土壤2017，Vol.49Issue(6)：1275-1279,5.DOI:10.13758/j.cnki.tr.2017.06.030
土地利用方式对江西红壤旱地碳库管理指数的影响
Effects of Land Uses on Carbon Pool Management Index of Read Soil in Jiangxi
摘要
Abstract
Soil carbon management index is a comprehensive index to characterize the accumulation and quality of soil organic carbon. In this paper, four land use types of red soil including farmland, tea garden, orchard and uncultivated land were selected, and the distribution of total organic carbon and active organic carbon as well as soil carbon pool management index(CPMI) of 0-40 cm layer were measured and calculated in order to explore the technical indexes of rational plow layer construction. The results showed that: 1) Total soil organic carbon and active organic carbon under different land use types were in the order of farmland> orchard≈tea garden> uncultivated land, compared with uncultivated land, soil organic carbon and active organic carbon were significantly increased in the other three land use types (P<0.05). 2) Reclamation and dryland utilization of red soil could significantly improve soil CPMI (P<0.05), but CPMI was significantly different (P<0.05) in 0-10 cm layer in an order of farmland> orchard≈garden (P <0.05); in 0-20 cm layer, CPMIs of farmland and tea garden were similar (P>0.05), but both significant different from that of orchard (P <0.05); in 20-40 cm layer, no significant difference existed in the three different land uses (P>0.05). Therefore, reclamation of red soil can improve soil carbon pool management, and the effect of farmland is better than those of orchard and tea garden.关键词
红壤旱地/土地利用方式/土壤有机碳/碳库管理指数Key words
Dryland of red soil/Land use/Soil organic carbon/Carbon pool management index分类
农业科技引用本文复制引用
武琳,周莺,黄尚书,叶川,钟义军,黄欠如,成艳红,郑伟,孙永明,高蕊..土地利用方式对江西红壤旱地碳库管理指数的影响[J].土壤,2017,49(6):1275-1279,5.基金项目
江西省重点研发计划项目(20161BBF60105)、江西省发明专利产业化项目(20161BBM26042)和公益性行业(农业)科研专项项目(201503119-05-01)资助. （20161BBF60105）
