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蔬菜大棚防虫网能抵挡冰雹的袭击吗?
网址:https://www.shengjiewangye.com    发布时间:2020-04-26
1、早设防雹设备。关于设备蔬菜来说,冰雹降临前农户应及时掩盖与大棚等长、等宽的大棚防虫网或遮阳网,并拉紧,使防虫网或遮阳网与棚膜表面保持一定间隔,可减轻冰雹对棚膜的冲击,避免棚膜被冰雹砸破而进风。冰雹降临前还要留意加固棚体,关于运用多年的旧竹竿、立柱、钢丝等要及时查看,并采取加固措施,以免冰雹来袭,形成棚体坍毁受损。
1. Set up hail prevention equipment early. As for the equipment and vegetables, before the hail comes, the farmer should cover the insect net or sunshade net of the same length and width as the shed in time, and tighten it to keep a certain distance between the insect net or sunshade net and the surface of the shed film, which can reduce the impact of Hail on the shed film and prevent the shed film from being broken by the hail and entering the wind. Before the hail comes, pay attention to the reinforcement of the shed. Check the old bamboo poles, columns and steel wires used for many years in time, and take reinforcement measures to prevent the hail from attacking and damage the shed.
2、防御劲风雨雪。要在温室草苫或保温被上加盖防雨雪塑料薄膜,经常查看棚室薄膜有无破损并及时修补。提前将草苫或保温被等掩盖物进行压实,并压紧棚膜,避免劲风、雨水将掩盖物卷起、打湿。劲风气候要将通风口、进出口密闭,避免劲风吹入室内,对棚膜和农作物形成损害。如遇大雪,需及时打扫积雪,避免积雪损毁骨架和棚膜。
2. Defends against the wind, rain and snow. It is necessary to cover the grass cover or thermal insulation quilt of the greenhouse with rain and snow proof plastic film, check the film of the greenhouse frequently for damage and repair in time. The cover materials such as straw cover or heat preservation quilt shall be compacted in advance, and the shed film shall be compacted to avoid the cover materials being rolled up and wet by strong wind and rain. In strong wind climate, the air vent and inlet and outlet shall be sealed to prevent strong wind from blowing into the room and damaging the shed film and crops. In case of heavy snow, clean the snow in time to avoid damaging the skeleton and canopy.
防虫网厂家
3、预防低温冻害。遇到连续多日阴雨雾霾气候时,要及时整理棚膜,增强棚室透光率;阴雨雪天要根据外界温度状况,尽早揭开草苫承受散射光照。发起运用植物补光灯进行增温补光。
3. Prevention of cold damage. In case of continuous rainy and haze climate, the shed film shall be timely arranged to enhance the light transmittance of the shed; in rainy and snowy days, the straw cover shall be uncovered as early as possible to bear the scattered light according to the external temperature conditions. Initiate the use of plant fill light for temperature and light.
4、受灾及时补救。受灾后,雨水冰雹溅起的淤泥能遮盖幼苗,给农作物形成机械损害,防虫网生产厂家主张农户除了及时淋洗叶片上的淤泥外,还要紧接着喷施一次杀菌剂和叶面肥,避免病菌从植株伤口侵入,一起冲施生根类肥料,促进农作物赶快恢复长势。
4. Timely remedy for the disaster. After the disaster, the sludge splashed by the rain and hail can cover the seedlings and cause mechanical damage to the crops. The manufacturer of the insect prevention net claims that the farmers should not only wash the sludge on the leaves in time, but also spray a bactericide and foliar fertilizer immediately to avoid the invasion of the germs from the plant wounds. At the same time, the root fertilizer should be applied to promote the crops to recover quickly.
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