Improved use of plant nutrients :
Improved use of plant nutrients : report of the expert consultation on better exploitation of plant nutrients held in Rome 18-22 April 1977.
- Rome : Food and Agriculture Organization of the United Nations, 1978.
- vii, 152 p. :
On t.p.: Soil Resources, Management and Conservation Service, Land and Water Development Division.
9251005834
Fertilizers.
631.81 / Im
On t.p.: Soil Resources, Management and Conservation Service, Land and Water Development Division.
9251005834
Fertilizers.
631.81 / Im