最近一段時間外界氣溫雖低,但光照條件較好,因此棚內白天溫度較高,可達30℃yishang,shucaishengchangwangsheng。bushaocainongfanying,jinlaidapenglideshucaichuxianlewangchang。weishagangjingguoyiduanshijiandejiangwenhelianyintian,shucaizhemekuaijiuchuxianlewangchangne?
記ji者zhe經jing過guo了le解jie發fa現xian,由you於yu前qian一yi段duan時shi間jian的de特te殊shu天tian氣qi導dao致zhi蔬shu菜cai出chu現xian了le點dian不bu住zhu花hua或huo坐zuo住zhu的de果guo成cheng僵jiang果guo的de現xian象xiang,這zhe導dao致zhi棵ke子zi上shang沒mei有you正zheng常chang生sheng長chang的de果guo來lai消xiao耗hao營ying養yang,因yin此ci植zhi株zhu白bai天tian光guang合he作zuo用yong積ji累lei的de營ying養yang多duo用yong於yu植zhi株zhu自zi身shen莖jing葉ye的de生sheng長chang。這zhe是shi其qi一yi。其qi二er是shi,棚peng裏li夜ye溫wen太tai高gao。最zui近jin一yi段duan時shi間jian由you於yu外wai界jie氣qi溫wen較jiao低di,不bu少shao菜cai農nong又you擔dan心xin棚peng內nei夜ye溫wen保bao不bu住zhu,因yin此ci下xia午wu放fang草cao苫shan子zi時shi,保bao持chi棚peng裏li20℃以上的氣溫,導致棚裏夜溫偏高,植株夜間呼吸作用旺盛,莖葉旺長。
duici,jianyicainongpengyou,tianqiqinghaoshi,zhuyiladazhouyewencha,fangwangchang,cujinzhizhushengchangjianzhuang,cujinhuayafenhua,rangzhizhujinkuaizuozhuxiachaguo。baitian,kebaochipengneijiaogaodewenducujinguanghezuoyongdejinxing,yejianweichijiaodidewendujianshaoyingyangwuzhidexiaohao。yibantianjiaobaochibaitian25-28℃,夜間16-20℃;西紅柿24-28℃,夜間15-18℃;茄子白天25-30℃,夜間14-20℃;黃瓜24-30℃,夜間13-18℃;西葫蘆18-24℃,夜間8-13℃……保持溫差在10-15℃即可。
手機版




