Autumn delayed vegetable seedlings four attention

1. Choose the appropriate cultivar Autumn delay The temperature of the vegetable nursery is high in the early stage, the water content varies greatly, and in the late growth stage it is in the low-temperature and low-illumination stage. Therefore, varieties with wide adaptability, disease resistance, cold resistance, and high yield should be selected when selecting varieties. .

2. To prevent the emergence of high temperature and heavy rain hazards during seedling period High temperature and heavy rain can inhibit the growth of vegetable seedlings, resulting in frequent occurrence of pests and diseases. In the nursery, application of shade nets, insect nets, can effectively prevent high temperature, heavy rain erosion and pest damage. Seedbeds should be selected from high-lying, easily-drained plots and cultivated on stilts or high ridges. After the storm, the drainage will be promptly completed. The conditions can be used to carry out the pouring of the garden to reduce the damage of the heavy rain to the vegetables.

3. Prevention of Pests and Diseases Fall is the season in which pests and diseases occur frequently. When delaying the growth of vegetables, the use of insect-repellent nets can effectively prevent the occurrence of insect pests, and can cut off the transmission of some diseases and reduce the occurrence of diseases. Consecutive vegetable production can also use frequency-vibration insecticidal lamps to trap pests and reduce the population density. In the prevention and control of pests and diseases, the promotion of the use of highly efficient and low-toxic pollution-free pesticides and the prohibition of the use of highly toxic and high-residue pesticides.

4.Farm and water management August is a hot season, and frequent rain occurs, which makes it difficult to cultivate suitable seedlings for delayed vegetables. Therefore, when raising seedlings, the seedbed fertilizer and water management should be strictly strengthened, and soil on the seedbed should be kept dry and wet. Organic fertilizers should be used as the main ingredient to prevent seedlings from growing too much due to excessive fertilizer and water, and strive to cultivate robust plants suitable for cultivation.

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