缓释肥和有机肥对柚木轻基质容器苗生长的影响  

Effects of Slow-release Fertilizer and Organic Fertilizer on Growth of Tectona grandis Seedlings in Light Substract Containers

作　　者：郝海坤[1] 邓斌胜 曹艳云[1] 黄志玲[1] 马文志 谭长强[1] Hao Haikun;Deng Binsheng;CaoYanyun;Huang Zhiling;Ma Wenzhi;Tan Zhangqiang(Guangxi Forestry Research Institute,KeyLaboratoryof CentralSouth Fast-growing Timber Cultivationof National Forestryand Grassland Administration,Nanning,Guangxi 530002,China;Forestry Research Institute of Chongzuo,Chongzuo,Guangxi 532200,China)

机构地区：[1]广西壮族自治区林业科学研究院国家林业和草原局中南速生材繁育实验室,广西南宁530002 [2]崇左市林业科学研究所,广西崇左532200

出　　处：《广西林业科学》2020年第1期130-134,共5页Guangxi Forestry Science

基　　金：国家重点研发计划(2017YFD0601101-4);广西林业科技项目(桂林科字[2013]第2号)。

摘　　要：为提高柚木轻基质容器苗质量,在椰糠中添加基肥作为育苗基质,研究缓释肥和有机肥对苗木生长的影响。结果表明,添加缓释肥和有机肥能显著提高苗木生长量、生物量和保存率;施用单一肥料时,缓释肥最佳施用量为2.0和4.0 kg/m^3,有机肥最佳施用量为2.0 kg/m^3;缓释肥和有机肥同时施用效果比单一施用更好,但增效不显著;从苗木养分库的构建考虑,柚木轻基质容器育苗的最佳配方为椰糠+3.0 kg/m^3缓释肥+3.0 kg/m^3有机肥。In order to improve quality of Tectona grandis seedlings in light substract containers, effects of slow-release fertilizer and organic fertilizer combining with coconut residum on growth of T. grandis seedlings were studied. Results showed that using slow-release fertilizer and organic fertilizer could remarkably increase growth, biomass and preserving rate of seedlings. When applying single fertilizers, the optimal dosages of slow-release fertilizer and organic fertilizer were 2.0, 4.0 kg/m^3 and 2.0 kg/m^3, respectively. Slow-release fertilizer and organic fertilizer worked better together than alone,but the effect was not remarkable. Considering construction of nutrient reserves, the best formula was coconut residum + 3.0 kg/m^3 slow-release fertilizer + 3.0 kg/m^3 organic fertilizer.

关 键 词：缓释肥 有机肥 柚木 椰糠 

分 类 号：S723.1[农业科学—林木遗传育种]