Arid
DOI10.1016/j.jaridenv.2003.12.011
Increasing range production from fodder shrubs in low rainfall areas
Abu-Zanat, MW; Ruyle, GB; Abdel-Hamid, NF
通讯作者Abu-Zanat, MW
来源期刊JOURNAL OF ARID ENVIRONMENTS
ISSN0140-1963
EISSN1095-922X
出版年2004
卷号59期号:2页码:205-216
英文摘要

Field experiments were conducted at the University of Jordan Research Station at Al-Muwaqqar village to develop a simple technique for establishing Atriplex seedlings, and to evaluate the browse production under natural precipitation compared with shrubs receiving additional harvested water. Overall survival of the transplants after three growing seasons averaged 67% under strictly rainfed conditions compared to 95% when additional harvested water of 39 mm was applied. Production of grazable browse of 3-year old shrubs averaged 380 and 1151 kg DM (dry matter)ha(-1) without and with additional water, respectively. Rain use efficiency averaged 1.14 and 4.48 kg DM ha(-1) year’ mm(-1) for strictly rainfed conditions and additional harvested water, respectively. Intensity of cutting had a highly significant effect on the potential of shrub regrowth. Cutting shrubs at a height of 15 and 30 cm above around level reduced regrowth substantially, whereas cutting at 45cm enhanced the amount of regrowth. The different cutting intensities had no significant effect on survival of the severed shrubs, which indicates the high tolerance of saltbushes to cutting or browsing. Water-harvesting contour furrows are reasonable for establishing saltbush plantations in low rainfall areas (100-200mm). Additional harvested water in small amounts from macro-catchements had a substantial effect on shrub survival, biomass production and water use efficiency. (C) 2004 Elsevier Ltd. All rights reserved.


英文关键词Atriplex halimus Atriplex nummularia arid lands browse production cutting rain-use efficiency survival
类型Article
语种英语
国家Jordan ; USA
收录类别SCI-E
WOS记录号WOS:000223418800001
WOS关键词MEDITERRANEAN BASIN ; SURFACE CRUST ; INFILTRATION
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
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/2XILL650/147215
作者单位(1)Univ Jordan, Dept Anim Prod, Amman, Jordan;(2)Univ Arizona, Sch Renewable Nat Resources, Tucson, AZ USA
推荐引用方式
GB/T 7714
Abu-Zanat, MW,Ruyle, GB,Abdel-Hamid, NF. Increasing range production from fodder shrubs in low rainfall areas[J]. University of Arizona,2004,59(2):205-216.
APA Abu-Zanat, MW,Ruyle, GB,&Abdel-Hamid, NF.(2004).Increasing range production from fodder shrubs in low rainfall areas.JOURNAL OF ARID ENVIRONMENTS,59(2),205-216.
MLA Abu-Zanat, MW,et al."Increasing range production from fodder shrubs in low rainfall areas".JOURNAL OF ARID ENVIRONMENTS 59.2(2004):205-216.
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