Soil is an most important resource of nature's gift which plays a key role for agriculture, food and nutritional security, environmental safety and also maintain the social life. Organic agriculture is an integrated farming system that strives for sustainability, the enhancement of soil fertility and biological diversity whilst, with rare exceptions, prohibiting synthetic pesticides, antibiotics, synthetic fertilizers, genetically modified organisms, and growth hormones. Organic methods of production can sustain soil fertility and increase crop yields. In this book the author show the apllication of organic fertilizers to increase the cowpea yield and maintain soil fertility.
