TY  - BOOK
TI  - The Philippine recommends for conservation farming in the sloping lands vol. 1 contour farming
SN  - 9712004856
U1  - Fil. (R) 630 P53 
PY  - 2008///
CY  - Laguna
PB  - Philippine Council for Agriculture, Forestry and Natural Resources Research and Development
ER  -