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Doltra, JordiOlesen, J.E.Báezc, DoloresLouroc, AránzazuChirinda, Ngonidzashe[Modeling nitrous oxide emissions from organic and conventional cereal-based cropping systems under different management, soil and climate factors]Modeling nitrous oxide emissions from organic and conventional cereal-based cropping systems under different management, soil and climate factors
Rusinamhodzi, LeonardCorbeels, MarcGiller, Ken E.[Diversity in crop residue management across an intensification gradient in southern Africa: System dynamics and crop productivity]Diversity in crop residue management across an intensification gradient in southern Africa: System dynamics and crop productivity

Water deficit is the main yield-limiting factor across the Asian and African semiarid tropics and a basic consideration when developing crop cultivars for water-limited conditions is to ensure that crop water demand matches season water supply. Conventional breeding has contributed to the develop...


Vadez, VincentKholová, JanaZaman-Allah, M.A.Belko, N.[Water: the most important ‘molecular’ component of water stress tolerance research]Water: the most important ‘molecular’ component of water stress tolerance research

Insect pests are a major cause of crop yield losses around the world and pest management plays a critical role in providing food security and farming income. This study links Nigerian farmers’ perceptions of pest severity to the landscape, agronomic, biophysical, and socio-economic context in whi...


Zhang, WeiKato, EdwardBianchi, Felix J.J.A.Bhandary, PraptiGort, GerritWerf, Wopke van der[Farmers’ perceptions of crop pest severity in Nigeria are associated with landscape, agronomic and socio-economic factors]Farmers’ perceptions of crop pest severity in Nigeria are associated with landscape, agronomic and socio-economic factors

The cowpea breeding programmes are reviewed and achievements at two major centres of cowpea research, i.e. IITA (Nigeria) and IARI (India), are summarized. Earlyand extra early genotypes are always photoperiod-insensitive, medium maturity varieties could be sensitive or neutral today length, whil...


Singh, B.B.Sharma, B.[Restructuring cowpea for higher yield]Restructuring cowpea for higher yield

Agriculture research uses “recommendation domains” to develop and transfer crop management practices adapted to specific contexts. The scale of recommendation domains is large when compared to individual production sites and often encompasses less environmental variation than farmers manage. Farm...


Jiménez, DanielDorado, Hugo AndresCock, James H.Prager, Steven D.Delerce, Sylvain JeanGrillon, AlexandreAndrade Bejarano, MercedesBenavides, HectorJarvis, Andy[From observation to information: data-driven understanding of on farm yield variation]From observation to information: data-driven understanding of on farm yield variation

This study was conducted on Eutric Nitisols of Holeta Agricultural Research Center (HARC) in the humid highlands of Ethiopia. The main objective was to assess the effect of tillage and crop residue management on runoff, soil loss and wheat (Triticum aestivum L.) yield over three years (2009–2011)...


Adimassu, ZenebeAlemu, G.Tamene, L.[Effects of tillage and crop residue management on runoff, soil loss and crop yield in the humid highlands of Ethiopia]Effects of tillage and crop residue management on runoff, soil loss and crop yield in the humid highlands of Ethiopia

The northern Guinea savanna in Africa (NGS) with a season length of 151–180 days and an altitude below 800 m has long been recognized as highly suitable for crop production and animal husbandry. At present, land use intensity and farming as well as livestock systems vary widely across the zone. S...


Weber, G.Smith, J.Manyong, V.[System dynamics and the defintion of research domains for the northern Guinea Savanna of West Africa]System dynamics and the defintion of research domains for the northern Guinea Savanna of West Africa

Interannual variation in rainfall throughout Tamil Nadu has been causing frequent and noticeable land use changes despite the rapid development in groundwater irrigation. Identifying periodically water-stressed areas is the first and crucial step to minimizing negative effects on crop production....


Gumma, Murali K.Kajisa, K.Mohammed, I.A.Whitbread, Anthony M.Nelson, A.Rala, A.Kuppannan, Palanisami[Temporal change in land use by irrigation source in Tamil Nadu and management implications]Temporal change in land use by irrigation source in Tamil Nadu and management implications

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