Abstract
Effect of integrated nutrient management on physico-chemical properties of rice-grown on terraced land was studied in a two-year field experiment. There were twenty treatments consisting of different combinations of locally-available organic nutrient sources (FYM, vermicompost and goat manure), mineral fertilizers and lime. The different treatment combinations showed significant effect on yield of upland rice and soil properties viz. water holding capacity, hydraulic conductivity, bulk density, infiltration rate. Infiltration rate was highest in treatment comprising of 75% NPK +2.5 t ha-1 goat manure + lime and 75% NPK + 5t ha-1 FYM while water holding capacity was highest in 75%NPK+2.5 t ha-1 goat manure + lime. Application of 75% NPK + 5 t ha-1 FYM had maximum hydraulic conductivity (2.8 cm hr-1). In general soil pH was higher in lime-amended soils. Treatment 75% NPK+ 5 t ha-1 FYM + lime produced highest grain yield (50.2 q ha-1) followed by 50% NPK+5 t ha-1 FYM + lime (43.9 q ha-1),and control had lowest yield (30.3 q ha-1).
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