Arid
DOI10.1111/j.1526-100X.2006.00142.x
Native plant regeneration on abandoned desert farmland: Effects of irrigation, soil preparation, and amendments on seedling establishment
Banerjee, Monisha J.; Gerhart, Vanda J.; Glenn, Edward P.
通讯作者Banerjee, Monisha J.
来源期刊RESTORATION ECOLOGY
ISSN1061-2971
出版年2006
卷号14期号:3页码:339-348
英文摘要

Direct seeding methods to revegetate abandoned farmland were tested at a desert site west of Phoenix, Arizona. Native seeds were broadcast onto plots prepared by mulching, imprinting, chiseling, and fertilizing with phosphorous in a split-plot design. Each main plot was split into subplots that were not irrigated, irrigated with saline (3.25 dS/m) well water, or irrigated and hand weeded of Salsola iberica. Native seeds germinated poorly on all treatments, and three annual exotic weeds (Brassica nigra, S. iberica, and Schismus spp.) dominated the plots. None of the main plot treatments (mulching, imprinting, chiseling, or fertilizing) had a significant effect on seed germination or canopy cover. Irrigation increased plant cover on plots, but weeds dominated the cover (< 4% native species, up to 50% weeds). Near the end of the second growing season a seed bank study was conducted in the greenhouse. Undisturbed desert soil had relatively few weed seeds and more native plant seeds than the disturbed agricultural soil samples, which had few viable native seeds and were dominated by Schismus spp., B. nigra, and S. iberica. The results illustrate the difficulty of establishing native plants on abandoned desert farmland due to the dominance of weedy species, the presence of salts in the soil, and the lack of adequate soil moisture in the treatments without supplemental irrigation.


英文关键词Brassica nigra desert agriculture restoration revegetation Salsola iberica Schismus spp. weeds
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000239795300003
WOS关键词ARBUSCULAR MYCORRHIZAL FUNGI ; SEEDBED PREPARATION ; MOJAVE DESERT ; NEGEV DESERT ; WATER ; REVEGETATION ; ARIZONA ; REHABILITATION ; COMPETITION ; DYNAMICS
WOS类目Ecology
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/2XILL650/152959
作者单位(1)Univ Arizona, Dept Soil Water & Environm Sci, Environm Res Lab, Tucson, AZ 85706 USA
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GB/T 7714
Banerjee, Monisha J.,Gerhart, Vanda J.,Glenn, Edward P.. Native plant regeneration on abandoned desert farmland: Effects of irrigation, soil preparation, and amendments on seedling establishment[J]. University of Arizona,2006,14(3):339-348.
APA Banerjee, Monisha J.,Gerhart, Vanda J.,&Glenn, Edward P..(2006).Native plant regeneration on abandoned desert farmland: Effects of irrigation, soil preparation, and amendments on seedling establishment.RESTORATION ECOLOGY,14(3),339-348.
MLA Banerjee, Monisha J.,et al."Native plant regeneration on abandoned desert farmland: Effects of irrigation, soil preparation, and amendments on seedling establishment".RESTORATION ECOLOGY 14.3(2006):339-348.
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