Soil conservation in the Pacific : a symposium and a panel discussion /

類似資料

• Nature conservation in the Pacific : proceedings of symposium A-10, XII Pacific Science Congress, August-September 1971, Canberra, Australia /
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• Bibliography of soil fertility and soil management in Pacific Island countries /
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• Proceedings of the Ninth Pacific Science Congress of the Pacific Science Association.
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• Soil conservation /
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• Soil conservation handbook /
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