EFFECT OF NUTRIENT MANAGEMENT AND TILLAGE PRACTICES ON YIELD AND BIOLOGICAL PROPERTIES OF SOIL ON GRAM - MAIZE CROPPING SEQUENCESHILVA DHIMAN AND Y.P. DUBEY
Awareness towards soil health and food quality has forced to find out a suitable and ecofriendly nutrient management system of crop production. An experiment was conducted at the farm of Department of Soil Science, CSKHPKV, Palampur during 2013-16 by taking gram-maize cropping sequence. There were three tillage treatments, i.e. conservation tillage, conventional tillage and no tillage; and three nutrient management practices, i.e. organic management, integrated management and RDF management (inorganic). Gram and maize was taken as main crops. The organic management with conventional tillage was found to be significantly superior with rest of the treatment combinations on yield attributes, symbiotic parameters and yield of gram in all the three years. The major constraints to grow gram at Palampur was the attack of root rot disease. The disease incidence was reduced through organic nutrient management with conventional tillage. The yield of maize was better in integrated management in first year and in organic management in second year. The conventional tillage in both the years registered significant impact on yield of maize. All the microbiological properties increased with organic management with conventional tillage.
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