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Effect of Natural Vegetative Filter Strips Density on Crop Production and Soil Loss.. 13th Annual Scientific Conference of the Federation of Crop Science Societies of the Philippines. :21.. 1997.
Crop Productivity Using Different Forage Legumes and Grows As Contour Hedgerow Species in Acid Upland Soils.. Federation and Crop Science Societies of the Philippines Annual Scientific Convention. :49.. 1996.
Crop Productivity Using Forage Legumes and Grasses as Contour Hedgerow Species in an Acid Upland Soil.. Roving Workshop on Conservation Farming On Sloping Lands.. :40.. 1998.