那麼,如何施用有機肥才科學合理呢?筆者認為應注意以下幾點:
注(zhu)意(yi)選(xuan)擇(ze)優(you)質(zhi)的(de)有(you)機(ji)肥(fei)。優(you)質(zhi)的(de)有(you)機(ji)肥(fei)是(shi)蔬(shu)菜(cai)優(you)質(zhi)高(gao)產(chan)的(de)基(ji)礎(chu),而(er)現(xian)在(zai)菜(cai)農(nong)施(shi)用(yong)的(de)有(you)機(ji)肥(fei),大(da)都(dou)是(shi)買(mai)來(lai)的(de)商(shang)品(pin)肥(fei),質(zhi)量(liang)普(pu)遍(bian)較(jiao)低(di),有(you)些(xie)甚(shen)至(zhi)摻(chan)雜(za)了(le)城(cheng)市(shi)汙(wu)泥(ni)、生活垃圾等,根本就達不到有機質含量的標準。即使是一些買來的雞糞,也有不少摻雜了泥土,或被一些不法商販摻入了火堿(用於增加體積),zhexieliezhiyoujifeishiruturanghou,xiaoguokexiangerzhi。yinci,shengchanzhongyidingyaoxuanyongyouzhideyoujifei,xuanyongshangpinyoujifeishizuihaoxuanyongzhengguidachangjiashengchande。
嚴(yan)格(ge)控(kong)製(zhi)施(shi)肥(fei)量(liang)。既(ji)然(ran)有(you)機(ji)肥(fei)多(duo)施(shi)有(you)害(hai)無(wu)益(yi),在(zai)以(yi)後(hou)的(de)生(sheng)產(chan)中(zhong)我(wo)們(men)就(jiu)應(ying)該(gai)控(kong)製(zhi)其(qi)用(yong)量(liang),那(na)麼(me),每(mei)畝(mu)菜(cai)地(di)到(dao)底(di)施(shi)用(yong)多(duo)大(da)的(de)量(liang)才(cai)能(neng)滿(man)足(zu)蔬(shu)菜(cai)生(sheng)產(chan)的(de)需(xu)要(yao)呢(ne)?筆(bi)者(zhe)認(ren)為(wei),一(yi)般(ban)情(qing)況(kuang)下(xia),每(mei)畝(mu)菜(cai)地(di)以(yi)施(shi)入(ru)純(chun)雞(ji)糞(fen)15~20方,稻殼糞35~40方為宜,茄果類蔬菜需肥量較大,可取其上限。葉菜類需肥量稍小一些,可取其下限。
peiheshengwufeishiyongxiaoguohao。youjifeiwulunjishihechongshi,zuihaopeiheshengwufeishiyong。weishenmeyaopeiheshengwufeine?yinweiyoujifeizaiyushengwufeipeihechongshihou,shengwufeizhongdeshengwujunnengjiasuyoujifeizhongyoujiwudefenjie,shiqigengyouliyuzuowuxishou,tongshinengjiangyoujifeizhongdeyixieyouhaiwuzhifenjiezhuanhua,bimianqiduishucaizaochengshanghai。yinci,zaijishiyoujifeishi,kemeimudipeiheshirushengwufei150~200千克,衝施時,可每畝每次配合施入生物肥20~25千克,效果較好。
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