1. Scientific selection, due to the large temperature change in autumn, attention should be paid to the selection of varieties with high adaptability, cold tolerance and high disease resistance, such as radish and Chinese cabbage;
2, suitable sowing, to avoid premature or too late sowing, in general, before and after the summer heat planting carrots, planting water radish, Chinese cabbage before and after the fall, seeding with new high-fat film before planting, can keep warm, moisturizing, swell, Improve seed germination rate and make seedlings strong. Repel underground pests and isolate viral infections. It can also be mixed with a seed coating.
3, drainage and flood control, due to high temperature and rain in the early stage of autumn sowing vegetables, low temperature and drought in the late stage, sorghum or high ridge cultivation can be used for soil preparation.
4. Anti-disease and pest control, because the seedling stage of autumn sowing vegetables is at the peak of the occurrence of pests such as Plutella xylostella, Pieris rapae, and bacterial wilt. Therefore, it is advisable to use a combination of biological control and chemical control. Spray pesticides must be coordinated. The new high-fat film can be used together to improve the utilization rate of the active ingredients of pesticides, spread and spread the disease-preventing bacteria, transform high-toxic pesticides into poisoning, poisonous pesticides are low-toxic, and low-toxic pesticides are slightly toxic. Control the volatile and volatile pesticides, prevent the rainwater from scouring, reduce the dosage per acre (half), and improve the control effect (multiple times).
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