Resultados de búsqueda - (( water conservation ) OR ( walter consultation ))

Elementary soil and water engineering por Schwab, Glenn Orville, 1914-

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

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Soil and water conservation research, 1956-71

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Farmers' practices and soil and water conservation programs /

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

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Plant environment and efficient water use /

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

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Earth, air, and water : resources and environment in the late 20th century / por Simmons, I. G. 1937-

Forest influences : the effect of woody vegetation on climate, water, and soil, with applications to the conservation of water and the control of floods an erosion / por Kittredge, Joseph

Metalworking / por Boyd, T. Gardner

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

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

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Watershed management field manual : slope treatment measures and practices.

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Planning for improved enterprice performance a guide for managers and consultants por Abramson, Robert

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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Soil erosion by water in the tropics / por El-Swaify, S. A.

Conservation and you / por Hitch, Allen S.

Water for every farm : Yeomans keyline plan /

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

Graphic arts / por Kagy, Frederick D.