TY  - BOOK
AU  - MARTIN-PREVAL, P
TI  - Plant analysis: As a guide to the nutrient requirements of temperate and tropical crops
U1  - 633(213.5):631.811 
PY  - 1984///
CY  - Calcutta
PB  - SBA
KW  - Leaf analysis
KW  - Plant analysis
KW  - Rubber plants sampling procedure
KW  - Tropical crop nutrition
ER  -