近年來,隨著大棚下挖深度的增加,大棚前臉處土壤坍塌現象越來越普遍。
記者就此特地采訪了一些有經驗的菜農,據這些菜農介紹,大棚前臉處土壤坍塌的主要原因是此處滲進了雨水、雪xue水shui或huo棚peng膜mo上shang彙hui流liu於yu此ci的de露lu水shui,水shui長chang期qi的de浸jin潤run下xia,此ci處chu土tu壤rang牢lao固gu性xing很hen差cha,發fa生sheng坍tan塌ta也ye就jiu在zai所suo難nan免mian了le。那na麼me,如ru何he解jie決jue好hao這zhe個ge問wen題ti呢ne?記ji者zhe總zong結jie了le幾ji點dian預yu防fang大da棚peng前qian臉lian處chu土tu壤rang坍tan塌ta的de措cuo施shi,供gong菜cai農nong朋peng友you參can考kao。
首shou先xian,棚peng前qian外wai側ce的de地di麵mian應ying整zheng成cheng北bei高gao南nan低di。為wei使shi雨yu水shui和he雪xue水shui能neng順shun利li從cong此ci處chu流liu走zou,菜cai農nong在zai建jian好hao棚peng後hou,須xu將jiang此ci處chu的de土tu壤rang整zheng成cheng北bei高gao南nan低di。這zhe樣yang,下xia雨yu下xia雪xue後hou,雨yu水shui和he雪xue水shui就jiu不bu可ke能neng在zai此ci滯zhi留liu、下滲,大棚前臉處的土壤受到的影響也就減小。
qici,zaipengqianwaicededimianshangfugaibomo。weibimianyushuixiashen,zaijiangdimianzhengchengbeigaonandideqiantixia,zuihaozaizaishangmianfugaiyicengjiupengmo,zheyanggengbaoxianyixie。youqishizaipengqianshezhilefanghangoudedapeng,ruocichubaohubuhao,daozhiyushuixiashen,bujinhuizaochengfanghangoubufanghan,haijirongyijiajupengqianlianchuturangtanta。yinci,zaipengqianwaicedetumianshangpushebomofeichangbiyao。
再zai是shi要yao注zhu意yi將jiang彙hui聚ju到dao大da棚peng前qian臉lian處chu的de流liu滴di引yin流liu到dao其qi他ta地di方fang。大da棚peng前qian臉lian內nei側ce的de土tu壤rang,是shi棚peng膜mo上shang的de露lu珠zhu彙hui流liu之zhi處chu,會hui造zao成cheng此ci處chu濕shi度du較jiao大da,更geng容rong易yi造zao成cheng該gai處chu土tu壤rang坍tan塌ta,誘you發fa病bing害hai。因yin此ci,菜cai農nong一yi定ding要yao采cai取qu措cuo施shi,將jiang彙hui流liu下xia來lai的de流liu滴di引yin流liu到dao其qi他ta地di方fang。如ru用yong舊jiu水shui帶dai做zuo成cheng空kong中zhong水shui渠qu引yin流liu就jiu是shi一yi個ge好hao辦ban法fa,本ben報bao以yi前qian曾zeng多duo次ci報bao道dao過guo。
另外,大棚前臉內側的土壤菜農應將其修整成斜坡,如果垂直設置,則很容易坍塌。
手機版




