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天津万博手机客户端市温室工程预算建设

    作者: 万博手机客户端 来源: 未知 发布时间:2019-04-12 09:36

      TIANJINSHIMINGLIFENGNONGYESHESHI:NONGYEWENSHIDAPENGZHIZAO、ANZHUANG、SHEJI、SHIGONG;NONGYEYUANLINBUJUGUIHUA:GANGGUANZHIZAO、XIAOSHOU:JINSHUCAILIAO、WUJINDIANLIAO、RIYONGBAIHUO、HUAGONGCHANPINPIFALINGSHOU:SHUIFEIYITIHUAGUANGAIGONGCHENGSHIGONG:NONGZUOWUZHONGZHI:HUOWUJINCHUKOU、JISHUJINCHUKOU。

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      首先想到的是室内保温。可采取地膜覆盖,扣小拱棚、活动幕面等多层覆盖方法保温。在大周围内侧加多层草苫,既防风又保温。可在温室内装上荧光灯(灯与植物叶片保持50cm的距离),每天照射10-12小时灯光。在温室的一端设置作业间,进出口处挂厚门帘,以防冷风侵入。并用无滴膜覆盖,万博手机客户端,对蔬菜瓜果的保温有好处。

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