Read e-book online Agricultural Salinity Assessment and Management PDF

By Edited by Wesley W. Wallender, Kenneth K. Tanji, Sc.D.

ISBN-10: 0784411697

ISBN-13: 9780784411698

ISBN-10: 0784476489

ISBN-13: 9780784476482

Agricultural Salinity evaluation and administration, moment variation, considers all over the world salinity and hint aspect administration in irrigated agriculture and water offers. This up-to-date version offers a connection with aid maintain irrigated agriculture and integrates modern recommendations and administration practices. It covers technical and clinical elements of agricultural salinity mangement, in addition to environmental, fiscal, and criminal issues. themes comprise: nature and volume of agricultural salinity; prognosis of salinity difficulties and choice of keep watch over practices; soil reaction to saline and sodic stipulations; plant responses to saline and sodic stipulations; long term regional-scale modeling of soil salinity; case learn of San Joaquin Valley, California; institutional and salinity concerns at the higher Rio Grande; and viability of irrigated agriculture with increasing area and time. the second one variation of MOP seventy one is efficacious to water execs, engineers, scientists, practitioners, and educators attracted to constructing and dealing with ever extra restricted water offers around the world

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C. (1965). ” Nat. , 24(5), 40–49. Todd, D. E. (1970). Y. S. Department of Agriculture (USDA). (1988). Water quality education and technical assistance plan, USDA-Soil Conservation Service and USDA-Extension Service report. S. Department of Agriculture (USDA). (2008). gov, accessed March 18, 2011. Willey, G. R. (1953). C. This page intentionally left blank CHAPTER 2 DIAGNOSIS OF SALINITY PROBLEMS AND SELECTION OF CONTROL PRACTICES: AN OVERVIEW James D. Rhoades INTRODUCTION This chapter summarizes the principal adverse effects of salts on soils and plants, and describes a methodology for diagnosing the nature and cause of salt problems, assessing reclaimability, and selecting appropriate reclamation and management practices.

Restrictions in the federal budget due to the Vietnam War delayed completion of the lower reaches of the drain. In 1979, the San Joaquin Valley Drainage Program recommended that the master drain be completed; however, in 1981, uncertainties about the potential environmental and health effects of the discharge of San Luis Drain into the Sacramento-San Joaquin Delta and the San Francisco Bay halted further construction. Meanwhile, the San Luis Drain conveyed saline subsurface drainage waters from a 17,000-ha area affected by drainage to Kesterson Reservoir, which served as a terminal evaporation pond and a wildlife area.

This chapter presents an overview of the nature of salinity in soils and waters, its extent from global to regional scales, the reactivity of salts and salt flows, and the related agricultural and socioeconomic issues. 1 2 AGRICULTURAL SALINITY ASSESSMENT AND MANAGEMENT SALINITY AND ITS SOURCES Salinity Constituents Salinity is the concentration of dissolved mineral salts present in waters and soils on a unit volume or weight basis. The major solutes comprising dissolved mineral salts are the cations Na, Ca, Mg, and K and the anions Cl, SO4, HCO3, CO3, and NO3.

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Agricultural Salinity Assessment and Management by Edited by Wesley W. Wallender, Kenneth K. Tanji, Sc.D.

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