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Case Studies on Sustainable Soil Health Management Through Application of Organic Amendments in Dolichos Bean Cultivation

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Document pages: 11 pages

Abstract: The experiment was conducted to standardize the quantity of bulky and concentrated organic manures for Dolichos Bean to substitute the inorganic fertilizers. The experiment was laid out in a randomized block design with 14 treatments in 3 replications. The treatment schedule included various levels of bulky (25 and 75 N) and concentrated organic manures (25 and 75 N), inorganic fertilizers along with an absolute control. The bulky organic manures used were FYM and vermicompost and the concentrated manures used were neem cake and groundnut cake. The nutrient content of bulky and concentrated organic manures used in the study were FYM (0.80, 0.41 and 0.74 NPK), vermicompost (1.60, 2.20 and 0.67 NPK), poultry manure (3.47, 1.33 and 3.1 NPK), neem cake (5.2, 1.0 and 1.4 NPK) and castor cake (4.1, 1.9 and 1.4 NPK). Quantity of organic manures required was computed on the basis of nitrogen equivalent to substitute the recommended dose of chemical fertilizer (32:72 kg NP ha-1) in garden bean.Among the organic manures and concentrated oil cakes applied, 75 per cent N supplied through vermicompost @ 2.41 t ha-1 along with 25 per cent N supplied through neem cake @ 0.22 t ha-1 followed by 75 percent N supplied through poultry manure @ 0.61 t ha-1 along with neem cake @ 0.22 t ha-1 were identified.Which recorded the maximum level of soil physico-chemical properties, number of,nutrient uptake ,post harvest nutrient status of soil and yield of Garden bean.

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