水肥一体化技术对鲜食甜糯玉米生长特性与产量的影响.docVIP

水肥一体化技术对鲜食甜糯玉米生长特性与产量的影响 广西农业科学2010,41(12):1314—1316 GuangxiAculturalSciences 水肥一体化技术对鲜食甜糯玉米生长 特性与产量的影响 梁海玲,李文宝,林明月17刘永贤,陆兴伦.,阳继辉,石玫莉., 农梦玲,曾艳,熊柳梅: (1广西大学农学院,南宁530005;2广西农业科学院,南宁530007;3广西土壤肥料工作站,南宁530008) 摘要:为寻找适宜鲜食甜糯玉米水肥一体化生产的水肥耦合参数,采用大田试验研究了不同施肥水平条件下(6O%一 1oolite水平)水肥一体化技术对鲜食甜糯玉米生长特性与产量的影响.结果表明,与常规施肥相比,水肥一体化施 肥处理的鲜食甜糯玉米不同生育期株高与叶面积分别平均提高4.30%和7.66%,鲜苞产量,鲜秸秆产量,总产值分别平 均提高2.96%,9.44%,3.51%,其中70%水肥一体化施肥的玉米鲜苞产量,产值分别提高6.73%,6.72%.可见,在一定的 土壤肥力条件下,70%水肥一体化处理的施肥量是一个比较适宜的水肥耦合参数,可用于指导鲜食甜糯玉米水肥一 体化生产. 关键词:鲜食甜糯玉米;水肥一体化;株高;叶面积;产量 中图分类号:$513.062文献标识码:A文章编号:1002—8161(2010)12—1314—03 Effectofintegratedirrigationandfertilizermanagementon growthcharacteristicsandyieldoffresh-consumablesweet- waxymaize LIANGHai—ling,LIWen—bao,LINMing-yue,LIUYong-xian,LUXing-lun, YANGJi-hui,SHIMei-li,NONGMeng—ling,ZENGYan,XIONGLiu-mei (1AculturalCollege,GuangxiUniversity,Nanning530005,China;2GuangxiAcademyofAg”culturMSciences,Nanning530007, China;3GuangxiSoilandFertilizerStation,Nanning530008,China) Abstract:Afieldexperimentwasconductedtostudytheeffectofintegratedirrigationandfertilizermanagementon growthcharacteristicsandyieldoffresh—consumablesweet—waxymaize.Djfferentfertilizationlevels(60一l0o%0ftl1ose usedasconventionalfertilizer)wereusedinordertofindoutasuitablecombinationofwaterandfertilizerforproductionof fresh—consumablesweet—waxymaize.Comparedwithconventionalfortilization,thecombinedapplicationofirrigationand fertilizeratdifferentfertilizationlevels.increasedplantheightandleafareaofflesh—consumablesweet—waxymaizeatdif- ferentgrowthstagesby4.30and7.66%,respectively,andenhancedthefreshcorn-bractyield,fleshstalkyieldandgross outputby2.96,9.44and3.51%,respectively.Thefreshcorn-bractyieldandgrossoutputrecordedamarkedincreaseof 6.73and6.73%,respectivelyinthecombinedirrigationandfertilizertreatment(70%ofconventionalfertilizer).Therefore, useof7O%ofconventionalfertilizercombinedwithirrigationseemstobeagoodpracticeforproductionoffresh-consum- ablesweet-waxymaizeundercertainsoi1fortilitycondition. Keywor