000 00408nam a2200121Ia 4500
008 220216s9999 xx 000 0 und d
100 _aKrishnakumar A K
245 0 _aPotassium in soils of rubber plantations
260 _bIn: Potassium for plantation crops (Eds. M. Singh and M.K. Mishra). Potassium Research Institute of India, Curgoan, pp.60-70
700 _aGupta C
700 _aPotty S N
942 _cJS
999 _c65368
_d65368