Résultats de la recherche - (( soil consultation ) OR ( ((soil construction) OR (soil conservation)) ))*

The Philippines recommends for soil conservation 1977.

Sujets: “…Soil conservation Philippines.…”

Approved practices in soil conservation par Bosworth, Duane A.

Sujets: “…Soil conservation…”

Soil and water conservation engineering /

Sujets: “…Soil conservation.…”

Soil and water conservation engineering par Glenn, R. Schwab (et.al)

Sujets: “…Soil conservation 641…”

Soil-cement : its use in building.

Sujets:

Soils : the basis of sustainable agriculture : a cooperative program of NSW Agriculture and the Soil Conservation Service of NSW / par Simpson, Ian

Soil erosion : quiet crisis in the world economy / par Brown, Lester Russell, 1934-

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Soil management : a world view of conservation and production / par Cook, Ray Lewis

Sujets:

Tillage systems for soil and water conservation / par Unger, Paul W.

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Dictionary of soil and water conversation / par Verma, Balvir

Sujets: “…Soil conservation Dictionaries…”

Soil conservation and management in the humid tropics /

Sujets: “…Soil conservation Tropics.…”

Soil and water conservation in semi-arid areas / par Hudson, Norman W.

Sujets: “…Soil conservation…”

Soil and water conservation for productivity and environmental protection par Troeh, Frederick R.

Sujets: “…Soil conservation…”

Soil conservation for small farmers in the humid tropics / par Sheng, T. C.

Sujets: “…Soil conservation.…”

In-service training for soil and water conservation : report of the Workshop in Serdang, Malaysia, 11-15 December, 1989.

Sujets: “…Soil conservation In-service training.…”

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

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Farming systems development and soil conservation / par Norman, David

Sujets: “…Soil conservation.…”

Shifting cultivation and soil conservation in Africa papers presented at the FAO/SIDA/ARCN Regional Seminar on Shifting Cultivation and Soil Conservation in Africa, Ibadan, Nigeria, 2-21 July, 1973

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1986 Soil Conservation Conference, Macquarie University, 16th, 17th July.

Sujets: “…Soil conservation.…”

Compilation of papers : Soils Workshop for Agronomists, Horticulturalists and Soil Conservationists, 4-5 May, 1988, Alstonville.

Sujets: “…Soil conservation.…”