①苗木定植時,要因地、因天、因苗製宜,適度掌握深淺。過深,因土壤通透性差,不利於根係生長擴展,以後地上部分長勢過弱;過淺,易受強烈陽光及幹旱的威脅,特別是當年7~8月高溫幹旱季節,會失水幹枯死亡。
②yaojianzhamiaomujiajiekoubuweidebaozhawuyoufoujiekai。ruweijiekai,yingyongkuaidaozaijiekoubeimianqingqingzonggeyidao,songkaibomodengbaozhawu。shengchanshijianzhong,youshihuichuxianmiaomuzaihouyijingchenghuo,bingchoufaxinshao,dandaoqiuhoushenzhizaizhi1~2nianhou,youshubuduanbiaoxianzhiyefahuangsiqudeqingkuang。jingjianzha,qizhuyaoyuanyinshijiajiekoudebaozhawumeiyoujiekai,congersuizhemiaomudeshengchang,kaduanlefuzhachudebiaopihexingchengceng,yingxiangleshutiyangfenshuifendeshusong,shixinshaoshengchangshouzukuwei,genbuyedebudaoyoujiyangliao“饑餓”而死。
③至於定植時或起苗後對苗木葉片的處理,這要看運苗距離的遠近、miaolingdaxiaohezhongzhijishuerding。yibanlaishuo,miaomujindiyizaide,miaolingxiao,zhongzhijiaoyoujingyande,keyibuqudiaoyepian,huojinqudiaodingbushengchangbuchongshidenenzhiye;xiangfan,rumiaomuxuchangtuyunshude,keyiqudiaobufenhuoquanbuyepian,yijianshaotuzhongshuifenzhengfa,tigaozaizhichenghuolv。danyoushiweilebaochipinzhongtezhenghewaiguanzhiliang,kezanshibaoliumiaomuzhongxiabudeyepian,daodamudedihouzaiquguang。
④苗木定植後,立即做好定幹工作。即在苗木主幹接口以上保留25~30厘米高度,剪去頂梢,促使下部抽發新梢,以後選留3~4個健壯新梢作為主枝,如苗木已有分枝、且離地麵高度適當的,可保留作為主枝,而發枝過低或近地麵的應剪去,另行選留主枝。
生產實踐證明,凡定植楊梅幼苗時做到“大穴、大肥、大苗”的,以及“苗扶正、根舒展、深淺適、土踏實、水澆足、蓋鬆土”等環節的,其成活率和保存顯著提高,同時3~4年可基本形成樹冠開始掛果。所以,上述兩條是楊梅幼樹速生早果的重要環節。
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