1.jiaqiangtongfeng，jiangdipengwen。cainongzaizhongzhiyuexiashucaishi
，weilebimianpengneishucaichuxiangaowenzhangai

，yaozhuyijiangdapengdeshangxiafangfengkouquanbudakai，rangpengwaidelengkongqijinrupengneihou
，yupengneiderekongqixingchengduiliu，yijiasurekongqidepaichu，congeryouliyupengneiwendudejiangdi。xuyaotixingcainongzhuyideshi，zaifangfengshi，yaozaifangfengkoudexiafangshezhidangfengmo，yifanglengfengzhichuidaoshucaideguomianshang，daozhiguoshichuxiancunpi、裂口等。

        2.使shi用yong遮zhe陽yang網wang降jiang溫wen。當dang通tong過guo放fang風feng方fang法fa還hai不bu能neng將jiang棚peng內nei溫wen度du控kong製zhi在zai適shi宜yi蔬shu菜cai生sheng長chang的de要yao求qiu範fan圍wei之zhi內nei時shi
，菜cai農nong最zui好hao使shi用yong遮zhe陽yang網wang遮zhe陽yang降jiang溫wen。菜cai農nong應ying在zai上shang午wu棚peng內nei溫wen度du接jie近jin適shi宜yi蔬shu菜cai生sheng長chang的de最zui高gao溫wen度du時shi將jiang遮zhe陽yang網wang放fang下xia，在zai下xia午wu棚peng內nei溫wen度du低di於yu適shi宜yi蔬shu菜cai生sheng長chang的de最zui高gao溫wen度du時shi將jiang遮zhe陽yang網wang卷juan起qi即ji可ke，但dan是shi要yao注zhu意yi在zai將jiang遮zhe陽yang網wang放fang下xia時shi不bu能neng擋dang住zhu放fang風feng口kou。在zai選xuan購gou遮zhe陽yang網wang時shi，菜cai農nong可ke以yi選xuan購gou遮zhe光guang率lv在zai60%左右的，因為這種遮陽網即能起到遮光降溫，預防日灼果的作用
，又能讓部分光線照射到大棚內部
，有利於蔬菜葉片光合作用的提高。

        3.中zhong午wu噴pen霧wu降jiang溫wen。在zai夏xia季ji中zhong午wu時shi，因yin為wei棚peng內nei溫wen度du較jiao高gao，葉ye片pian蒸zheng發fa量liang大da
，根gen係xi吸xi收shou的de水shui分fen不bu能neng滿man足zu蔬shu菜cai蒸zheng騰teng作zuo用yong的de需xu要yao，而er使shi西xi紅hong柿shi葉ye片pian出chu現xian上shang卷juan現xian象xiang。菜cai農nong可ke以yi在zai棚peng內nei安an裝zhuang微wei噴pen頭tou噴pen霧wu的de方fang式shi來lai降jiang低di棚peng溫wen，這zhe樣yang做zuo還hai能neng起qi到dao增zeng加jia棚peng內nei空kong氣qi濕shi度du
，預yu防fang蔬shu菜cai花hua柱zhu柱zhu頭tou幹gan燥zao
，促cu進jin授shou粉fen，預yu防fang蔬shu菜cai落luo花hua落luo果guo的de作zuo用yong。

        4.菜農還可像棚內蔬菜葉片上噴灑甲殼素、氨基酸、海藻酸等葉麵肥的方法，促進蔬菜健壯生長，提高其對高溫的抗逆性。