Risultati della ricerca - (((("soil conservation") OR ("soil consultation"))) OR ("soil construction"))

Soil loss and runoff from demonstration gardens in Matalau village East New Britain Province / di Carman, Kathy

Soggetti: “...Soil conservation Papua New Guinea East New Britain Province....”

Soil conservation and sustainable land use : an economic approach / di Graaff, J. de

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Farming systems in Africa : the great lakes highlands of Zaire, Rwanda, and Burundi / di Jones, William I.

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Erosion and sediment control handbook / di Goldman, Steven J.

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The earth manual / di Margolin, Malcolm

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Regional action learning programme development of conservation farming systems : report of the inaugural workshop, Chiang Mai, Thailand, 23 February-1 March, 1990 /

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Regional action planning programme on the conservation farming system : report of the review workshop, Lumut, Perak, Malaysia, 26-30 August 1991 /

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FAO soils bulletin.

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