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加快普及农作物播种技术得力于玻璃钢出水口的广泛使用

狗万足彩appGENGXINSHIJIAN:2019-04-09    DIANJICISHU:423CI

  在利用玻璃钢出水口狗万足彩app时,应先对污水进行沉淀、筛滤,除去固体污物,有的还需加入消毒杀菌剂。污水灌的作物应以除蔬菜以外的经济作物为主,对于谷类作物只用于作物生育前期,在作物收获前一段时间应停止污水灌。喷头用于将水分散成水滴,比较均匀地喷洒在植物种植区域。同时还要考虑喷头的喷洒形状,与适用性相结合。

玻璃钢出水口

  改进玻璃钢出水口放水方式,把传统的沟、畦一次放水改为间歇放水,进行间歇灌(又称波涌灌),被称为80年代地面灌水技术的一大突破。玻璃钢出水口狗万足彩app间歇放水使水流呈波涌状推进,由于土壤孔隙会自动封闭,在土壤表层形成一薄封闭层,水流推进速度快。在用相同水量灌水时,间歇灌水流前进距离为连续灌的1~3倍,从而大大减少了深层渗漏,提高了灌水均匀度,田间水利用系数可达0.8~0.9。

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