00350nam a2200109Ia 4500008004100000082002000041100001800061245010600079250000900185260002600194650002000220220204s9999    xx            000 0 und d  a631.8(036)bTAN  aTandon, H L S 0aFertiliser guide for extension workers, students, sales personnel, trainers, laboratories and farmers  aEd.2  aNew DelhibFDCOc1994  aPlant nutrients