תוצאות חיפוש - (("walter conservation") OR ("water conservation"))

Proceedings of the national workshop on Urban Water Demand Management, Alexander Library, Perth Cultural Centre, April 29 - May 1, 1986 /

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Elementary soil and water engineering / מאת Glenn, O Schwab

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Elementary soil and water engineering / מאת Schwab, Glenn O.

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Dictionary of soil and water conversation / מאת Verma, Balvir

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Myths and science of soils of the tropics : proceedings of an international symposium sponsored by Division A-6 of the American Society of Agronomy, the World Association of Soil and Water Conservation, and the Soil and Water Conservation Society, in Las Vegas, Nevada, 17 Oct. 1989 /

More water for arid lands : promising technologies and research opportunities : report of an ad hoc panel of the Advisory Committee on Technology Innovation, Board on Science and T...

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Water : a resource in crisis / מאת Lucas, Eileen

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Water and wetlands / מאת Furniss, Pamela

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Energy and water resource management / מאת Aulbach, Robert E.

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Water : rethinking management in an age of scarcity / מאת Postel, Sandra

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Energy and water management in western irrigated agriculture /

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International Symposium on Water Erosion, Sedimentation and Resource Conservation, October 9-13, 1990, Dehradun, India.

Slopeland farms in green / מאת Liao, Mien-chun

Residential water reuse / מאת Milne, Murray

Forest conservation in new zealand.

Stream-water storage in the ocean by using an impermeable membrane / מאת Murabayashi, Edwin T.