垄作免耕技术对土壤水分和玉米产量的影响.pdf

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1、第28卷增刊21462012年10月农业工程学报TraIlsactionsoftheChineseSocietyofA鲥cultIlralEnginee血gv01．28Supp．20ct．2012Ef．fectofridgecultureandn0一tillageonS0llmolStUI．eandmalZeVleIn●1●』1●1WangQingjie，LiHongwen※，He】in，L．Hui，KhokanKumerSarker(Cotzege巧Engineering，ChinaAgricHl抛ralUniversi抄．Beij

2、tng、QQI溺Chin由Abstract：Toobtainasui讪leridgetillagetechllolog)rmodelforthecomri电esystem，three廿eatments，Suchastraditionalridgetillage，ridgetillagecoveredwimchoppeds仃aWandridgetillagewithhigh·snlbblestallding}■erecomparedonbasisofthelong—tem(fiveyears)衄ImeworkinSujiatun，Lia

3、oningProvinceinthisstLldy．．Theresultsshowedthatridgetillagef．orfiveyearsimprovedthesoilstnlcture，soilmoistureaIldwaterusee衔ciency．Theridgetillagewithchoppeds廿awcoverimprovedthecropyield锄dwatefuseem弛ncywifht11ehighestdi髓renceby4．1％一10．7％and5．4％一10．2％，respectively，whileth

4、eridgetillagewimhighlstubblestandingimproVedthecmpyieldsandwateruseemciencyby1．9％一6．4％and4．1％．7．9％，respectively，comparedtot11eⅡ-aditionalridgetillage．Consequently，ridgetillagewithchoppeds廿awcoverwaspmvedtobethebeste腩cts锄ongchethree廿eacIllems．111eresultsprovideareference

5、fortlleextensionoftheri电etillageinLiaoningpmvince．Keywords：soilmoisture，soils，s仃aw，no—tillage，ridgetillage，maize，so订wateruseefficiency’yielddoi：10．3969(j．issn．1002—6819．2012．z2．025CLCnumber：S513，S606+．1Documentcode：AArticleID：l002—6819(2012)一Supp．2一0146—05wangQin萄ie，LiH

6、ongw明，HeJin，eta1．E骶ctofridgecultureaIIdno—tillageonsoilmoistureaIldmaizeyield[J】．1’ransactionsoftlleChineseSocietyofA鲥culmralEngineering(ThnsactionsoftlleCSAE)，2012，28(Supp-2)：146一】50(inEn西ishw油Chineseabstract)王庆杰，李洪文，何进，等．垄作免耕技术对土壤水分和玉米产量的影响[J]．农业工程学报，2012，28(增刊2)：146—

7、150．0IntroductionThepurposeoftillageistoacquiresuitablesoilconditions，cropgrowth，savewater锄dtimeaIldpromotecropproduction．InChina，alotofworkshavebeencarriedoutintheEeldsofsoileonser、，ation．fertilizeruseemciencyandwate卜saving．However，thesestudiesmainlVfocusedonfanIlingon

8、plains．Lieta1．carriedoutcomp2Lrativestudiesaboutmeimpactofminimumtillage，zerotillage，subsoilingandcropcoveronw