Crop production levels and fertilizer use.
- Rome : Food and Agriculture Organization (FAO) , 1981
- ix, 69p. : ill. ; 28 cm.
- FAO fertilizer and plant nutrition bulletin 2 .
"Fertilizer and Plant Nutrition Service. Land and Water Development Division."
Bibliography: p. 53-54.
9251010994
Fertilizers
Crop yields
Fertilizers--Economic aspects
Fertilizers--Developing countries
UN FAO FPNB-2
"Fertilizer and Plant Nutrition Service. Land and Water Development Division."
Bibliography: p. 53-54.
9251010994
Fertilizers
Crop yields
Fertilizers--Economic aspects
Fertilizers--Developing countries
UN FAO FPNB-2