Adoption of contour hedgerows by upland farmers in the Philippines : An Economic
Lapar, Ma.Lucila A. et al.
Adoption of contour hedgerows by upland farmers in the Philippines : An Economic - Philippines IRRI 1999 - 42p. - IRRI, Discussion paper no. 36 .
63(069):631.583
Adoption of contour hedgerows by upland farmers in the Philippines : An Economic - Philippines IRRI 1999 - 42p. - IRRI, Discussion paper no. 36 .
63(069):631.583