Souza Vieira, Leonardo Barros Dobbss and Thiago Lopes Rosado  

October 2018

Coffee growers’ local knowledge on shade tree species in Adola Rede District, Guji Zone, Southern Ethiopia

Farmers have a detailed local knowledge about different tree species which are either retained or planted on their farms. Thus, it is possible to learn from farmers’ observations to enhance understanding of local agro-ecological knowledge. This study aimed to investigate coffee growers’ local knowledge on shade tree species. The study was conducted at Adola Rede District, in Guji Zone, Southern Ethiopia. To...

Author(s): Aschalew Emire and Zebene Asfaw  

September 2018

Impact of shade on morpho-physiological characteristics of coffee plants, their pests and diseases: A review

Traditionally, coffee plant has been considered as a shade demanding species and intolerant of direct sunlight, although it performs well without shade. Still controversy result and recommendation have been reported among investigators in the optimal shading level for coffee growth. This controversy will probably continue endlessly until the effects of shade up on the performance of morphology and physiology of the...

Author(s): Biruk Ayalew  

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