慈姑如何進行中耕除草?
慈姑中耕一般在植株有6-7片(pian)葉(ye)時(shi)開(kai)始(shi),直(zhi)到(dao)抽(chou)生(sheng)匍(pu)匐(fu)莖(jing)時(shi)結(jie)束(shu),以(yi)免(mian)踩(cai)傷(shang)匍(pu)匐(fu)莖(jing)。中(zhong)耕(geng)應(ying)結(jie)合(he)除(chu)草(cao),把(ba)田(tian)間(jian)雜(za)草(cao)和(he)枯(ku)黃(huang)葉(ye),以(yi)及(ji)匍(pu)匐(fu)莖(jing)形(xing)成(cheng)的(de)分(fen)株(zhu)清(qing)除(chu),埋(mai)入(ru)泥(ni)中(zhong)。一(yi)般(ban)中(zhong)耕(geng)3次,種植較遲的,中耕一次也可。

在慈姑生(sheng)長(chang)後(hou)期(qi),即(ji)要(yao)對(dui)留(liu)種(zhong)田(tian)進(jin)行(xing)片(pian)選(xuan)或(huo)株(zhu)選(xuan)。選(xuan)擇(ze)生(sheng)長(chang)健(jian)壯(zhuang),基(ji)本(ben)無(wu)病(bing)蟲(chong)害(hai),不(bu)抽(chou)苔(tai)開(kai)花(hua)的(de)田(tian)塊(kuai)或(huo)單(dan)株(zhu)作(zuo)為(wei)種(zhong)株(zhu)。球(qiu)莖(jing)收(shou)獲(huo)後(hou)再(zai)選(xuan)擇(ze)球(qiu)莖(jing)符(fu)合(he)本(ben)品(pin)種(zhong)的(de)形(xing)態(tai)特(te)征(zheng),大(da)小(xiao)適(shi)中(zhong),頂(ding)芽(ya)粗(cu)壯(zhuang)而(er)又(you)比(bi)較(jiao)彎(wan)曲(qu)的(de)留(liu)種(zhong)。

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