Efficient use of fertilizers.
Ignatieff, Vladimir,
Efficient use of fertilizers. - Washington, Food and Agriculture Organization of the United Nations, 1949. - x, 182 p. illus., maps. 23 cm. - FAO agricultural studies, .
Fertilizers.
MCE
631.8 / IGN
Efficient use of fertilizers. - Washington, Food and Agriculture Organization of the United Nations, 1949. - x, 182 p. illus., maps. 23 cm. - FAO agricultural studies, .
Fertilizers.
MCE
631.8 / IGN