00376nam a2200121Ia 4500008004100000082002700041100002200068245006300090260005100153650000800204650002300212700001900235220204s9999    xx            000 0 und d  a631.452:91(084.3)bMUR  aMURALIDHARUDU,  Y 0aGIS based soil fertility maps of different states of India  aBhopalbIndian Institute of Soil Sciencec2011  aGIS  aSoil fertility map  aREDDY, Sammi K