Cultivating strong seedlings is an important measure for delaying the planting of vegetables in autumn. In the process of regrowth management, some vegetable farmers do not do well in this regard: Many greenhouse vegetables are slow to grow slowly after being planted, and they do not produce trees. On the contrary, some greenhouse vegetables grow quickly after they are planted, so that their nutrition grows too strong and their trees grow. Both of these conditions are worrying, because whether it is weak or longevity will affect the increase in vegetable production and efficiency. Therefore, after delaying the colonization of vegetables in autumn, we must regulate the growth of plants and cultivate strong seedlings so as to lay a good foundation for increasing production and increasing income. Therefore, the management of Qiuyan cuisine should be followed by “promoting†the combination of “squeezingâ€, “promoting†and “cunningâ€.
First, "promote" into the slow seedling
After planting vegetables, the first task is to urge them to ease seedlings as soon as possible. There are three measures: 1. Pay attention to shade and cool down. The temperature in autumn is still high, especially at noon on sunny days. High temperature and strong light often cause the vegetables in the slow seedling stage to lose water and wilt, or even die. Therefore, a shade net must be set up during this period to prevent the seedlings just planted from being exposed to high temperature and strong light.
2. Pay attention to moisture. The high soil and air humidity are required for the seedlings of the vegetables to ensure their survival rate. During this period, due to the hot weather, soil water disperses quickly, and the newly planted seedlings are vulnerable to wilting and dead seedlings due to insufficient water supply. Therefore, after the vegetables are planted, they must be watered in a timely manner. Note that the amount of watering should not be too large to prevent the vegetables from picking up roots.
3. Diligently. After each time the water is poured, it must be timely scratched in order to increase the permeability of the soil and promote the early deep-rooting of the root system. Vegetables are most prone to dead seedlings at the seedling stage and should be prevented in advance. Miao Bao can be used, anti-bacterial 968, Dien microbial agents, green cattle black liquid fertilizer and other microbial preparations to root.
Second, "cockroach" a strong seedling
After the vegetables have grown slowly, their growth is accelerating. Without control at this time, it's easy to be prolonged. Therefore, the vegetables must pay attention to the growth of the seedlings after the easing of seedlings until the result. The seedling measures should pay attention to the following three points:
1. Pay attention to temperature control. The long-term temperature in the shed is high, and the plants are susceptible to long growth. Therefore, attention should be paid to strengthening ventilation and setting up the shade net to reduce the temperature inside the shed so that the daytime temperature should not exceed 30°C.
2. Pay attention to water control fertilizer. After the slow recovery of vegetables to grow, it should pay attention to controlling water and fertilizer to prevent sufficient fertilizer and water, and the plants are long. Under normal circumstances, because the base fertilizer has been fully applied, there is no need to top-dress during this period, but the watering should be strictly controlled. The amount of watering and the number of watering should be reduced as much as possible to avoid excessive watering and excessive plant length.
3. Spray booster. For severe plant growth, use 1500-fold booster and 3,000-fold lover spray to control its growth.
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