000 00286nam a2200097Ia 4500
008 140318s9999 xx 000 0 und d
100 _aKanwar, J.S. & Katyal, J.C., Eds.
245 _aPlant nutrient needs supplym efficiency & policy issues 2000-2025 AD
300 _a157-160
942 _cRP
999 _c99811
_d99811