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Assessing soil degradation

Rome Food and Agriculture Organization on the United Nations 1977 . iv, 83 p. , On t.p.: Soil Resources Development and Conservation Service, Land and Water Development Division. 28 cm.. 9251004102

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Prognosis of salinity and alkalinity

Rome Food and Agriculture Organization of the United Nations 1976 . iv, 268 p. , Soil Resources, Development, and Conservation Service. Land and Water Development Division. 28 cm.. 9251000794

Place Hold on Prognosis of salinity and alkalinity