00454nam a2200121Ia 4500082001900000100002100019245013600040260005100176546001200227650003700239650003700276700001900313  a630.92bMUR/FA  aMuralidharadu, Y  aFarmer`s resource based site specific integrated nutrient management and on-line fertilizer recommendations using GPS and GIS tools  aBhopalbIndian Institute of Soil Sciencec2010  aEnglish  aIndian Institute of Soil Science  aIndian Institute of Soil Science  aSammi, Reddy K