TY - BOOK AU - Baligar, V C AU - Baligar, V C (Eds) AU - Baligar, V C AU - Duncan, R R TI - Crops as Enhancers of Nutrient use U1 - 581.1335/BAL PY - 1990/// CY - London PB - Academic press limited KW - Crops as Enhance of Nutrient use ER -