Summer high temperature, the application of shade net
Release time:
2020-08-17
Entering the summer and high temperature season, in the process of planting crops in our greenhouse, the sunshade net has become an indispensable agricultural facility in the production process. It has played a huge role in shading and cooling the greenhouse crops, and is a greenhouse crop. Safe production provides a strong guarantee. However, many people also reported that although the temperature has decreased after the use of shading nets, the crops have problems of weak growth and low yield. From this point of view, the use of sunshade nets is not as simple as imagined, and unreasonable choices may lead to high shading rates and affect crop growth.
Entering the summer and high temperature season, in the process of planting crops in our greenhouse, the sunshade net has become an indispensable agricultural facility in the production process. It has played a huge role in shading and cooling the greenhouse crops, and is a greenhouse crop. Safe production provides a strong guarantee.
However, many people also reported that although the temperature has decreased after the use of shading nets, the crops have problems of weak growth and low yield. From this point of view, the use of sunshade nets is not as simple as imagined, and unreasonable choices may lead to high shading rates and affect crop growth.
Application of shade net
Summer 6, 7, 8 months of intense light, more than the light saturation point of vegetables, the impact on leaf photosynthesis. At the same time, the temperature of the shed and the ground temperature are too high (more than 35 ℃), the transpiration of vegetables is enhanced, and the normal growth is affected, resulting in production reduction.
At this time, the use of sunshade nets to cool the vegetables has become an indispensable measure. This requires farmers to choose a shading rate appropriate shade net, artificially create a suitable for vegetable growth of small environment.
In summer, when a greenhouse or a cold shed is covered with a sunshade net, it is necessary to surf the Internet and uncover the net in time according to the temperature, light intensity, vegetable varieties and growth conditions in the shed.
When raising and slowing seedlings in summer, sunshade nets with high shading rate should be used, 80%-90%
Summer leafy vegetable growth period and solanum fruit fruiting period should use the shade net with relatively low shading rate, 50% or 60% is appropriate.
When covering the sunshade net in summer, you can choose a sunshade net with a lower shading rate (depending on the specific situation).
The shade net can also be used to prevent snow and pull snow. In winter, the sunshade net is covered outside the shed, the snow falls to a certain thickness, the sunshade net is pulled down, the snow follows, and then the sunshade net is covered, and the snow is pulled down when the snow reaches a certain thickness, thus saving the process of manual snow shoveling or snow sweeping.
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