WUSuli.EffectsofSurfaceMulchingonSoilWater-saltRegulationandYieldofWolfberry[J].Northern Horticulture,2019,43(03):116-120.[doi:10.11937/bfyy.20181860]
覆盖对土壤水盐调控及枸杞产量的影响
- Title:
- EffectsofSurfaceMulchingonSoilWater-saltRegulationandYieldofWolfberry
- 文章编号:
- 20181860
- Keywords:
- Keywords:salinesoil; mulch; soilmoisture; salinity; wolfberry; yield
- 文献标志码:
- A
- 摘要:
- 摘要：为研究地表覆盖材料对甘肃盐渍化土壤水盐运移及枸杞生生长产量的影响，在统一沟灌6000m3?hm-2的基础上，以不覆盖为对照（CK），设置覆盖黑膜（T1）、草帘（T2）、无纺布（T3）3种材料处理；监测覆盖处理后土壤含水率、盐分含量和pH，分析土壤水盐变化。结果表明：地表覆盖黑膜、草帘、无纺布均能削弱地表蒸发，抑制地表返盐，黑膜处理土壤含水率最高、含盐量最低，无纺布处理土壤含盐量最高；覆盖草帘处理枸杞成活率、保存率、株高、冠幅和产量均为最高，第2年草帘处理枸杞产量为186t?hm-2，是对照的14倍，比黑膜、无纺布处理分别高107%、81%。因此，沟灌条件下覆盖草帘适宜于该地区盐渍土农作物种植。
- Abstract:
- Abstract:Inordertostudytheeffectsofsurfacemulchingonsalinesoilwater-saltmigrationandthegrowth,yieldofwolfberry.Threematerialscoveredwithplasticfilmmulching(T1),straw(T2)andnon-wovenfabric(T3)weresetonthebasisofunifiedfurrowirrigationof6000m3?hm-2.Thecontrolsitewascoveringnothing(CK),soilwaterandsaltchangeswereanalyzedbymonitoringsoilwatermoisture,saltcontent,andpHchange.Theresultsshowedthatthesurfacecoveredwithplasticfilmmulching,strawandnon-wovenfabriccouldweakenthesurfaceevaporationandinhibitthesecondarysalinizationoccasionally.Thesoilofplasticfilmmulchingtreatmenthadthelowestsaltcontentandthehighestmoisture,thesoilofnon-wovenfabrictreatmenthadthehighestsaltcontent.Coveringthestrawtreatmentsurvivalrate,preservationrate,plantheight,crownwidthandyieldwerethehighest.Theyieldofstrawtreatmentinthesecondyearwas186t?hm-2,whichwas14timesofCK,107%and81%higherthanplasticfilmmulchingandnon-wovenfabric.Theyieldofstrawtreatmentwasthehighestinalltreatments.Therefore,coveringthestrawcouldinhibitsurfaceevaporationandsecondarysalinization,whichwasconducivetogrowthandyieldimprovementunderthefurrowirrigation.
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备注/Memo
作者简介：吴素丽（1968-），女，河南开封人，本科，高级工程师，研究方向为引黄灌区工程建设与管理。E-mail：sameh_1234@163.com.基金项目：国家林业局科研专项资助项目（201504804）。收稿日期：2018-06-30