TY  - BOOK
AU  - Sangatanan, Pedro D.
AU  - Rone L. Sangatanan and Ted L. Sangatanan
TI  - Practical guide to soil conservation
SN  - 9717471951
U1  - Fil. 631.4 Sa58 
PY  - 2002///
CY  - Iloilo
PB  - P.D. Sangatanan Marketing, 
KW  - Soil conservation
KW  - Soil erosion
KW  - Erosion
KW  - Soil- pollution
KW  - Fertilizers and manures
ER  -