Water use patterns of forage cultivars in the North China Plain

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dc.contributor.author Pan, Guoyan en_US
dc.contributor.author Ouyang, Ziren en_US
dc.contributor.author Luo, Qunying en_US
dc.contributor.author Yu, Qiang en_US
dc.contributor.author Wang, J en_US
dc.contributor.editor en_US
dc.date.accessioned 2012-02-02T07:16:10Z
dc.date.available 2012-02-02T07:16:10Z
dc.date.issued 2011 en_US
dc.identifier 2010005151 en_US
dc.identifier.citation Pan Guoyan et al. 2011, 'Water use patterns of forage cultivars in the North China Plain', Gorgan University of Agricultural Sciences and Natural Resources, vol. 5, no. 2, pp. 181-194. en_US
dc.identifier.issn 1735-6814 en_US
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/14859
dc.description.abstract Water shortage is the primary limiting factor for crop production and long-term agricultural sustainability of the North China Plain. Forage cultivation emerged recently in this region. A fiveryear field experiment studies were conducted at Yucheng Integrated Experiment Station to quantify the water requirement and water use efficiency of seven forage varieties under climate variability, that is five annuals, i.e., ryegrass (Secale cereale L.), triticale (?Triticosecale Wittmack), sorghum hybrid sudangrass (Sorghum biolor ? Sorghum Sudanense c.v.), ensilage corn (Zea mays L.), prince`s feather (Amaranthus paniculatus L.) and two perennials alfalfa (Medicago sativa L.) and cup plant (Silphium perfoliatum L.). Average ET for five annual varieties ranged from 333 to 371 mm, significantly lower than that of the perennial varieties. ET of alfalfa is 789 mm, which is higher than that of cup plant. Ryegrass and triticale need 1.5 to 2.0 mm water per day, while others 2.9-4.4 mm. Ensilage corn and Sorghum hybrid sudangrass performed better as their irrigation demand is smaller in the dry seasons than others. Ryegrass needs 281 mm irrigation requirement, which is higher than triticale in dry years. Prince's feather is sensitive to climate change and it can be selected when rainfall is greater than 592.9 mm in the growing season. Mean WUE for prince's feather is 20 Kg ha-1 mm-1, for ensilage corn is 41 Kg ha-1 mm-1 and others is close to 26 Kg ha-1 mm-1. Our experiments indicate that excessive rain will reduce the production of alfalfae. The results of this experiment have implications for researchers and policy makers with water management strategy of forage cultivars and it also very useful in addressing climate change impact and adaptation issues. en_US
dc.language en_US
dc.publisher Gorgan University of Agricultural Sciences and Natural Resources en_US
dc.title Water use patterns of forage cultivars in the North China Plain en_US
dc.parent International Journal Of Plant Production en_US
dc.journal.volume 5 en_US
dc.journal.number 2 en_US
dc.publocation Iran en_US
dc.identifier.startpage 181 en_US
dc.identifier.endpage 194 en_US
dc.cauo.name SCI.Faculty of Science en_US
dc.conference Verified OK en_US
dc.for 060700 en_US
dc.personcode 0000070424 en_US
dc.personcode 0000070425 en_US
dc.personcode 108941 en_US
dc.personcode 107001 en_US
dc.personcode 0000070426 en_US
dc.percentage 100 en_US
dc.classification.name Plant Biology en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords Forage cultivars; Evapotranspiration; Irrigation demand; Water use efficiency; Climatic patterns en_US
dc.staffid en_US

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