African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6559

Table of Content: 21 January 2016; 11(3)

January 2016

Infection, colonization and growth-promoting effects of tea plant (Camellia sinensis L.) by the endophytic bacterium Herbaspirillum sp. WT00C

The endophytic Herbaspirillum sp. WT00C, isolated from tea plant, seems to have a potential ability to promote tea-plant rooting and budding due to its capability of producing indole-3-acetic acid (IAA), ammonia and siderophores. Thus, the present study was aimed to verify whether this bacterium could be used for tea cultivation as an environment-friendly bioaccelerator. To evaluate its potential use in promoting...

Author(s): Guiting Zhan, Wei Cheng, Weilin Liu, Yadong Li, Kunming Ding, Huifu Rao, Wenhua Wu and Xingguo Wang

January 2016

Evolution and impacts of groundnut research and development in Malawi: An ex-post analysis

Groundnut is currently the second income earner for smallholder farmers in Malawi, and an inexpensive source of balanced protein. Owing to the continued crop improvement research and extension efforts, production has risen by more than 15 times in the past two decades. Despite the dramatic growth, no impact assessment has ever been conducted to date. This study aims to assess the economic impacts of investments in...

Author(s): Takuji W. Tsusaka, Harry W. Msere, Moses Siambi, Kizito Mazvimavi and Patrick Okori

January 2016

Study of an electromechanical system for solid fertilizer variable rate planting

The work aimed to study the behavior of a prototype planted simultaneously three times with solid fertilizers, nitrogen, phosphorus and potassium, of variable rates and desired quantities. For the evaluation of the prototype, a test bench was built where helical doses and their respective direct current electric motors; three tanks for storage of fertilizers were used. Also used were: A source (12 V-DC), three power...

Author(s): Joao Roberto Sartori Moreno, Conrado Di Raimo, Romeu Rony da Costa Cavalcanti, Marcio Aurelio Montezuma and Edson Antonio Capello de Souza

January 2016

Tomato (Solanum lycopersicum) hybrid Hermosa indeterminate study of yield and fruit quality under greenhouse conditions responding at organic manure application

The organics alternatives in the vegetables production are a strategy to produce free chemical polluted foods that endanger human health. In the present study, the Hermosa indeterminate tomato variety was used and the following treatments were evaluated in a completely randomized design: Compost 2 tons/ha + VAM and BAC + Compost tea 50% (Treatment 1), Compost 4 tons/ha + VAM and BAC + Compost tea 50% (Treatment 2),...

Author(s): Pedro V. Vázquez, Manuel E. Morales Rubio and Merle C. Navarro Cortez

January 2016

Agricultural extension for enhancing productivity and poverty alleviation in small scale irrigation agriculture for sustainable development in Ethiopia

The combination of agricultural extension system with small scale irrigation development helps to reduce poverty, and now utmost attention is given to it. Extension system development can increases the production and income of the households and helps to improve their overall economic welfare. This study was conducted to assess the strengths and constraints of the public extension system and to provide suggestions on...

Author(s): Aklilu Nigussie, Abiy Adisu, Kidane Desalegn and Arkebe Gebreegziabher

January 2016

Treatment of sewage sludge with the use of solarization and sanitizing products for agricultural purposes

Recycling of sewage sludge for agricultural purposes is recommended as one of the most adequate forms of final disposal of this waste. This study evaluated the effectiveness of solarization combined with chemical treatments by acid and alkali during different periods of cleaning. The experiment was conducted at the Experimental Farm of the Federal University of Uberlândia (UFU) in Uberlândia-MG. The...

Author(s): Amilton Alves Filho, Reginaldo de Camargo, Regina Maria Quintão Lana, Márcia Regina Batistela Moraes, Alírio Coromoto Daboin Maldonado and Roberto Terumi Atarasi

January 2016

Correlation of viral load with lesion severity in field pigs affected with porcine circovirus type 2

Porcine circovirus type 2 (PCV2) is an important infection factor causing post weaning multisystemic wasting syndrome (PMWS). The amount of PCV2 viral load may mainly give rise to clinical symptom and pathological lesion of PMWS. In order to investigate the relationship between PCV2 viral load and the lesion severity of lymph tissues, and search further for some clues of pathologic diagnosis of PMWS, thirty pig cases...

Author(s): Yong Li, Kenji Kawashima and Ken Katsuda

January 2016

Nitrogen metabolism in sorghum under salinity and silicon treatments in Brazil

The objective of the present research was to study nitrogen metabolism in sorghum plants subjected to salt stress and silicon concentration. The experiment was conducted at the Amazon Federal Rural University, Capitão Poço Decentralized Unit for 1 month, in 2013, using the cultivar BR 700 of forage sorghum plants (Sorghum bicolor [Moench.]). The experimental design was completely randomized, in a 5 ×...

Author(s): Luma Castro de Souza, Ellen Gleyce da Silva Lima, Risely Ferraz de Almeida, Myriam Galvão Neves, Glauco Andre dos Santos Nogueira, Cândido Ferreira de Oliveira Neto, Andresa Soares da Costa, Liliane Corrêa Machado, Silvia Mara Coelho do Nascimento, and Ana Ecídia de Araújo Brito

January 2016

Quality index method (QIM) and quantitative descriptive analysis (QDA) of Nile tilapia (Oreochromis niloticus) quality indices

The aim of this study was to develop specific criteria for evaluating freshness in farmed Nile tilapia (Oreochromis niloticus), eviscerated and stored on ice, by employing sensorial, physicochemical and bacteriological analyses. Sensorial analyses were composed of quantitative descriptive analysis (QDA) for cooked fish and quality index method (QIM) for raw fish evaluation in samples stored for 22 days. Psychrotrophic...

Author(s): Tatiana Pacheco Rodrigues, Eliane Teixeira Mársico, Robson Maia Franco, Sílvia Conceição Reis Pereira Mello, Ivone Costa Soares, Natália Oliveira Cavalcanti Zúniga and Mônica Queiroz de Freitas