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Anti Insect Net A New Kind Of Agricultural Covering Material How To Chose Mesh Count And Color
Insect - proof net is a new kind of agricultural covering
material.It takes high quality polyethylene as raw material, added
anti-aging, anti-ultraviolet and other chemical additives, by
wire-drawing weaving, shaped like window screen, with the
characteristics of tensile, water resistance, heat resistance,
corrosion resistance, non-toxic and odorless, light collection,
correct storage life of up to 3-5 years or so.
Gezi tell you the selection of insect control network to consider
what aspects.
Select the appropriate specification.The specifications of organic
vegetable insect - proof net include width, aperture, silk
diameter, color, etc.Pay particular attention to aperture;, the
mesh is large, not due to the effect of insect control;Mesh small,
shading is too much, adverse to crop growth.At present, the
suitable mesh number is 20-32 mesh, the diameter of silk is 0.18
mm, the width is 1.2-3.6 meters, and the color is white.If you need
to enhance the shading effect, you can choose black insect net.The
silver gray insect - proof net avoids aphids the effect is better.
Points to note in the use of pest control nets:
Soil disinfection and chemical weeding are important supporting
measures before insect control net covering.Be sure to kill any
germs and pests that remain in the soil before you cover them.
The insect-proof net should be compact-sealed around to prevent and
control pests to sneak into the egg-laying. When the small arched
shed is covered and cultivated, the arched shed should be higher
than the crops, avoid the vegetable leaves close to the
insect-proof net, in order to prevent the insects outside the net,
such as jumping turtle, from eating the vegetable leaves and laying
eggs on them.
Humidify and cool down at the right time.At high temperature, air
temperature, ground temperature in the grid are higher more net 1 ℃
or so, bring certain influence to the production of organic
vegetables.Therefore, in the high temperature season from July to
August, the number of water supply can be increased, and the
humidity in the network can be maintained to increase humidity and
cool down.
Insect net in addition to the advantages of sunshade net, the
biggest characteristic is to prevent insects and diseases, greatly
reduce the use of pesticides, is the key technology of
pollution-free vegetables, is a simple, scientific, effective pest
control measures.
In agricultural production, insect net in addition to blocking
pests into the shed, but also some other functions.According to the
words of vegetable farmer, insect-proof net is not special summer,
all the year round can be used, just use purpose is different.The
installation of insect control net in summer can prevent the
tabaci, aphids and other virulent pests from entering the shed, and
avoid the occurrence of viral diseases in large areas of vegetables
in the shed.In winter, insect net can effectively prevent the
occurrence of chapped fruit.And the cause of texturing crack is the
top of the vent opened, the cold air directly caused by the fruit
surface.
Therefore, in the low temperature season the wind outlet to install
insect control network, the use of dense mesh, cold air can be
dispersed, reduce the strength of cold air, and does not affect the
normal ventilation of the shed.The use of insect net and the wind
screen at the bottom of the vent can effectively prevent fruit
chapped and leaf injury caused by direct cold wind.
In addition to preventing cold wind from blowing directly, the pest
control net set under the tuyere can also prevent foreign matters
from entering the shed. Especially for the vegetable farmers who
still use the straw curtain, when the temperature starts to rise
and the tuyere gradually becomes larger, a large number of broken
grass falls onto the plant leaves, affecting the growth of the
plant and the photosynthesis of the leaves.These adverse effects
can be avoided by setting an insect - proof net at the wind inlet.
Fix one side of the insect-proof net (usually the south side), and
the other side can be set to be movable by pulling rope.According
to the size of the wind on the day at any time to adjust the Angle
of the insect control network.When there is no wind, you can put
down the anti-insect net, when there is wind, you can pull up the
anti-insect net to block, and then adjust the air vent according to
the size of the wind.Insect-proof net is set as another advantage
that can move is to prevent the sundry on shed face to enter shed
room, after falling on insect-proof net, can hand puts insect-proof
net to certain Angle, after shaking sundry, go up to corridor
facilitate concentration processing.