The main pests that cause serious damage to wheat seeds and seedlings are crickets, golden worms, cockroaches, etc., and often cause ridges and ridges. In addition to seed dressing, it is also possible to carry out soil treatment in advance, and if necessary, to strengthen the control of seedlings.
Agricultural control
Underground pests live in the soil throughout their lives, especially in areas where weeds and extensive farming are heavy. Therefore, a series of agricultural technical measures should be adopted, such as deep-turning the land, cultivating and cultivating crops, crop rotation, timely cultivating and weeding, reasonable irrigation, and the use of organic fertilizers as soon as possible, so as to reduce the number of insect pests and reduce the damage.
Chemical control
Soil treatment in a variety of underground pests mixed area or a single serious area to use soil treatment methods to prevent and control. In order to reduce pollution and avoid killing natural enemies, topical application and application of granules should be promoted. You can use 3% phoxim granules per acre 2 ~ 2.5 kg in the ground before spreading the land, with the plough turned into the soil. Can also be used per acre with 50% phoxim EC 250 ml of water 1 ~ 2 kg, mix fine soil 20 ~ 25 kg dubbed toxic soil, sprinkle the ground into the soil.
After the emergence of wheat seedlings at the seedling stage, a representative field survey was selected. When the rate of dead seedlings reached 3%, pesticide application was immediately prevented. Can be used per acre 5% phoxim granules 2 kg, mix fine soil 30 ~ 40 kg, mix well after the ridge spread, and then plan to cover soil. Can also be used per acre with 50% phoxim EC 20 to 50 grams of water 3 to 5 kg diluted, mix in 30 to 75 kg of crushed rice bran or bran, made bait sprinkler control. If the harmfulness of the ground pests in the wheat seedling stage is severe, use 50% phoxim EC or 48% Loessben EC 1000 times to root.
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