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当前位置: 首页 > 文章 > 绿肥压青粉垄保护性耕作对土壤水分入渗及其后延效应的影响 中国农业气象 2018 (12) 778-785
Position: Home > Articles > Effect of Smash Ridging Conservation Tillage with Green Manure on Rice Field Soil Infiltration and Its Delayed Action Chinese Journal of Agrometeorology 2018 (12) 778-785

绿肥压青粉垄保护性耕作对土壤水分入渗及其后延效应的影响

作  者：
陈胜男;胡钧铭;徐宪立;韦翔华;何铁光
单  位：
广西大学农学院;中国科学院亚热带农业生态研究所;广西农业科学院农业资源与环境研究所
关键词：
粉垄;保护性耕作;绿肥压青;土壤紧实度;土壤入渗
摘  要：
研究绿肥压青下粉垄耕作稻田土壤水分入渗规律对完善稻田保护性耕作体系具有重要意义。2016-2017年,在广西农业科学院试验田设置粉垄保护性耕作与单免保护性耕作两种耕作模式,并设不施肥、常规施肥、单倍绿肥压青和双倍绿肥压青4种施肥处理,然后分别于早稻、晚稻收获后用土壤紧实度仪及单环入渗法测量稻田土壤紧实度及稳定入渗速率,并于晚稻水稻收获后用环刀法测定土壤容重,以了解绿肥压青下粉垄保护性耕作对当季稻田土壤入渗的影响,并就其对后季稻田的后延效应影响进行研究。结果表明,绿肥压青下粉垄保护性耕作对当季和后季稻田0-15cm土壤紧实度的影响不明显,但是可以显著降低15-30cm土壤紧实度。同时显著降低了当季及后季土壤表层及耕层的稳定入渗率,使土壤入渗能力降低,提高了土壤容重,降低了土壤孔隙度,使土壤密实。绿肥压青下粉垄保护性耕作可显著降低后季稻田土壤稳定入渗率和紧实度,对土壤结构及水分入渗的后延效应明显。
译  名：
Effect of Smash Ridging Conservation Tillage with Green Manure on Rice Field Soil Infiltration and Its Delayed Action
作  者：
CHEN Sheng-nan;HU Jun-ming;XU Xian-li;WEI Xiang-hua;HE Tie-guang;Agricultural College,Guangxi University;Agricultural Resource and Environment Research Institute,Guangxi Academy of Agricultural Sciences;Institute of Subtropical Agriculture,The Chinese Academy of Sciences;
单  位：
CHEN Sheng-nan%HU Jun-ming%XU Xian-li%WEI Xiang-hua%HE Tie-guang%Agricultural College,Guangxi University%Agricultural Resource and Environment Research Institute,Guangxi Academy of Agricultural Sciences%Institute of Subtropical Agriculture,The Chinese Academy of Sciences
关键词：
Smash ridging;;Conservation tillage;;Green manuring;;Soil compaction;;Soil infiltration
摘  要：
Studying the smash riding conservation tillage with green manure on rice filed soil infiltration is playing an importance role in improving the conservation tillage systems on rice field. In order to find out the effect of smash ridging conservation tillage with green manure on rice field soil infiltration in first season and its delayed action, a field experiment was carried out under 2 tillage modes and 4 manuring modes in Guangxi Academy of Agricultural Sciences from 2016 to 2017. The study measured the soil compaction and soil infiltration by SC-900 and single ring after early and late rice harvesting, and used cutting ring to measure the soil bulk density after late rice harvesting. The results showed that smash ridging conservation tillage with green manure had no significant effect on 0-15 cm soil compaction, and can reduce plough layer soil compaction. At the same time, smash ridging conservation tillage with green manure can reduce soil stable infiltration rate in first season and second season, which result to soil infiltration capacity fell. Smash ridging conservation tillage with green manure increased soil bulk density and reduced soil porosity, which made soil ramming. Smash ridging conservation tillage with green manure had significantly effect on soil infiltration and soil structure in second season.

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