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, no. 9 . - FAO agricultural studies ; no. 9. .
"For further reading" at end of most of the chapters.
agr49000109
Fertilizers.
S633 / .I3
631.816
Efficient use of fertilizers. - Washington, Food and Agriculture Organization of the United Nations, 1949. - x, 182 p. illus., maps. 23 cm. - FAO agricultural studies, no. 9 . - FAO agricultural studies ; no. 9. .
"For further reading" at end of most of the chapters.
agr49000109
Fertilizers.
S633 / .I3
631.816