検索結果 - (((("walter conservation") OR ("water conservation"))) OR ("water consultation"))*

Water conservation.

主題: “…Water conservation…”

Water conservation : needs and implementing strategies.

主題: “…Water conservation.…”

Soil and water conservation engineering /

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

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

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

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Shade and color with water-conserving plants / 著者: Walters, James E.

主題: “…Landscape gardening Water conservation Southwest, New.…”

Conserving water : the untapped alternative / 著者: Postel, Sandra

主題: “…Water conservation…”

Rain catchment and water supply in rural Africa a manual 著者: Nissen-Petersen, Erik

主題: “…Water conservation Africa…”

Soil and water conservation research, 1956-71

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

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Farmers' practices and soil and water conservation programs /

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Land use and water resources in temperate and tropical climates 著者: Pereira, H. C. (Herbert Charles), 1913-

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Soil water management /

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Irrigation scheduling for water & energy conservation in the 80's the proceedings of the Irrigation Scheduling Conference, December 14-15, 1981, the Palmer House, Chicago, Illinois

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Guidelines for economic appraisal of watershed managementprojects / 著者: Gregersen, H. M.

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Watershed management field manual : slope treatment measures and practices.

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Vanishing land and water : soil and water conservation in dry lands / 著者: Chleq, Jean-Louis

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Conservation and productivity of natural waters /

主題: “…Water conservation.…”

Plant environment and efficient water use /

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