00529nam a2200169Ia 4500 170901s1997 xx 000 0 und d 0309058937 338.16 N28P National Research Council, United States Precision Agriculture in the 21st Century Geospatial and Information Technlogies in Crop Management Washington National Academy Press 1997 149 Economics Social sciences Precision farming ddc BK 3223 3223 0 0 ddc 0 0 RAU RAU 2017-10-18 Researchco Book Centre, New Delhi USD 48.00 0 338.16 N28P 47397 2017-10-18 1999-03-27 BK 0 0 ddc 0 0 RAU RAU 2017-10-18 Researchco Book Centre, New Delhi USD 48.00 0 338.16 N28P 48533 2017-10-18 2001-03-31 BK