TY  - GEN
TI  - Lectures presented at IFDC training program: plant nutrient management for sustainable agriculture
SN  - 0880901047
U1  - 631.8 
PY  - 1993///
CY  - Alabama
PB  - International Fertilizer Development Center
KW  - Agriculture and related technologies
KW  - Fertilizers,soil conditioners,growth regulators
KW  - Specific techniques
ER  -