Fertilizer management practices for maize : Resilts of experiments with isotopes. Vienna: IAEA, 1970 80 p.
Fertilizer management practices for maize : Resilts of experiments with isotopes. Vienna: IAEA, 1970 80 p.
(1970) Fertilizer management practices for maize : Resilts of experiments with isotopes, Vienna: IAEA 80 p.
(1970). Fertilizer management practices for maize : Resilts of experiments with isotopes. Results a four-year co-ordinated research programme of the Joint FAO/IAEA Division of Atomic energy in food and agriculture. Vienna: IAEA, 80 p.
Fertilizer management practices for maize : Resilts of experiments with isotopes: Results a four-year co-ordinated research programme of the Joint FAO/IAEA Division of Atomic energy in food and agriculture. Vienna: IAEA; 1970. p. 80 p.
