検索結果 - "\"\\"((\\\"soil construction\\\") OR (\\\"((soil consultation) OR (soil conservation))\\\"))\\"\""

The Philippines recommends for soil conservation 1977.

主題: “…Soil conservation Philippines.…”

Approved practices in soil conservation 著者: Bosworth, Duane A.

主題: “…Soil conservation…”

Soil and water conservation engineering /

主題: “…Soil conservation.…”

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

主題: “…Soil conservation 641…”

Soil-cement : its use in building.

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

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

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

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

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Dictionary of soil and water conversation / 著者: Verma, Balvir

主題: “…Soil conservation Dictionaries…”

Soil conservation and management in the humid tropics /

主題: “…Soil conservation Tropics.…”

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

主題: “…Soil conservation…”

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

主題: “…Soil conservation…”

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

主題: “…Soil conservation.…”

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

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

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

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Farming systems development and soil conservation / 著者: Norman, David

主題: “…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.

主題: “…Soil conservation.…”

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

主題: “…Soil conservation.…”