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OALib Journal期刊
ISSN: 2333-9721
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平茬更新代次对杞柳生长及柳条产量和质量的影响
DOI: 10.3969/j.jssn.1000-2006.2012.02.018, PP. 86-90
Keywords: 杞柳,平茬更新代次,柳条产量,柳条质量,沿淮低湿地
Abstract:
选择淮河低湿地不同平茬更新代次的杞柳林分,对其生长情况及柳条产量、质量进行调查,并对平茬更新代次的影响进行评价。结果表明:0～4代杞柳林分在叶面积指数、柳条平均直径和长度以及生物量方面均不存在显著差异;1代林分柳条分化严重,整齐度低,细弱型柳条(d<0.4cm)比例达44%,需要在栽培过程中加以人工调控;4代林分柳条的整齐度较高,但产条数量较0～2代林分低20%以上,并且粗大型柳条(d>0.8cm)所占比例略高于其他代次,建议在生产中采用1年2次收获的方式以增加中细型柳条的产量。
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