Application of nitrogen-fixing systems in soil improvement and management
Hamdi, Y.A.
Application of nitrogen-fixing systems in soil improvement and management by Y.A. Hamdi - Rome Food and Agriculture Organization of the United Nations 1982 - xiii, 188 p. ill. - FAO soils bulletin 49 .
On t.p.: Soil Resources, Management and Conservation Service, Land and Water Development Division
Organic fertilizers
Nitrogen fertilizers
Soils--Nitrogen content
Application of nitrogen-fixing systems in soil improvement and management by Y.A. Hamdi - Rome Food and Agriculture Organization of the United Nations 1982 - xiii, 188 p. ill. - FAO soils bulletin 49 .
On t.p.: Soil Resources, Management and Conservation Service, Land and Water Development Division
Organic fertilizers
Nitrogen fertilizers
Soils--Nitrogen content