Natural lawn pest control method

Insect pests often occur in spring and summer. They must be carefully checked and analyzed during management. Measures to prevent insect pests in different periods and in different stages must be taken to prevent the expansion.

天然草坪

Common pests in the spring are the turtles A and the golden needles. They belong to the subterranean pests. When the larvae cripple underground roots, they are difficult to find. The initial stage of the killing is as easy as the drought. In the larval stage, spraying 50% sulfite sulfuric acid emulsion and 50% mala sulfuric acid emulsion 1000 to 1500 times, followed by Water spray irrigation, the liquid can infiltrate into the soil to poison larvae. The method of killing adult worms is to take poplars and twigs 25 to 35 cm in length and immerse them in 40% omethoate EC 30 times. Afterwards, insert lawns or place 12 piles per acre with leaves and spray 40%. Omethoate 800 times above, which has good control effect for many pests.

The ropes begin to move from March to April each year. They feed on the seedling roots, fly during the day, and hide in the damp soil at night to lay eggs. After the winter of earthworm eggs and earthworms are overwintering in the soil, they are the most dangerous from March to April of each year. The adults began to feed their seedlings at night or in the evening from April to May. The drug leaves are more effective.

Insect pests are also prone to occur in summer. During this period, nocturnal nocturnal insects or surface pests of the family Noctuidae are commonly found on sport pastures. They are extremely harmful. Careful observation and early detection should be made.

In the autumn, some pests begin to enter the soil to prepare for hibernation, and the hazards become less severe. At this time, we must find out the laws of overwintering of the larvae soil and overwintering of the adult larvae. Combining mechanical control, biological control, and control of chemical drugs, effective pest control work is very necessary.

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