樹體的貯存營養對越冬及下一個生長季節的萌芽、開花、抽梢、展葉、生根、坐果、果實形成等的過程的順利完成及其數量、質量都有顯著的影響。因此,致力於提高貯藏水平,對果樹的優質、高產具有 重zhong要yao的de作zuo用yong。一yi年nian中zhong,在zai果guo實shi采cai收shou後hou至zhi落luo葉ye前qian的de一yi段duan時shi間jian內nei,葉ye片pian製zhi造zao的de營ying養yang物wu質zhi大da部bu分fen被bei貯zhu存cun起qi來lai,因yin此ci,提ti高gao樹shu體ti冬dong季ji貯zhu存cun營ying養yang水shui平ping應ying采cai取qu以yi下xia措cuo施shi。
一、早施基肥。基肥以有機肥料為主,如腐殖酸類肥料、堆肥、圈肥、複合肥、綠肥及作物秸稈等。基肥以秋施為好,一般早熟品種在果實采收後,中、晚熟品種在采收前,宜早不宜晚。秋施基肥正值根係第2或第3次ci生sheng長chang高gao峰feng期qi,此ci時shi傷shang根gen容rong易yi愈yu合he,切qie斷duan的de一yi些xie小xiao細xi根gen,起qi到dao根gen係xi修xiu剪jian的de作zuo用yong,同tong時shi可ke促cu發fa新xin根gen。若ruo施shi肥fei時shi加jia入ru適shi量liang的de速su效xiao肥fei,則ze效xiao果guo更geng佳jia。
二、caihoujiaoshui。zaiganhandiquqiudongjiaoshui,youzhuyufeiliaodefenjie,liyugenxidexishou,congercujinguoshuhouqideshengchangfayu,tigaozhucunyingyangshuiping。duiduoshuluoyeguoshulaishuo,zailinjincaishouqizhiqianbuyijiaoshui,yimianjiangdiguoshipinzhiheyinqilieguo。
三、genwaizhuifei。youchengyemianpenfei。cifajiandanyixing,yongliangxiao,fahuizuoyongkuai,qiebuyishouyangfenfenpeizhongxindeyingxiang,kejishimanzuguoshudejixu,bingkebimianmouxieyuansuzaiturangzhongbeiguding。genwaishianfeifuheweifei300倍液,可提高葉片光合強度1.5倍。噴後10-15天葉片對肥料元素反應最明顯,以後逐漸降低,至第25-30tianxiaoshi。genwaizhuifeihaiketigaoyepianhuxizuoyonghemeidehuoxing,yinerkegaishangenxifayu,zengqiangxishounengli,cujinguoshuzhengtidedaixieguocheng。suoyi,guoshicaishouhougenwaizhuifei,duitigaoshutiyingyangxiaoguogengjia,dangenwaizhuifeibunengdaititurangshifei,liangzhegejutedian,huxiangbuchong,yunyongdefa,kefahuishifeidezuijiaxiaoguo。
四、保護葉片。采果後,馬上噴1次稀釋200倍的波爾多液,可延長葉片壽命,提高葉片光合作用,達到增加樹體營養積累的目的。
手機版




