Medicinal dressing
In the past two years, the disease prevention of wheat has been developed rapidly, and the effect of post-emergence drug control is not satisfactory. By seed dressing in wheat sowing, it can effectively kill the pathogens in the soil and on the surface of the seed, and also have certain preventive effects on wheat sheath blight, smut, root rot. The method is: using 3% of the enemy dandan 50 ~ 100 ml + 2.5% of the 10 10 ml of the music, and mixing 100% to 150% of the water, the wheat can be mixed with 10 kg (mu). 12.5% ​​total etched water suspension agent 20 ~ 40 ml, 150 ml of water mixed with 10 kg of wheat. In addition, due to the serious occurrence of the disease, a large number of pathogens accumulate in the surface layer of the soil, and 40 cm can be deeply cultivated during sowing to reduce the occurrence of diseases.
Mud dressing increases wheat resistance
Put the seeds into a plastic bag with good water permeability, firmness, durability and cleanness. Because the seeds swell after water absorption, do not pack them too much, generally 15 to 20 kg per bag. The bag containing the seed is roped into the biogas slurry in the middle of the discharge chamber of the normal gas-generating biogas tank, a wooden stick is placed on the discharge port, and the other end of the rope is tied in the middle of the wooden stick to suspend the bag. s position. Soaking time is generally 12 hours. After the seed soaking treatment, the seed bag is put out, the biogas slurry is drained, the seed is taken out and washed with water, spread and dried, and then to be broadcasted.
Choosing seeds
Wheat whole eclipse, scab, and smut occur in a large plot. Due to the presence of certain bacterial sources on the surface of wheat seeds, it is strictly forbidden to keep the harvested wheat. In addition, the wheat and wild oats are the malignant weeds that have occurred in some wheat fields in the past two years. Because of its strong fertility, it is easy to fall off and mature, and it is difficult to control. Some of them are mixed in wheat, so they cannot be kept as seeds.
Mo is eager to control wheat larvae
It is not advisable to control wheat larvae during sowing. If the poisonous soil is planted when the wheat is planted, the wheat larvae dormant in the depth of 15-20 cm in the soil layer, do not eat, do not exchange material with the outside world, and have a layer of mites in vitro, the drug has no effect, can be Two key periods of prevention and control of wheat midge are carried out. One is the prevention and control of toxic soil in flood season, generally in mid-April; the second is the spraying prevention and control in adult stage, generally in early May.
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