杏xing樹shu是shi春chun季ji開kai花hua最zui早zao的de果guo樹shu,而er且qie是shi先xian花hua後hou葉ye,花hua器qi形xing成cheng需xu用yong的de營ying養yang物wu質zhi靠kao前qian一yi年nian秋qiu季ji樹shu體ti的de積ji累lei來lai完wan成cheng,所suo以yi秋qiu季ji管guan理li好hao對dui翌yi春chun的de開kai花hua坐zuo果guo起qi著zhe舉ju足zu輕qing重zhong的de作zuo用yong。杏園的秋管應抓好以下三項:
一、疏(shu)技(ji)與(yu)短(duan)截(jie)。杏(xing)樹(shu)是(shi)強(qiang)喜(xi)光(guang)樹(shu)種(zhong),自(zi)身(shen)生(sheng)長(chang)非(fei)常(chang)旺(wang)盛(sheng),很(hen)容(rong)易(yi)形(xing)成(cheng)競(jing)爭(zheng)生(sheng)長(chang)而(er)使(shi)結(jie)果(guo)部(bu)位(wei)外(wai)移(yi),這(zhe)對(dui)形(xing)成(cheng)壯(zhuang)花(hua)和(he)結(jie)果(guo)十(shi)分(fen)不(bu)利(li),所(suo)以(yi)應(ying)在(zai)采(cai)果(guo)後(hou)秋(qiu)管(guan)中(zhong),對(dui)結(jie)果(guo)樹(shu)以(yi)疏(shu)為(wei)主(zhu),采(cai)取(qu)抽(chou)大(da)枝(zhi)、yadishugaoshishiduanjieweizhudexiujianfangfa,cujinxiabujineitangchoufaxinzhi,xingchengduanguozhihehuashuzhuangguozhi。dangran,zaishudetongshiyaozhuyiduisuobaoliudezhuzhibaozhengjunyunfenbudakaiguanglu,duigebiekeliuerjiaozhilidezhitiaocaiyongla、墜、別、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。秋季可對杏園每畝追施速效氮肥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、防(fang)蟲(chong)與(yu)保(bao)葉(ye)。葉(ye)片(pian)是(shi)果(guo)樹(shu)製(zhi)造(zao)營(ying)養(yang)的(de)工(gong)廠(chang),完(wan)整(zheng)厚(hou)實(shi)的(de)葉(ye)片(pian)是(shi)杏(xing)樹(shu)結(jie)果(guo)的(de)保(bao)證(zheng),一(yi)般(ban)不(bu)引(yin)起(qi)人(ren)們(men)注(zhu)意(yi),伏(fu)天(tian)炎(yan)熱(re)加(jia)之(zhi)秋(qiu)旱(han)時(shi)有(you)發(fa)生(sheng),容(rong)易(yi)招(zhao)惹(re)紅(hong)蜘(zhi)蛛(zhu)危(wei)害(hai)蔓(man)延(yan),或(huo)晚(wan)秋(qiu)連(lian)續(xu)陰(yin)雨(yu),容(rong)易(yi)引(yin)發(fa)落(luo)葉(ye)病(bing)害(hai),致(zhi)使(shi)花(hua)芽(ya)分(fen)化(hua)不(bu)良(liang),可(ke)及(ji)時(shi)用(yong)噠(da)蟎(man)靈(ling)或(huo)多(duo)菌(jun)靈(ling)、甲托等農藥混合噴布防病蟲,保護葉片。另外,加噴0.3%尿素對樹體更有好處。
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