最zui近jin,山shan東dong青qing州zhou市shi何he官guan鎮zhen的de棚peng室shi西xi葫hu蘆lu出chu現xian較jiao多duo的de尖jian頭tou瓜gua,但dan是shi卻que不bu知zhi道dao是shi什shen麼me原yuan因yin造zao成cheng的de。筆bi者zhe通tong過guo調tiao查zha得de知zhi,導dao致zhi西xi葫hu蘆lu產chan生sheng尖jian頭tou瓜gua主zhu要yao有you三san個ge:
shouxian,cainongliuguaguoduo。yinweiqianyiduanshijiantianqiqinghao,xihuluchangshijiaowang,yushicainongjiuanzhaomeipianyeliuquyizhigua,xiwangtongguoyiguokongke,jieguodaozhiguatiaoguoduo,duiyingyangdezhengduojilie,congershidedaliangdeguatiaoyinyingyanggongyingbuzuerchengweijiantougua。bizhejianyi,cainongzailiuguashiyinggaigenjuzhizhudechangshishidangliuqu,duiyushengchangjianzhuangdezhizhuyibanmeizhuliuqu4~5支瓜即可,切不可一葉一瓜。
其(qi)次(ci),肥(fei)水(shui)不(bu)合(he)理(li)。適(shi)當(dang)增(zeng)加(jia)化(hua)肥(fei)的(de)用(yong)量(liang),不(bu)能(neng)因(yin)為(wei)菜(cai)價(jia)較(jiao)低(di)而(er)減(jian)少(shao)肥(fei)料(liao)的(de)使(shi)用(yong)量(liang),導(dao)致(zhi)西(xi)葫(hu)蘆(lu)營(ying)養(yang)供(gong)應(ying)不(bu)良(liang),尖(jian)頭(tou)瓜(gua)增(zeng)多(duo),一(yi)般(ban)按(an)照(zhao)每(mei)畝(mu)衝(chong)施(shi)高(gao)鉀(jia)肥(fei)料(liao)30千克左右即可。同時在西葫蘆結瓜期,不能大量澆水,更不能忽幹忽濕,以免澆水後根係受傷,影響根係對肥料的吸收。
再次,溫濕度不適宜。西葫蘆結瓜期晝夜溫差要大,結瓜期白天溫度最好不要超過23℃,夜間溫度控製在13℃左右為宜。同時還要注意將植株下部的老葉疏除(打葉要留柄),以加強通風,排出濕氣,避免發生病害,影響葉片的光合效率,導致尖頭瓜的產生。
手機版




