1.增zeng施shi有you機ji肥fei,改gai善shan土tu壤rang環huan境jing。有you機ji肥fei不bu僅jin含han有you豐feng富fu的de果guo樹shu生sheng長chang所suo需xu的de元yuan素su,能neng向xiang土tu壤rang補bu充chong一yi定ding的de鈣gai,還hai對dui土tu壤rang微wei生sheng物wu的de活huo動dong提ti供gong能neng源yuan和he營ying養yang源yuan,加jia速su微wei生sheng物wu的de繁fan殖zhi,促cu進jin礦kuang物wu質zhi轉zhuan化hua,補bu充chong各ge種zhong養yang分fen。有you機ji肥fei還hai可ke以yi促cu進jin土tu壤rang團tuan粒li結jie構gou的de形xing成cheng,提ti高gao土tu壤rang的de緩huan衝chong能neng力li,減jian輕qing離li子zi間jian拮jie抗kang和he毒害作用,使各種離子互不幹擾,同時還可以提高土壤的保肥保水能力,減少化肥流失。
2.均(jun)衡(heng)營(ying)養(yang),互(hu)不(bu)幹(gan)擾(rao)。蘋(ping)果(guo)所(suo)需(xu)的(de)各(ge)種(zhong)營(ying)養(yang)元(yuan)素(su)都(dou)是(shi)同(tong)等(deng)重(zhong)要(yao)不(bu)可(ke)代(dai)替(ti)的(de),而(er)且(qie)各(ge)種(zhong)元(yuan)素(su)之(zhi)間(jian)存(cun)在(zai)著(zhe)離(li)子(zi)拮(jie)抗(kang)作(zuo)用(yong)。例(li)如(ru)生(sheng)產(chan)上(shang)連(lian)續(xu)過(guo)量(liang)地(di)施(shi)用(yong)氮(dan)肥(fei),就(jiu)導(dao)致(zhi)缺(que)鈣(gai),引(yin)發(fa)苦(ku)痘(dou)病(bing),因(yin)此(ci)要(yao)通(tong)過(guo)測(ce)土(tu)施(shi)肥(fei),結(jie)合(he)蘋(ping)果(guo)需(xu)肥(fei)量(liang)和(he)比(bi)例(li),缺(que)什(shen)麼(me)補(bu)什(shen)麼(me),平(ping)衡(heng)施(shi)肥(fei),均(jun)衡(heng)營(ying)養(yang),使(shi)土(tu)壤(rang)中(zhong)各(ge)種(zhong)養(yang)分(fen)含(han)量(liang)正(zheng)合(he)蘋(ping)果(guo)的(de)需(xu)要(yao),既(ji)增(zeng)加(jia)了(le)產(chan)量(liang),又(you)互(hu)不(bu)拮(jie)抗(kang)。一(yi)般(ban)結(jie)果(guo)大(da)樹(shu)每(mei)生(sheng)產(chan)百(bai)公(gong)斤(jin)果(guo)吸(xi)收(shou)純(chun)氮(dan)、磷、鉀的數量為1.12公斤、0.48公斤、1公斤及適量微量元素,這樣基本能滿足蘋果正常生長發育。
3.缺鈣補鈣,重點調整。對已發生苦痘病的果園,隻有專門進行調整,才能達到明顯效果。一是生長期防治。使用品種是硝酸鈣、氨基酸鈣。使用方法和時期是根據蘋果吸鈣規律,花後3~6周是蘋果需鈣高峰期,在蘋果開花前後把硝酸鈣撒施淺鋤澆水,並於花後連噴3次300倍液的氨基酸鈣。果實近成熟時的9月底至10月份又是一個需鈣小高峰,噴兩次300倍液的氨基酸鈣。二是貯藏期防治,在貯藏時,用600倍(bei)液(ye)氯(lv)化(hua)鈣(gai)水(shui)溶(rong)液(ye)淋(lin)浴(yu)果(guo)實(shi),對(dui)貯(zhu)藏(zang)後(hou)期(qi)苦(ku)痘(dou)病(bing)症(zheng)狀(zhuang)的(de)出(chu)現(xian)也(ye)有(you)一(yi)定(ding)控(kong)製(zhi)作(zuo)用(yong)。通(tong)過(guo)以(yi)上(shang)補(bu)鈣(gai)調(tiao)整(zheng),苦(ku)痘(dou)病(bing)發(fa)生(sheng)嚴(yan)重(zhong)的(de)園(yuan)基(ji)本(ben)得(de)到(dao)控(kong)製(zhi)。
4.jianshaofuzai,jizhonggonggai。jianshaofuzailiangyeshijianqingkudoubingdeyouxiaocuoshizhiyi,yinweijinjinianguonongpubianzhuiqiugaochan,henduoguoyuanzaiwanjinyishang,guoshicongturangzhongdaizoudalianggaisu,eryouyushichangshangzhuanyonggaifeibuduo,jinkaoyemianzhuifeibuchonglianghenshao,nanyimanzupingguoxuqiu,yinci,jianshaofuzailiangjiushixiangduijianshaogaifeidexuqiuliang,haiyouliyushengchangaodangguo。shengguoqishumeimuyibanchanliangyingkongzhizai2000~2500公斤,不應突破3000公斤。
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