溫度管理:
中(zhong)旬(xun)出(chu)現(xian)的(de)持(chi)續(xu)高(gao)溫(wen)的(de)天(tian)氣(qi)和(he)連(lian)續(xu)陰(yin)雨(yu)天(tian)氣(qi),對(dui)秋(qiu)茬(cha)栽(zai)培(pei)的(de)蔬(shu)菜(cai)幼(you)苗(miao)形(xing)成(cheng)較(jiao)大(da)的(de)威(wei)脅(xie)。持(chi)續(xu)的(de)高(gao)溫(wen)天(tian)氣(qi),不(bu)但(dan)影(ying)響(xiang)幼(you)苗(miao)的(de)正(zheng)常(chang)生(sheng)長(chang),造(zao)成(cheng)生(sheng)長(chang)點(dian)萎(wei)焉(yan)、生長停滯等不正常的生長狀態,並且高溫條件容易影響幼苗的花芽分化,導致前期落花、落果和畸形果比例較高,使前期產量大大降低。
各大類蔬菜的管理:
茄果類蔬菜:茄果類蔬菜在高溫高濕條件下,容易出現徒長和發生苗期病害(猝倒病、立枯病和莖基腐病)。管guan理li過guo程cheng中zhong,要yao做zuo到dao控kong溫wen控kong水shui,注zhu意yi上shang好hao遮zhe陽yang網wang和he防fang蟲chong網wang。定ding植zhi後hou,注zhu意yi控kong製zhi澆jiao水shui量liang,澆jiao水shui做zuo到dao小xiao水shui勤qin澆jiao,見jian幹gan見jian濕shi,防fang止zhi濕shi度du過guo大da,感gan染ran苗miao期qi病bing害hai。在zai出chu現xian苗miao期qi病bing害hai後hou,可ke以yi用yong惡e黴mei靈ling500倍液或根腐康600倍液+生根壯苗劑或豐收一號灌根治療;也可以通過衝施防病型健之寶,每畝用量40~60公斤。
gualeishucaizheduanshijiandeguanli,zhuyaoshikongzhichangshihetigaochanliang。zaiguanliguochengzhong,zhuyikongwenkongshui,fangzhigualeishucaizaigaowengaoshitiaojianxia,chuxianwangchanghedaozhihuagua。zaiyejian,yingjiaqiangyewenkongzhi,jiadatongfengliang,jiaqiangyangfendezhuanhuaheyunshu。feiliaoshiyongshi,zhuyipianshijiafei,tigaochanliang。
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