TY  - VF
TI  - The use of velvetbean to improve cropping lands
PY  - 1990///
CY  - Oklahoma, OK (USA)
PB  - World Neighbors, 
KW  - Cultivation
KW  - AGROVOC
KW  - Green manures
KW  - Intercropping
KW  - Mucuna deeringiana
KW  - Mucuna pruriens
KW  - Soil fertility
ER  -