Influence of poultry manure and NPK fertilizer on yield and yield components of crops under different cropping systems in south west Nigeria

By O. Ayoola, O. Adeniyan. 2006

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Growth and yield of tomato (Lycopersicon esculentum Mill) as influenced by poultry manure and NPK fertilizer (2009, background): “The need to use renewable forms of energy and reduce costs of fertilizing crops has revived the use of organic fertilizers worldwide (Ayoola and Adeniyan, 2006).”
Effect of NaCl on in vitro plant regeneration from embryogenic callus cultures of 'cv IR 64' indica rice ( Oryza sativa L.) (2011, background): “However, the long-term use of mineral fertilizers, particularly high rates of nitrogen fertilizers, may be harmful, as it leads to increased gaseous nitrogen losses, deteriorating physical, chemical and biological properties of the soil and, eventually, reduce safety of the plant products obtained (”
Soil fertility restoration techniques in sub-Saharan Africa using organic resources (2009, background): “According to Ayoola and Adeniyan (2006), the bush fallow system has been in use as a soil fertility management practice in the tropics; but this has also become unsustainable due to high population pressure on cropland resources for other human activities.”
Growth and yield of cucumber (Cucumis sativus L.) as influenced by farmyard manure and inorganic fertilizer (2010, background): “The need for renewable forms of energy and reduced cost of fertilizing crops, have revived the use of organic manures worldwide (Ayoola and Adeniran, 2006).”