TY  - BK
AU  - Claassen,S.L.
TI  - Mechanized minimum and non-till crop production for research farms
T2  - IITA Research Guide
PY  - 1996///
CY  - Ibadan (Nigeria)
PB  - IITA, 
KW  - Mechanization
KW  - Minimum tillage
KW  - On farm research
KW  - Plant production
KW  - Tropical soils
KW  - Zero tillage
KW  - IITA
ER  -