xingshushichunjikaihuazuizaodeguoshu,erqieshixianhuahouye,huaqixingchengxuyongdeyingyangwuzhiyaokaoxianyinianqiujishutidejileilaiwancheng,suoyiqiuguanduiyichundehuaqijiegoujizuoguoqizhejuzuqingzhongdezuoyong。杏園的秋管應抓好下麵三項關鍵工作:
一、shuzhiyuduanjie。xingshushiqiangxiguangshuzhong,zishenshengchangfeichangwangsheng,henrongyixingchengjingzhengshengchangershijieguobuweiwaiyi,zheduixingchengzhuanghuahejieguoshifenbuli,suoyiyingzaicaiguohouqiuguanzhong,duijieguoshuyishuweizhu,caiquchoudazhi、壓ya低di樹shu高gao實shi施shi短duan截jie為wei主zhu的de修xiu剪jian手shou法fa,促cu進jin下xia部bu及ji內nei膛tang抽chou發fa新xin枝zhi,形xing成cheng短duan果guo枝zhi和he花hua束shu狀zhuang果guo枝zhi。同tong時shi要yao注zhu意yi對dui所suo保bao留liu的de主zhu枝zhi保bao證zheng均jun勻yun分fen布bu打da開kai光guang路lu,對dui個ge別bie可ke留liu而er較jiao直zhi立li的de枝zhi條tiao采cai用yong拉la、墜、撐手段,改變枝向,利用空間多結果;對拖地裙枝、病弱枝、過密枝可一並疏除。
二、施肥與灌水。秋季可對杏園每667平方米追施速效氮肥50-100公斤或尿素30-50公斤,並施磷鉀肥適量,對栽植大樹,可圍樹坑施氮磷鉀三混肥每株3-5公斤,施後遇雨則好,若伏旱秋旱嚴重,可在8-9月力爭澆灌。但要注意樹下根部不能久泡,泡久易傷根。
三、fangchongyubaoye。yepianshiguoshuzhizaoyingyangdegongchang,wanzhenghoushideyepianshixingshujieguodebaozheng,yibanbuyinqirenmenzhuyi,futianyanrejiazhiqiuhanshi,rongyizhaorehongzhizhuweihaimanyan,huozaiwanqiuyoulianxuqiulin,rongyiyinfaluoyebinghai,zhishihuayafenhuananyibaozheng,suoyiqiujijinxingjingchangxingdeguanchashifenbiyao,keyongdamanlinghuoduojunling、甲托等農藥混合噴布防蟲防病,保護葉片。另外,加噴3%尿素對樹體更有益處。
手機版




