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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