Fertilizers and high yielding varieties of rice wheat and maize in the developing countries.
Contributors: Centre d'étude de l'azote.; World Food Congress, Hague, 1970.
Publisher: Centre d'etude de l'azote
Published: 1970
Place of publication: Zurich
Language: eng
Number of pages: 30
Subjects: Grain -- Fertilizers.; Grain -- Varieties.
Notes: Bibliography: p. 28-29.
Published on the occasion of the Second World Food Congress.