1、深翻土壤、增zeng施shi農nong家jia肥fei。深shen翻fan是shi消xiao除chu土tu壤rang板ban結jie,增zeng加jia活huo土tu層ceng的de基ji礎chu。在zai深shen翻fan的de同tong時shi,大da量liang施shi入ru農nong家jia肥fei,不bu僅jin可ke以yi提ti供gong給gei作zuo物wu長chang效xiao多duo元yuan素su的de營ying養yang,同tong時shi還hai可ke以yi改gai良liang土tu壤rang結jie構gou,提ti高gao土tu壤rang的de理li化hua性xing能neng,為wei蔬shu菜cai的de生sheng長chang提ti供gong具ju有you良liang好hao通tong透tou條tiao件jian和he緩huan衝chong能neng力li強qiang的de土tu壤rang條tiao件jian。
2、peiyuduogenmiaohehuhaomiaogen。duoshushucaidejibengenxishizaiyumiaoqixingchengde。yumiaoqijian,peiyugenxifadadeyangmiao,bingzaiyumiaoguochengzhongheyizaidingzhishibaohuhaozhexiegenqun,bujinyouliyuhuanmiaoshengchang,erqieduiyihoudeshengchangfayuyouzhongyaodezuoyong。conghugendejiaodulaikan,caiyongyingyangbo、塑料桶或紙袋等容器育苗是非常必要的。育苗期間“囤苗”定植後“蹲苗”,都可以誘發新根的發生和深紮。
3、配方科學施肥。不同的肥料對根係的發展的作用是不一樣的,如:鈣直接影響根尖分生組織的成長,鋅決定根尖的生長速度,磷能促進根係細胞的分裂、增zeng殖zhi和he伸shen展zhan。了le解jie這zhe個ge道dao理li,不bu論lun苗miao床chuang施shi肥fei,還hai是shi栽zai培pei地di施shi肥fei都dou要yao注zhu意yi施shi用yong過guo磷lin酸suan鈣gai和he硫liu酸suan鋅xin。如ru果guo在zai過guo磷lin酸suan鈣gai肥fei料liao中zhong摻chan入ru一yi定ding數shu量liang的de食shi用yong醋cu,可ke以yi形xing成cheng具ju有you一yi定ding溶rong解jie度du的de醋cu酸suan鈣gai,增zeng強qiang了le作zuo物wu對dui鈣gai的de吸xi收shou。
4、注意保護好根係。根係在其生命過程中會因低溫、高溫、積鹽、肥(fei)燒(shao)和(he)機(ji)械(xie)損(sun)傷(shang)而(er)受(shou)到(dao)傷(shang)害(hai)。低(di)地(di)溫(wen)下(xia),根(gen)係(xi)會(hui)發(fa)生(sheng)寒(han)根(gen)和(he)漚(ou)根(gen),高(gao)溫(wen)會(hui)使(shi)根(gen)係(xi)過(guo)快(kuai)地(di)衰(shuai)老(lao)。土(tu)壤(rang)的(de)高(gao)溶(rong)液(ye)濃(nong)度(du)會(hui)使(shi)根(gen)尖(jian)和(he)根(gen)毛(mao)受(shou)到(dao)損(sun)傷(shang)和(he)抑(yi)製(zhi),使(shi)根(gen)係(xi)的(de)吸(xi)收(shou)能(neng)力(li)大(da)大(da)降(jiang)低(di),施(shi)肥(fei)不(bu)當(dang)或(huo)不(bu)適(shi)宜(yi)的(de)中(zhong)耕(geng)鬆(song)土(tu)可(ke)能(neng)會(hui)直(zhi)接(jie)使(shi)根(gen)係(xi)受(shou)到(dao)損(sun)傷(shang),因(yin)此(ci)在(zai)棚(peng)室(shi)蔬(shu)菜(cai)生(sheng)產(chan)中(zhong),在(zai)深(shen)翻(fan)改(gai)土(tu)增(zeng)施(shi)有(you)機(ji)肥(fei)的(de)基(ji)礎(chu)上(shang),適(shi)時(shi)種(zhong)植(zhi)、適期定植(播種)、實適覆蓋和揭除地膜,科學施肥和耕鬆土等,這些都是保護根係的必要措施。
5、伺(si)機(ji)促(cu)進(jin)根(gen)係(xi)的(de)恢(hui)複(fu)。在(zai)棚(peng)室(shi)蔬(shu)菜(cai)長(chang)期(qi)栽(zai)培(pei)中(zhong)經(jing)曆(li)一(yi)定(ding)時(shi)間(jian)或(huo)在(zai)遭(zao)受(shou)低(di)溫(wen)等(deng)不(bu)良(liang)環(huan)境(jing)後(hou),為(wei)了(le)盡(jin)快(kuai)促(cu)進(jin)根(gen)係(xi)的(de)恢(hui)複(fu),一(yi)般(ban)都(dou)要(yao)伺(si)機(ji)灌(guan)用(yong)藥(yao)劑(ji)或(huo)鈣(gai)、磷、鋅複合肥。
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