00413nam a2200145Ia 4500008004100000020001500041082001600056100002000072245004700092260006000139300000800199650002300207650001800230653001900248170901s1993    xx            000 0 und d  a8120407911  a589.7bS92B  aRao, N.S. Subba 0aBiofertilizers in Agriculture and Forestry  aNew DelhibOxford and IBH Publishing Co. Pvt. Ltdc1993  a242  aBotanical sciences  aPure Sciences  aBiofertilizers