WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Thursday, March 21, 2019


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9460. Luebs, R.E.. 1983. Water conservation: Pacific Southwest. p. 125-136.. IN: Dryland Agriculture. Agronomy Monograph No. 23, Amer. Soc. Agron., Madison, WI..
Agricultural drylands of the Pacific Southweat are generally described as arid or semiarid. For discussion here, the Pacific Southwest includes the states of Arizona, California, Nevada, and that part of Utah south of an imaginary line extending from the southern Wyoming boundry to Nevada. Rainfall is below the threshold needed for dryland crop production over most of the fourstate area, and evaporation is high. Small grain cereals predominate as dryland crops in the Pacific southwest as they do in other areas of the western USA, although the particular cereals and varieties as well as growing season are different in the different seasons. Topics covered in the article are: Soils, Precipitation characteristics, Conservation of water from precipitation, Summer Fallow, Stubble Mulch, Water Harvesting, Terracing, Snowmelt control and Future Research.

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