There are many varieties of vegetables, short growth cycle, high multiple cropping index, scientific arrangement of vegetable gardens, recovery and improvement of soil fertility, reduction of pests and diseases, increase of yield and improvement of quality. It is an extremely important and extremely effective agricultural production increase measure. To implement a reasonable rotation of vegetables, the following principles should be followed: The type of fertilizer required is different. For example, vegetables such as green vegetables and spinach require more nitrogen fertilizer. Fruits such as melons, tomatoes, and peppers require more phosphate fertilizer. Potatoes, yam and other roots require more potash. By serializing them, they can make full use of the soil. Nutrients. The depth of the root is different. For example, deep-rooted eggplants, beans and shallow-rooted cabbage, onion and garlic rotation, the different levels of fertilizer in the soil can be used. Do not infect pests and diseases. Rotation of different kinds of crops can change the living conditions of pests and diseases and achieve the purpose of reducing pests and diseases. For example, grain and vegetable rotation, water and drought rotation, can control soil-borne diseases; planting Chinese cabbage after onion and garlic can greatly reduce the occurrence of soft rot. Improve soil structure. Beans and vegetables have rhizobium to fix nitrogen, which can improve fertility. It should be followed by planting cabbage and eggplant that require more nitrogen, and then planting onion and garlic with less nitrogen-containing root vegetables. Pay attention to the requirements of different vegetables for soil pH. After planting cabbage and potatoes, it can increase the acidity of the soil. After the pumpkin and sweet corn are planted, the acidity can be reduced. Therefore, the onion sensitive to the acidity of the soil can be increased as a pumpkin, and the yield is reduced as a cabbage. According to the above principles, the rotation period of various vegetables is also different. For example, cabbage, celery, cabbage, cauliflower, onion, garlic, etc. can be used for several times in areas where there is no serious disease, but the base fertilizer needs to be added. There are watermelons that need to be cultivated every 1-2 years, and potatoes, yam, ginger, cucumbers, and peppers that need to be cultivated every 2-3 years. Tomatoes, taro, eggplant, melon, peas, etc. are cultivated every 3-4 years. . Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone Vehicle Camera Solution,Fleet Management Camera Surveillance ,Car Camera & Fleet Management and Logistics,Onboard Camera Solution,Car Security Camera System SHENZHEN SANAN TECHNOLOGY CO.,LTD , https://www.sanan-cctv.com