TY  - BOOK
AU  - Pushpadas M.V.
AU  - George C.M.
AU  - Krishnakumari M.
AU  - Potty S.N.
TI  - Effect of long-term application of NPK fertilisers on pH and nutrient levels of soil and leaf in Hevea brasiliensis
PY  - 1974///
PB  - Journal of Plantation Crops
KW  - NPK fertilizer
KW  - Nutrient status
KW  - Soil pH
ER  -