The higher the price of vegetables in the morning, the more the farmers will prepare the seedlings in order to grab the time, but they will wait until the seedlings are very large (8~10 true leaves). Although the seedling planting can make the first fruit pick up in the morning market, it is not easy to cultivate strong trees, and the low yield in the later period is more harmful than good.
First, the planting of large seedlings is not conducive to flower bud differentiation in the middle and late stages of vegetables. The flower bud differentiation of most vegetables begins when 2~3 true leaves are unfolded. When the tillering stage (6~7 true leaves), the flower bud differentiation has reached the stage of “Gypsophilaâ€, which determines the yield and quality of vegetables. The key period. If it is not planted in this period, the plants are 25~30 cm high, and the seedlings on the seedbed are crowded and shading each other, which affects the photosynthesis. It is easy to cause the seedlings to grow, which will inevitably affect the flower bud differentiation in the middle and late stages, leading to the middle and late yield of vegetables. Greatly reduced.
The second is that the seedlings are planted with slow seedlings and the roots are seriously ill. When the seedlings are planted, the photosynthesis of the plants is reduced, the photosynthetic products produced are less, and the roots are not sufficiently nutritious and grow too slowly. The roots grow too slowly, and the water and nutrients absorbed from the soil are small, which is insufficient to supply the growth and development requirements of the stems, leaves and flowers in the shoots. At the same time, because the root system is weak and the disease resistance is weak, some soil-borne diseases will be infected with the opportunity to cause dead vegetables. After 4~6 leaflets are planted, they can quickly adapt to the soil environment and root, which is beneficial to slow seedlings. In this regard, remind farmers friends: when planting vegetables must choose small seedlings planted.
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