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Nets And Crop Covers, Bird Control Net, Strong Polyethylene Fabrics, Pest Netting Fabrics
he Function Of Anti Insect Net - Proof Net In Seedling - Raising Process
Insect - proof net hanging in nursery is an important technical measure to control disease and cultivate healthy tobacco seedlings.However, in the actual production process, individual seedling raisers lack of understanding of the significance and role of hanging insect control nets, ignoring the use of insect control nets, increased the harm of pests to tobacco seedlings, especially to aphids to spread virus disease to provide convenience.Existing types of insect protection network: one is made of high density polyethylene as raw material.Shape like window screen, with the characteristics of tensile, corrosion resistance, aging resistance, but due to a part of the mesh is too dense, resulting in poor ventilation, do not adapt to the actual application;Another kind is the rural area is common better local materials shading net.
A, hanging insect net has the following aspects of the role:
1. Insect control.Aphids are the main pests in flue-cured tobacco
production. The use of insect control nets in the seedling stage
can effectively prevent their harm, reduce the chance of aphids
spreading virus, and effectively prevent and control the occurrence
of viral diseases.
2, insect mesh can reduce the adverse external climate conditions
on the growth of tobacco seedlings.Insect - proof net has the
function of shading and cooling, regulating the temperature and
humidity in the shed and storm - proof.
3, hanging insect net can effectively prevent poultry and livestock
into the nursery.
B. Correct use of insect protection net:
1. Suspension during seedling cultivation.During the whole seedling
growing period, the insect protection net should be hung and
tightly around to prevent pests from entering the shed.
2, in the process of agricultural operations,such
as: plate, thinning seedlings, cutting leaves, water, fertilizer and other operations, to maintain the suspension of insect control net at any time, in and out of the greenhouse to pay attention to close the insect control net.
3, often check whether the insect mesh is tight, timely inspection
repair damage.
4, at the beginning of the seedling, insect control network should
also be disinfected.