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山东绿化苗木讲解冬季大棚花卉防四害

山东绿化苗木讲解冬季大棚花卉防四害

防冻害对不耐寒的花卉,晚上应加盖草帘或在棚内套上小棚;也可在大棚中央每隔几米挖一贮水池,利用贮水池保温;或在地面撒些草木灰,一般可提高地温1~2℃。

Antifreezing of Hardy flowers, night should be stamped with straw or shed inside sleeve; also can be in the shed central every few meters dug a pool, the use of storage tank insulation; or sprinkle ashes in the ground, the general can improve the soil temperature 1 to 2 DEG C.

防湿害在长期密封,雨雪天多时,大棚外应开好排水沟,降低土壤湿度。另外,可在盆面或地面撒些草木灰,起到吸热增温、吸湿降湿的作用。同时要注意绷紧棚膜,严防棚顶积水漏水。

Anti moisture damage in the long-term sealing, snow days many, outside should have good drainage, reduce the humidity of soil. In addition, in the basin surface or ground sprinkle ash, to increasing temperature, moisture absorption dehumidifying heat effect. At the same time pay attention to tight greenhouse film, prevent water Water Leakage roof.

防气害棚室内应施用充分腐熟的有机肥料,尽量减少化肥的施用量。晴朗无风的天气,应及时通风换气,将棚内的有害气体排出。

Anti gas harmful greenhouse organic fertilizer should be fully matured, try to reduce the amount of chemical fertilizer. Sunny windless weather, should be timely ventilation, the harmful gas discharged from the shed.

防病害大棚内空气湿度大,要特别注意防止白粉病、黑斑病、炭疽病等病害的发生。炭疽病可在发病初期用75%百菌清500倍液喷药防治;白粉病可用1:1:140等量式波尔多液喷药防治;黑斑病可用70%甲基托布津1000倍液喷药防治。在棚室用药应避开晴天中午高温期、开花期。

Anti air humidity inside the greenhouse disease, should pay special attention to prevent the occurrence of powdery mildew, black spot disease, anthracnose disease. Anthracnose can clear spray 500 times liquid control with 75% chlorothalonil at onset; powdery mildew available 1:1:140 equivalent Bordeaux spray control; black spot available 70% thiophanate methyl 1000 times liquid spraying control. In the greenhouse the medication should avoid midday high temperature stage and flowering stage.