“現xian在zai正zheng是shi甜tian瓜gua上shang市shi季ji節jie,價jia格ge也ye不bu錯cuo,想xiang不bu到dao好hao好hao的de甜tian瓜gua,不bu知zhi為wei什shen麼me長chang著zhe長chang著zhe就jiu裂lie了le。現xian在zai一yi個ge大da甜tian瓜gua就jiu能neng賣mai七qi八ba塊kuai錢qian,可ke裂lie的de瓜gua沒mei有you人ren要yao。”濟ji陽yang縣xian徐xu家jia灣wan村cun一yi姓xing劉liu的de瓜gua農nong告gao訴su筆bi者zhe。通tong過guo調tiao查zha了le解jie,裂lie瓜gua多duo的de農nong戶hu多duo數shu最zui近jin澆jiao水shui比bi較jiao多duo。筆bi者zhe在zai大da棚peng裏li發fa現xian,由you於yu現xian在zai正zheng是shi高gao溫wen季ji節jie,有you時shi中zhong午wu溫wen度du在zai37度以上,有的還達到40du。youyushougaowenyingxiang,youqishizhongwutianguayepianzhengtengshuifenguokuai,tianguarongyifashengshenglixingshishui,chuxianweinian。faxiantianguachuxianweinianzhengzhuang,guanongjiyujiaoshui,youyutianguajiejinchengshuqi,shuifenturanzengda,henrongyiyinqileliegua,zheshizaochengdangqiantiangualieguodezhuyaoyuanyin。
lieguahaiyouyigeyuanyin,jiushitianguashengchangqianqinongmindanxinshuifenguoduoyinqiguayangtuchang,suoyidoujiaoshuibuduo,youqishizaitianguadepengdaqiqueshui,tianguaguoshizaiqueshuideqingkuangxiabiaomianhenrongyilaohua,erdaolehouqi,youjiaoshuiguoduo,neibufayuguokuaiyerongyiyinqiliegua。youshi,baohudizaipeidetianguazaitongfenghuanqishi,biaopiyudaolengfengrongyiyinghua,yenengyinqiliegua。 在zai走zou訪fang調tiao查zha時shi我wo們men還hai發fa現xian,前qian期qi噴pen施shi膨peng大da素su的de甜tian瓜gua,由you於yu使shi用yong濃nong度du不bu科ke學xue也ye會hui引yin起qi裂lie瓜gua。針zhen對dui近jin期qi出chu現xian的de甜tian瓜gua裂lie瓜gua這zhe一yi問wen題ti,建jian議yi農nong民min朋peng友you采cai取qu以yi下xia解jie決jue辦ban法fa:
1.合理澆水,注意澆水時期和澆水量。一方麵要及時澆好膨瓜水,促進甜瓜果實膨大;另一方麵在澆膨瓜水後,不要一次澆水過大,尤其是在采摘前10天左右盡量不要澆水,防止裂瓜。
2.慎shen重zhong使shi用yong膨peng大da劑ji。瓜gua農nong在zai甜tian瓜gua花hua期qi都dou有you使shi用yong植zhi物wu生sheng長chang調tiao節jie劑ji如ru使shi用yong氯lv吡bi脲niao蘸zhan花hua的de習xi慣guan,一yi般ban不bu需xu要yao再zai使shi用yong膨peng大da素su。甜tian瓜gua生sheng長chang發fa育yu有you它ta自zi身shen的de規gui律lv,隻zhi要yao管guan理li得de法fa,肥fei水shui使shi用yong得de當dang,即ji便bian不bu使shi用yong膨peng大da劑ji一yi類lei的de激ji素su,都dou可ke以yi正zheng常chang生sheng長chang。
3.科學施肥。在甜瓜生長中後期及時追肥,滿足甜瓜中後期生長的需肥要求。適當增加鈣肥和硼肥。
4.保護葉片。注意保護果實附近的葉片,利用它們為果實遮擋陽光,避免因陽光直射引起果皮過早老化而出現裂果。可在果實上蓋草、蓋葉,防止果皮硬化。
5.噴施微量元素。坐瓜後,結合澆水,用0.3%的氯化鈣和0.12%-0.25%的硼酸溶液進行葉麵噴施,每隔7天噴一次,連噴2-3次,以補充微量元素的不足。
手機版




