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当前位置: 首页 > 文章 > 不同混农林种植模式下糖胶树生物量与生长规律研究 中国生态农业学报 2008,16 (1) 150-154
Position: Home > Articles > Biomass and growth law of Alstonia scholaris under different patterns of agroforestry Chinese Journal of Eco-Agriculture 2008,16 (1) 150-154

不同混农林种植模式下糖胶树生物量与生长规律研究

作  者：
刘贵周;蔡传涛;罗媛;刘宝;孙成逊
单  位：
云南大唐汉方制药有限公司;中国科学院西双版纳热带植物园昆明分部
关键词：
糖胶树;生物量;生长规律;混农林种植模式;阳坡;阴坡;种植密度
摘  要：
通过分析糖胶树在不同种植模式下的生长及生物量变化,探讨了糖胶树不同种植模式的效果。结果表明:在较高种植密度(株行距为4 m×6 m)条件下,不同种植坡向间糖胶树生长差异较大,而在低密度条件下,坡向对植株的生长影响不大;在一定种植密度范围内,阴坡的种植密度对糖胶树的生长影响不大,且阴坡条件不利于糖胶树的生长,而阳坡则较适宜;不同种植模式下的糖胶树单株生物量不同,荒坡纯种(2.717 kg)较糖胶树+茶叶种植模式(2.598 kg)以及糖胶树+咖啡模式(2.500 kg)高。移栽定植后9~11个月是糖胶树生长的最快阶段;用种子进行苗木繁殖的糖胶树,其单株总生物量为28.41 kg,是营养繁殖的3.21倍,在生产上大面积推广时宜采用糖胶树种子进行幼苗繁殖。
译  名：
Biomass and growth law of Alstonia scholaris under different patterns of agroforestry
作  者：
LIU Gui-Zhou1,CAI Chuan-Tao1,LUO Yuan1,LIU Bao2,SUN Cheng-Xun2(1.Division of Tropical Xishuangbanna Botanical Garden,Chinese Academy of Sciences,Kunming 650223,China;2.Yunnan Datang Hanfang Pharmaceutical Co.Ltd.,Puer 665000,China)
关键词：
Alstonia scholaris,Biomass,Growth law,Agroforestry pattern,Sunny slope,Shady-slope,Planting density
摘  要：
A field experiment was conducted to study growth characteristics and biomass accumulation of Alstonia scholaris plants under different systems of agroforestry in order to determine A.scholaris plantation optimal pattern.Results show that growth of A.scholaris is enhanced when planted in high density at 417 plants per hectare over low density planting,and is significantly affected by slope direction.However,in lower density planting,plant growth is not significantly affected by slope direction.Within a certain density range,plant density has no significant effect on the growth of A.scholar in shady-slopes.Sunny-slopes are most favorable to A.scholar growth.Under the system of monoculture,total biomass per plant(2.717 kg)is much higher than that of agroforestry systems such as A.scholaris and Camellia sinensis(2.598 kg),and A.scholaris and Coffea arabica(2.500 kg).Nine to eleven months after planting,A.scholaris trees grow very fast.Total biomass per plant of seed-propagated trees is 28.41 kg,3.21 times that of vegetatively propagated trees.Therefore,it is recommended that seed-propagated seedlings be used in A.scholaris production.

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