一、恢複樹勢,增強抗逆能力。龍眼樹經過了幾個月的掛果,消費了大量的養份。在秋季8—11月份的4個ge月yue管guan理li中zhong,是shi翌yi年nian龍long眼yan豐feng產chan關guan鍵jian時shi期qi。要yao及ji時shi增zeng施shi龍long眼yan的de采cai前qian肥fei和he采cai後hou肥fei,以yi促cu進jin龍long眼yan果guo實shi的de膨peng大da,提ti高gao龍long眼yan的de產chan量liang和he龍long眼yan品pin質zhi,同tong時shi可ke以yi及ji早zao恢hui複fu龍long眼yan的de樹shu勢shi,增zeng強qiang龍long眼yan的de抗kang逆ni能neng力li,為wei明ming年nian龍long眼yan高gao產chan穩wen產chan打da下xia基ji礎chu。具ju體ti施shi肥fei數shu量liang以yi每mei株zhu產chan100斤龍眼果實為例,采前肥在采前15天以速效肥為主,用進口複合肥株施2公斤,在雨後或灌水時施下;采後肥每株施三元複合肥2公斤、人糞尿100公斤。施肥方法在樹冠邊緣垂直線下挖溝,深度20—30厘米,施後蓋土,有條件的地方可以結合果園灌水一次,增加土壤濕度,提高龍眼樹吸肥效果,加速龍眼樹勢的恢複。
二、peiyangjieguomuzhi,weiyinianfengchangaochandaxiajichu。longyanzuilixiangdejieguomuzhishizuihouyicichengshudeqiushao,suoyizaiguoshicaizhaihou,yaojishijiaqiangmushushuifeiguanli,cujinqiushaodemengfa,baqiushaopeiyangchengqiangzhuangdejieguomuzhi。yongshuifeikongzhiqiushaomengfadezhengqidu,zheyangyebianguoyuandeguanlihebingchonghaifangzhi。
三、修xiu剪jian與yu整zheng枝zhi。為wei使shi龍long眼yan樹shu有you一yi個ge良liang好hao的de樹shu冠guan,提ti高gao龍long眼yan單dan位wei麵mian積ji的de產chan量liang,龍long眼yan樹shu的de整zheng形xing修xiu剪jian一yi年nian要yao進jin行xing二er次ci,春chun季ji修xiu剪jian要yao結jie合he疏shu花hua疏shu果guo進jin行xing,秋qiu季ji修xiu剪jian要yao結jie合he采cai果guo後hou做zuo好hao樹shu形xing樹shu冠guan的de修xiu剪jian,把ba過guo於yu生sheng長chang優you勢shi的de枝zhi條tiao回hui縮suo(指初產樹),把ba樹shu冠guan內nei的de弱ruo枝zhi,剛gang采cai果guo後hou的de枝zhi茬cha,病bing蟲chong枝zhi,交jiao叉cha枝zhi修xiu剪jian掉diao,改gai善shan樹shu冠guan內nei的de通tong風feng透tou氣qi,恢hui複fu龍long眼yan樹shu勢shi,自zi然ran調tiao節jie樹shu體ti內nei源yuan激ji素su平ping衡heng,保bao證zheng翌yi年nian龍long眼yan成cheng花hua率lv。
四、病蟲害防治。秋季氣溫適宜,要注意龍眼木虱、果蛀蟲、艾ai紋wen細xi蛾e等deng害hai蟲chong。蟲chong害hai防fang治zhi方fang法fa,在zai測ce報bao後hou幼you蟲chong盛sheng孵fu高gao峰feng期qi內nei,或huo在zai新xin梢shao萌meng發fa初chu期qi,組zu織zhi果guo農nong全quan麵mian藥yao劑ji防fang治zhi噴pen殺sha。結jie合he防fang治zhi其qi他ta害hai蟲chong,采cai用yong①20%滅掃利2000倍或10%百滅可2000倍液噴殺;②2.5%敵殺死2000倍液噴殺,每隔15天噴一次,直至新梢老熟為止。鬼掃病要采取對病枝深度修剪,同時要加強水肥管理,培養粗壯芽梢。
五、改gai造zao低di產chan果guo園yuan。秋qiu季ji氣qi溫wen回hui落luo,龍long眼yan根gen係xi活huo力li增zeng強qiang,這zhe時shi要yao對dui低di產chan果guo園yuan和he失shi管guan果guo園yuan進jin行xing護hu穴xue改gai土tu,增zeng施shi有you機ji肥fei料liao,改gai善shan果guo園yuan土tu壤rang結jie構gou,增zeng加jia土tu壤rang的de通tong氣qi、保水、保肥能力、增強土壤肥力。除施足氮、磷、鉀(jia)肥(fei)外(wai),還(hai)要(yao)施(shi)其(qi)他(ta)龍(long)眼(yan)生(sheng)長(chang)所(suo)需(xu)的(de)微(wei)量(liang)元(yuan)素(su)肥(fei)料(liao),微(wei)量(liang)元(yuan)素(su)以(yi)根(gen)外(wai)噴(pen)施(shi)為(wei)主(zhu),以(yi)保(bao)證(zheng)龍(long)眼(yan)各(ge)個(ge)時(shi)期(qi)生(sheng)長(chang)發(fa)育(yu)需(xu)要(yao)。同(tong)時(shi)要(yao)疏(shu)鬆(song)土(tu)壤(rang),更(geng)新(xin)龍(long)眼(yan)毛(mao)根(gen),提(ti)高(gao)根(gen)係(xi)活(huo)力(li),複(fu)壯(zhuang)龍(long)眼(yan)樹(shu)勢(shi),培(pei)養(yang)強(qiang)壯(zhuang)的(de)結(jie)果(guo)母(mu)枝(zhi),為(wei)翌(yi)年(nian)的(de)結(jie)果(guo)打(da)下(xia)良(liang)好(hao)基(ji)礎(chu)。
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