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海南麻竹林凋落物及养分动态研究 预览 被引量:8

A Study on the Litter and Nutrient Dynamics of Sinocalamus latiflorus Forest in Hainan
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摘要 研究了海南麻竹林凋落物量及其养分动态.结果表明:麻竹林凋落物全年总量为6 862.8 kg·hm-2.N、P、K、Ca、Mg的年归还量分别为74.847、3.264、25.921、45.924、11.902kg·hm-2,大小顺序为:N>Ca>K>Mg>P,养分总的年归还量是161.858kg·hm-2·a-1.凋落物分解失重率达95%的分解期为11.59个月,每年产生的凋落物全部归还于土壤. The litter and nutrient dynamics of Dendrocalamus latiflorus forest in Hainan were studied. The results showed that the total litter biomass all over the year was 6862.8kg·hm -2. The nutrient of N、P、K、Ca、Mg that yearly returned to the soil were 74.847, 3.264, 25.921,45.924 and 11.902 kg·hm -2 respectively. The descending order was N>Ca>K>Mg>P. Totally returned nutrient amounted to 161.858 kg·hm -2·a -1. The duration of 95% decomposition of the litter was 11.59 months. The litter produced per year was completely returned to the soil in one year.
作者 吕春艳 余雪标 Lü Chunyan Yu Xuebiao (South China University of Tropical Agricultural,Hainan 571737,China)
出处 《竹子研究汇刊》 2004年第4期 25-27,32,共4页 Journal of Bamboo Research
关键词 凋落物 麻竹 竹林 养分动态 失重率 土壤 海南 大小 分解 Dendrocalamus latiflorus forest Litter Nutrient dynamics
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