Handbook on environmental aspects of fertilizer use

The Hague | Boston M. Nijhoff/W. Junk for the CEA, ISMA, IPI 1983 . 103p. , Result of a cooperative effort by the CEA, ISMA, and the IPI through their NPK Working Group on Environmental Aspects of Fertilizer Use 25cm.

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Zurich : NPK, 1974 . 143 p.

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Handbook on environmental aspects of fertilizer use

FAO Fertilizer Programme :