Efficient use of fertilizers.
Ignatieff, Vladmir
Efficient use of fertilizers. - London : Hill for Food and Agriculture Organization , 191952 - x, 158 p. : ill., maps ; 23 cm. - FAO agricultural studies ; no. 9 .
"For further readings" at the end of most of the chapters.
Fertilizers (and manures).
Efficient use of fertilizers. - London : Hill for Food and Agriculture Organization , 191952 - x, 158 p. : ill., maps ; 23 cm. - FAO agricultural studies ; no. 9 .
"For further readings" at the end of most of the chapters.
Fertilizers (and manures).