文档介绍：安徽农业科学,,35(30):9486-9487责任编辑罗芸责任校对李菲菲叶面施肥对甜玉米生长及产量的影响(内蒙古民族大学农学院,内蒙古通辽028042)张瑞富,杨恒山,郑威,李宏摘要研究了灌溉条件下叶面施肥对甜玉米生长、发育和产量的影响。结果表明,不管是拔节期还是抽雄期,%尿素+%磷酸二氢钾效果均好于单一喷施其中任何一种;从喷施时间来看,抽雄期喷施效果好于拔节期喷施。叶面施肥促进了植株生长,改善了穗部性状,提高了叶绿素、类胡萝卜素的含量,进而提高了甜玉米的产量。关键词甜玉米;叶面施肥;鲜穗产量中图分类号S513文献标识码A文章编号0517-6611(2007)30-09486-02EffectsofLeaf-SurfaceFertilizationbySettingSeedlingonGrowthandYieldofSweetCornZHANGRui-fuetal(CollegeofAgronomy,InnerMongoliaUniversityforNationalities,Tongliao,InnerMongolia028042)AbstractThisexperimenthadbeenconductedintheInnerMongoliannationalityuniversityfromApriltoSeptemberin2006,inwhichfieldexperiment,thepaperstudiedleaf-surfacefertilizationtogrow,thegrowthtothesweetcornandtheoutputinfluenceundertheirrigationcondition,theresultsshowedthatnomatterthejointingstageorthepullingoutthemaletime,%urea+%potassiumdihydrogenphosphateeffectedgoodtosolelytospurtanykind;consideringthespurtingtime,-surfacefertilizationpromotedtheadultplanttogrowandenhanceanearofcharacterandthechlorophyllcontent,thekindofcarrotelementcontent,;Leaf-surfacefertilization;Freshearyield甜玉米为玉米属的一个品种,20世纪初开始商品化并逐渐成为一种世界性的果蔬型食品[1-2]。叶面施肥具有施量少、吸收快、效率高的特点,甜玉米因其生育期较短而需肥敏感。因此,研究叶面施肥的时期及组合对甜玉米生长、产量的影响,对发展甜玉米产业具有重要的现实意义。~9月在内蒙古民族大