The following principles should be followed.
1 Select seeding, planting, and harvesting of similar types of intercropping, so as to facilitate unified farming and field management, and timely vacillation.
2 The nutrition or root distribution of the two types of vegetables is different in depth, so as to make full use of the ground force. For example, when the beans are intercropped with corn, the dwarf cowpeas are deep, requiring less nitrogen, and the corn roots require more nitrogen.
3 The two types of vegetable plants are different in height and low in order to facilitate ventilation and light transmission, and make full use of light energy. For example, cucumber intercropped with cabbage, broccoli and the like.
4 long-term long-term and short-term cooperation. For example, melons and solanaceous fruits have a long growing period, and short cabbages, radishes, and leeks in the middle of the period can be harvested in a short period of time, without affecting the growth of melons and solanaceous fruits, and making full use of the land.
5 hi-light and shade-resistant fit. Such as cabbage is cold-resistant, moisture-resistant, and grows fast in a cool environment with good quality. Therefore, cabbage can be intercropped with melons, solanaceous fruits, leeks, celery, etc.
6 Once harvested and matched with successively harvested vegetables. Such as tomatoes in the spring radish, eggplant in the spinach and so on.
Note when planting intercropping with vegetables:
1 The same kind of vegetables in the same family are susceptible to the same pests and diseases, and should not be intercropped.
2 Planting density is limited to the growth of the main cooking.
3 Main dishes and intercropping, intercropping symbiosis and field management. When the two are contradictory, the main dish is the main dish. The use of intercropping and intercropping methods should pay attention to the application of base fertilizer, strengthen the management of fertilizer and water, and ensure the demand.
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