TY  - GEN
AU  - Lal, R
TI  - Tillage and cropping systems effects on crop yields on a Southern Guinea savanna soil at Ilorin, Nigeria
AV  - S 622 .2 S644 
KW  - Tillage
KW  - Land clearing
KW  - Cropping systems
KW  - Zea mays
KW  - Crop yield
KW  - Savannas
KW  - Nigeria
KW  - Labranza
KW  - Desmonte
KW  - Sistemas de cultivo
KW  - Rendimiento de cultivos
KW  - Sabanas
KW  - Articles in proceedings
KW  - Artículos en memorias
KW  - Preparación del suelo
KW  - Soil cultivation
KW  - Book chapters
ER  -