Download Best Management Practices for Saline and Sodic Turfgrass by Robert N. Carrow PDF

By Robert N. Carrow

The complicated concerns occupied with the administration of saline and sodic turfgrass soils are sufficient to perplex even the main skilled website supervisor — there isn't any "silver bullet" modification, therapy, or grass for salinity administration. most sensible administration Practices for Saline and Sodic Turfgrass Soils: evaluation and Reclamation provides accomplished medical rules and exact, useful administration and overview innovations for turfgrass and panorama websites. The authors use the easiest administration Practices (BMPs) idea, thought of the gold-standard administration method for anyone environmental factor, because it is a complete surroundings (holistic), science-based salinity administration method that permits all attainable administration concepts to be thought of and carried out on a site-specific foundation. They establish BMP suggestions, together with irrigation approach layout; irrigation scheduling and salinity leaching; chemical, actual, and organic amendments; cultivation; topdressing; soil amendment; sand-capping; floor and subsurface drainage suggestions; dietary practices; extra cultural practices; and ongoing tracking. The booklet provides rising demanding situations, know-how, and ideas that handle integration of salinity administration into finished website environmental or sustainable administration platforms, use of halophytic turfgrasses for non-traditional reasons, integration of geospatial and geostatistical ideas and expertise, and integration of latest sensor expertise into day-by-day administration paradigms. Outlining a holistic BMP procedure, the ebook accommodates clinical ideas and sensible administration options and information particular salinity demanding situations and the good judgment in the back of each one BMP procedure for salinity administration, with an emphasis on genuine box difficulties. The ebook is formatted for versatile use, with stand-alone chapters that come with outlines for speedy evaluation of an issue for these requiring just a easy knowing in addition to in-depth discussions of the technological know-how and sensible points for these looking a extra rigorous therapy. It provides a unmarried resource for all of the info required to spot and deal with various different types of salinity stresses.

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Additional resources for Best Management Practices for Saline and Sodic Turfgrass Soils: Assessment and Reclamation

Sample text

00 bar. 50 bar. 16 bar These examples illustrate how appreciably soluble salts can greatly reduce total soil water potential and, thereby, the availability of soil water to the plant for uptake. 5 bar, but 22 Best Management Practices for Saline and Sodic Turfgrass Soils the availability of this water is substantially less under the saline conditions. 1 illustrates the impact in reducing the quantity of water to a plant while the total quantity of water may the same in a nonsaline versus saline soil.

Salinity caused by soluble salts on a site cannot be ignored, especially when the source of salts is the irrigation water, since soils, plants, and water (surface and subsurface) are all adversely affected with each irrigation cycle (Oster, 1994). Salinization (or salination) of irrigated land occurs when dissolved salts accumulate in the upper soil layers and impose multiple salinity stresses on the landscape plants and perennial turfgrass ecosystems. Salinization of ground (aquifers) or surface waters occurs when excessive salt loads come into contact with these waters.

At the same time, any secondary problems that arise from these primary salinity stresses must be managed. The focus of proactive soil, water, and tissue testing on salinity sites is primarily toward determining the presence and magnitude of these four stresses before they become limitations to turfgrass or landscape performance or overall ecosystem sustainability. With multiple interactions affecting the ecosystem (namely, the specific turfgrass or landscape plant cultivar, the irrigation water quality, the soil profile, and the climatic changes), sustainability challenges are dynamic and must be continuously addressed.

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