Irrigation Methods to Conserve Soil and Water on Steep Lands
Brown, Lloyd N.
Irrigation Methods to Conserve Soil and Water on Steep Lands - California : University of California, 1951. - 18 p. ; 18 cm. - California agricultural extension service ; 177 .
Irrigation Methods to Conserve Soil and Water on Steep Lands - California : University of California, 1951. - 18 p. ; 18 cm. - California agricultural extension service ; 177 .