茶樹遭受濕害的表現是:吸(xi)收(shou)根(gen)少(shao),側(ce)根(gen)短(duan)小(xiao),根(gen)層(ceng)淺(qian),有(you)些(xie)側(ce)根(gen)不(bu)是(shi)向(xiang)下(xia)伸(shen)展(zhan)而(er)是(shi)向(xiang)水(shui)平(ping)方(fang)向(xiang)伸(shen)展(zhan),甚(shen)至(zhi)向(xiang)上(shang)伸(shen)。嚴(yan)重(zhong)受(shou)澇(lao)的(de)輸(shu)導(dao)根(gen)的(de)皮(pi)不(bu)是(shi)呈(cheng)棕(zong)紅(hong)色(se)而(er)是(shi)呈(cheng)黑(hei)色(se),不(bu)光(guang)滑(hua),有(you)許(xu)多(duo)小(xiao)的(de)突(tu)起(qi)。地(di)上(shang)部(bu)分(fen)枝(zhi)少(shao),芽(ya)葉(ye)稀(xi),生(sheng)長(chang)緩(huan)慢(man)以(yi)至(zhi)停(ting)止(zhi)生(sheng)長(chang),枝(zhi)條(tiao)發(fa)白(bai),葉(ye)色(se)黃(huang),樹(shu)矮(ai),長(chang)勢(shi)弱(ruo),多(duo)病(bing),產(chan)量(liang)低(di),品(pin)質(zhi)差(cha)。受(shou)害(hai)的(de)先(xian)後(hou)順(shun)序(xu)是(shi):shenchudexigenxianshouhai,shaohou,jiaoqiandexigenyekaishishoushang,cugenbiaomianbianhei,jierxigenkaishifulan,cugenneibubianhei,zuihoucugenquanbukusi。youyugenxishouhai,shiquxishoushuifendenengli,yingxiangzhizhudishangbufendeshengminghuodong,zuichubiaoxianweinenyeshiquguangzebianhuang,jineryajiandichuiweisuo,zuihouchengyeshiquguangzeerdiaoweituoluo。ruguodengdaodishangbubiaoxianmingxiandeshouhaizhengzhuangzaijinxingpailao,zechangchangyindixiagenxiyishoudaoyanzhongsunhai,erwufawanjiu。
茶cha樹shu濕shi害hai的de嚴yan重zhong程cheng度du與yu土tu壤rang過guo濕shi持chi續xu的de時shi間jian長chang短duan密mi切qie有you關guan。可ke以yi根gen據ju土tu壤rang過guo濕shi的de日ri數shu和he地di上shang部bu的de症zheng狀zhuang,判pan斷duan地di下xia根gen受shou害hai程cheng度du,及ji時shi采cai取qu排pai澇lao措cuo施shi。
茶樹濕害多發生在山麓的積水地帶,所以應根據濕害的成因,采取相應措施,如打破透氣層,平整土地,開明溝、暗溝等。
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