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防虫网覆盖在全生育期有什么样的作用呢?
网址:https://www.shengjiewangye.com    发布时间:2020-04-21
防虫网以人工构建的屏障,将害虫拒之网外,到达防虫、防病保菜的意图。此外,防虫网反射、折射的光对害虫还有驱避作用。
Insect control net is constructed by artificial barrier, which can keep pests out of the net and reach the purpose of insect control, disease prevention and vegetable preservation. In addition, the reflected and refracted light of the insect net can also repel pests.
大棚果园防虫网掩盖技能是现在在绿色有机农业栽培中起到重要作用的一项重要技能,那为什么需要将防虫网掩盖在全生育期,你知道原因吗
It is an important skill in the cultivation of green organic agriculture. Why do you need to cover up the insect net in the whole growth period? Do you know why
首要是因为夏天在南边使用果园防虫网进行蔬菜的栽培已经成为防灾和维护的一项重要的技能措施。
First of all, it has become an important skill measure for disaster prevention and maintenance to use orchard insect control net to cultivate vegetables in the south in summer.
夏天进行果园防虫网掩盖首要的效果是避免酷日的照射、避免暴雨的冲刷、削减高温危害以及组织病虫害的传达。
In summer, the primary effect of insect net cover is to avoid the cool sun's irradiation, the rainstorm's washing, the high temperature harm reduction and the transmission of tissue diseases and insect pests.
果园防虫网遮光不多,不需日揭夜盖或晴盖阴揭,应实行全生育期关闭掩盖,一直到采收都不揭网。
The orchard insect control net does not need to be covered day and night, or sunny and cloudy. It should be closed and covered in the whole growth period until harvest.
果树防虫网
大棚掩盖时可将果园防虫网直接掩盖在棚架上,四周用土或砖压实,避免害虫游入产卵,网上须用压网线压牢,以防劲风将网吹开。
When the shed is covered, the orchard insect net can be directly covered on the shed frame, and the surrounding areas shall be compacted with soil or bricks to avoid the pests from swimming into the shed for spawning. The net must be firmly pressed with a pressing net line to prevent the net from being blown open by strong wind.
小拱棚掩盖时棚高度应高于蔬菜作物高度,一般要求拱高90厘米以上,避免菜叶紧贴果园防虫网,避免网外害虫取食菜叶及产卵。
The height of the shed shall be higher than that of the vegetable crops when the small arch shed is covered. Generally, the arch height shall be more than 90 cm to avoid the vegetable leaves clinging to the insect control net of the orchard and the pests outside the net eating the vegetable leaves and laying eggs.
果园防虫网有透气性,掩盖后叶子外表仍干爽,减轻了病害发作。
The insect control net of orchard has air permeability, and the leaf surface is still dry after covering, which reduces the disease attack.
透光性,掩盖后也不会"捂黄捂烂".现在的果园防虫网一般是应用在夏天,特别是在南边推行的面积十分大。
Transparency, cover up will not "cover yellow cover rotten". Now orchard insect nets are generally used in summer, especially in the south of the implementation area is very large.
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