TY  - BOOK
AU  - Krishnakumar A K
AU  - Gupta C
AU  - Potty S N
TI  - Potassium in soils of rubber plantations
PB  - In: Potassium for plantation crops (Eds. M. Singh and M.K. Mishra). Potassium Research Institute of India, Curgoan, pp.60-70
ER  -