Arid
Comparison of subsurface drip irrigation and sprinkler irrigation for Bermuda grass turf in Arizona
Suarez-Rey, E; Choi, CY; Waller, PM; Kopec, DM
通讯作者Choi, CY
来源期刊TRANSACTIONS OF THE ASAE
ISSN0001-2351
出版年2000
卷号43期号:3页码:631-640
英文摘要

A subsurface drip irrigation (SDI) system is potentially efficient because it provides water directly to the root zone, minimizing evaporative loss, especially in arid lands. In this study: subsurface drip irrigation was compared to standard overhead sprinkler irrigation of Bermuda grass turf using reclaimed water Research focused on the response of Bermuda grass to two irrigation treatments, subsurface drip irrigation and overhead sprinkler irrigation. Soil moisture content was calculated via time domain reflectometry (TDR) and neutron probe data. The remotely sensed crop water stress index (CWSI) could not be used to schedule irrigation. When the average soil moisture of all eight plots was depleted to 50% of readily available water they were irrigated until the soil moisture content reached field capacity. No significant differences were observed between the two irrigation systems in total irrigation depth, relative root weight, dry, clipping mass per unit area, or visual quality. The electrical conductivity (EC) of a soil water extract measured at the beginning and end of the season indicated salt accumulation near the ground surface in the subsurface plots, but there was not sufficient accummulation to affect the appearance of turf. Visual inspection of emitters after one irrigation season showed signs of root intrusion because of water stress in certain plots with high surface sand content.


英文关键词subsurface drip irrigation effluent management allowed depletion Bermuda grass turf
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000087943100013
WOS类目Agricultural Engineering
WOS研究方向Agriculture
来源机构University of Arizona
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/140049
作者单位(1)Univ Arizona, Dept Agr & Biosyst Engn, Tucson, AZ 85721 USA;(2)Univ Arizona, Dept Plant Sci, Tucson, AZ 85721 USA
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GB/T 7714
Suarez-Rey, E,Choi, CY,Waller, PM,et al. Comparison of subsurface drip irrigation and sprinkler irrigation for Bermuda grass turf in Arizona[J]. University of Arizona,2000,43(3):631-640.
APA Suarez-Rey, E,Choi, CY,Waller, PM,&Kopec, DM.(2000).Comparison of subsurface drip irrigation and sprinkler irrigation for Bermuda grass turf in Arizona.TRANSACTIONS OF THE ASAE,43(3),631-640.
MLA Suarez-Rey, E,et al."Comparison of subsurface drip irrigation and sprinkler irrigation for Bermuda grass turf in Arizona".TRANSACTIONS OF THE ASAE 43.3(2000):631-640.
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