Книга: Krishnakumar Srinivasagam,Lalith Kannan Ravi and Dhivya Murali Manokaran «Integrated nutrient management A review»
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Производитель: "LAP Lambert Academic Publishing" In India, there is sufficient availability of organic manures like animal dung manure (791. 6 mt), crop residues (603. 5 mt), green manure (4. 50 m ha), rural compost (148. 3 mt), city compost (12. 2 mt) and biofertilizer (0. 41 mt)and these may become a good substitute of chemical fertilizers to maintain the soil physico-chemical and biological properties. The incorporation of organic manures improves the nutrient content and uptake. Although organic manures contain plant nutrients in small quantities as compared to the fertilizer, the presence of growth promoting principles like enzyme and hormones besides plant materials make them essential for improvement of soil fertility and productivity. For better utilization of resources and to produce crops with less expenditure, INM is the best approach. In this approach all the possible source of plant nutrients are applied based on economic consideration and the balance required for the crop is supplemented with chemical fertilizers. The... ISBN:9783659423239 Издательство: "LAP Lambert Academic Publishing" (2013)
ISBN: 9783659423239 |
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