Seedling stage is the most critical stage in the cultivation management of vegetables, and it needs to lay a foundation for the later flowering results. Many vegetables are not properly managed during the seedling period. The seedlings look like "very strong", but the roots are too shallow, even on the ground. Once the watering, high temperature, etc. are affected, the roots of the surface are destroyed, and the plants must have yellow leaves and premature aging. It is difficult to sit fruit and slow fruit. We often say that the main point of seedling management is to “push up and controlâ€, and the most important point is “lower promotionâ€: to promote deep rooting, to expand outward, to build a large and scattered root group structure, and to improve root system. Resistant to provide adequate nutritional support for later flowering results. The roots are deep down, consume more organic nutrients, and absorb more inorganic nutrients. The growth of shoots and leaves in the shoots is naturally more robust, and there will be no problems. In the seedling stage, the growth of the roots is promoted, and attention should be paid to two aspects: First, increase the application of organic fertilizers and biological fertilizers, deepen the soil, improve soil structure and improve soil permeability. This is a basic measure to improve the soil and plays a decisive role in promoting deep rooting and increasing root activity. The second is to cover the mulch film in the evening. After watering, it will be cut in time to break the surface knot and reduce the damage to the soil structure, thereby improving the soil permeability and promoting the root system. More pesticide knowledge, please pay attention to China Pesticide Network
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