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1、哈尔滨商业大学ERP实训报告姓名：马书成学号：200910840291专业：工业工程班级：2009-1指导教师：宫运启时间：2012年10月22日-2012年10月28日inbuildinglawn,lawnbuiltingrowingseasonrequiredafterapplyingfertilizer.Coldseasongrassdressingtimeisbestinearlyspringandfall.Afterthefirstgreen,canplayaroleinfacilitatingthegrowthofsecondinspring,aftertheweatherturn
2、edhot,youshouldstopdressing.Fertilizationinautumnon9,October.Appliesfertilizerthetimeislatespringofwarm-seasongrasses.Inamonthor2monthsofgrowingseasontobecaughtupwithfertilizer.Increasingthedensityoffoliage,improveresistancetosteppingon.Fertilizingshouldnotbelateforthelasttimeinmid-September.3,trimm
3、ingthelawnisthefocus,andisthemostintensivework.Trimcontrollawnheightofthetillers,increasingthedensityofleaves,weedsandlawnneatandbeauty.Generallawntrimmedatleast4-5timesayear,pruneandtrimthenumberofheightisrelatedtotwofactors.Lowerthecuttingheightrequirements,pruningmoretimes.Leavesofgrassdensityand
4、coveragealsoincreaseswiththenumberoftrimandmore.Itshouldbenotedthatinaccordancewithregularmowingthegrasscuttingheight,whenupto1.5timestheheightofthegrass,trimtwicetimesthemaximumshallnotexceedthespecifiedheight.4,weedweedinvasionwillseriouslyaffectthequalityofthelawn,turflostuniformandneatappearance
5、andpurposeweedandgrasscompetitionforwater,fertilizer,racetheSun,sothatobjectivegrassgrowthdecline,soweedisanessentialpartoflawnmaintenanceandmanagement.Thefundamentalmethodsofweedpreventionandremovalistherationalmanagementofwaterandfertilizer,grassgrowthpromotionpurposes,increasecompetitivenesswithw
6、eeds,andmultipletrim,suppressweedsinbuildinglawn,lawnbuiltingrowingseasonrequiredafterapplyingfertilizer.Coldseasongrassdressingtimeisbestinearlyspringandfall.Afterthefirstgreen,canplayaroleinfacilitatingthegrowthofsecondinspring,aftertheweatherturnedhot,youshouldstopdressing.Fertilizationinautumnon
7、9,October.Appliesfertilizerthetimeislatespringofwarm-seasongrasses.Inamonthor2monthsofgrowingseasontobecaughtupwithfertilizer.Increasingthedensityoffoliage,improveresistancetosteppingon.Fertilizingsho
