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《Journal of Anhui Agricultural Sciences》 2010-01
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Growth Regularity of Broussonetia papyrifera Seedlings in Southwest Karst Region

WEI Yuan et al(School of Resources and Environmental Management,Guizhou College of Finance and Economics,Guiyang,Guizhou 550004)  
Growth regularity of one-year-old seedlings of Broussonetia papyrifera were studied.The results showed that the growth regularity of height,diameter and modular biomass were fitted for "S" curves and represented "slow-fast-slow" growth regularity,which can be simulated by y=axb growth curves equations,the growth rules of diameter was similar with that of height.But the growth peak of diameter was later about a month than that of height.According to yearly growth regularity,the growth process of Broussonetia papyrifera seedlings was divided into four periods: seedlings period,early stage,peak stage and rest stage.According to the seedlings growth characters of various stages,the nursery techniques provided basis for making scientific and reasonable technology of seedlings.
【Fund】: 国家“十一五”科技支撑计划项目“喀斯特高原生态综合整治技术与示范(2006BAC01A09)”;; 国家“十一五”科技支撑计划项目“林业生态建设关键技术研究(2006BAD03A1006)”;; 国家重点基础研究发展规划项目(973项目);; “喀斯特生物适应对策及物种优化配置(2006CB403206)”;; 国家自然科学基金项目(10961008)
【CateGory Index】: S792.99
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