防虫网是什么意思 防虫网在线翻译 防虫网什么意懂得感恩
Communis grown in a 10-mesh sunshade and insect-proof net and in open-air field and of microclimate in the net were obtained.
Our main products include Safety Net, Sunshade Net, Sports Equipment net series and so on. In addition, we have developed other varities of products available for other uses, such as Fishing Net, Anti-bird Net, Anti-grass Net, Anti-Insect Nets, Anti-hail Net, etc.
Our company own the right of importing and exporting goods, and the main products include the following: shade cloth and shade sail or shade net, sunshade net or P. E. knitted cloth, windbreak net, bird netting, olivenet, hail protection netting, fence netting, extruded net, raschel bags, tree guards net, plaster net, pvc coated pipe and other such plastic products.
All venting instruments and pilot valves shall have Type 316 stainless steel bug screens fitted to the atmospheric vents.
In order to provide information for climate control of greenhouse, a model was developed to predict the variation of air temperature in the naturally ventilated greenhouse equipped with insect-proof screen.
The main factors affecting mango's pollination were studied by using three methods, insect-proof net, raising flies and luring them to visit mango's panicles, and the effect of raising flies and luring them to visit flowers on improving mango's pollination rate were analyzed. The influence of temperatures under different weathers on pollination insect's activity was also observed.
Trails showed that the best pollination time was in A. M 6:30-8:30, cultivation techniques of fly net covering in the whole course and slinging vine could improve fruit rate and lengthen embryo development time, which improved compatibility of Cucurbita interspecific hybridization.
Equated with pest control net and sex pheromone, the performance is much better.
When cultivated in netting, the ratio of virus-carrier tobacco seedling of comparison treatment was over 30%, but the ratio of above three measures was very low.
Variation Regularity of Temperature and Humidity in Different Covering Methods with Fly Net in Hot Season
When cultivated in netting, the ratio of virus-carrier tobacco seedling of comparison treatment was over 30 %, but the ratio of above three measures was very low.
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