At the time when various types of vegetables are planted in early spring, vegetable growers must clean up the sheds in order to reduce the number of germs and worms and lay a good foundation for safe production of squid vegetables.
When many vegetable growers cleaned up the greenhouse, some of the leaves and a large number of roots were left in the soil. Especially when removing melon vegetables, many vegetable farmers directly cut off the roots and left the roots completely in the soil. If the vegetable garden is not thoroughly rooted, it will leave a large number of pathogens, pests, etc., leaving a source for the spread of future diseases. In particular, many vegetable plants in greenhouses suffer from root diseases such as blight, root rot, and root-knot nematodes. If the roots are not pulled out completely, the source of the disease will remain in the soil and continue to harm the squat vegetables. When vegetables are pulled out, it is an opportune time to reduce the number of pathogens such as root-knot nematodes. This opportunity can be used to completely bring root knot nematodes attached to roots. If the soil is relatively dry at the time of pulling out the garden, you can pour in small water before the garden is pulled out to moisten the soil. If necessary, you can use iron shovels to remove the roots so that they do not have to be left in the soil. In particular, when the same species is cultivated in the early autumn and early spring, vegetables and vegetables must be specially cleaned to avoid leaving more toxic substances and pathogens, which increases the incidence of diseases and insect pests in the next crop.
For vegetables, many vegetable farmers clean up the planting lines. Without plant debris and weeds, they immediately turn to the ground and plant the next planting. Some vegetables are also planted with vegetables such as leek and garlic. Perennial weeds and vegetables are the main source of viral disease transmission, especially the perennial fibrous root crops such as leeks. Although they do not show symptoms when infected with viruses, they are toxic in the body and can easily become the source of viral disease transmission. In recent years, there has been a serious outbreak of viral diseases in spring shed vegetables in greenhouses. These perennial vegetables and weeds are the “culprits.†In addition, the vegetables and weeds on the front face of the greenhouse left a shelter for pests such as hummocks, leafhoppers and whiteflies, greatly increasing the number of pests, cleaning up unclean weeds and vegetables, and also early spring pests in recent years. The important reason for high rates.
It is advisable for vegetable growers to clean the front face of the greenhouse before removing all the perennial crops such as leeks and garlic, and then cover the black mulch to prevent the weeds from growing again. If you want to grow some vegetables for your own use, you should choose one year old, seed-producing, vegetables that are not easy to bring viruses, such as cabbage, lettuce, and peppers.
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