After the tomato was planted, some vegetable farmers suspected that the seedlings were weak and increased the supply of fertilizer and water during the seedling stage, which caused the tomato to grow seriously. The first and second ear fruits were obviously small and the deformed fruit was more.
According to the experience, the tomato seedling stage should be watered or not watered as much as possible, and no fertilization. When the first spike of the tomato has a walnut size, the appropriate amount of ternary high-potassium compound fertilizer is applied to promote the fruit expansion. After applying two high-potassium fertilizers per flush, the NPK balance fertilizer was applied once to avoid high nitrogen and potassium in the soil and affect plant growth.
The stalks of the early seedlings are thin and not hollow, the leaves are small and thick, and the leaves are dark green. Such tomato seedlings can obtain high yield in the later stage; on the contrary, the seedlings have sufficient fertilizer and water, the seedling stalks are thick and hollow, the leaves are large and tender, and the leaves are more Light, such tomato seedlings are long seedlings, but not strong, often the first, second and third ear fruits have low fruit setting rate, small fruit and low yield in the early stage. The main reason for the growth of tomato seedlings is that the vegetative growth in the seedling stage is too strong, affecting the reproductive growth in the future, resulting in an imbalance between vegetative growth and reproductive growth.
The management of tomato seedlings should grasp the word "control" to increase production, especially to increase the output in the early stage. In addition to water control and fertilizer control, it should also pay attention to temperature control, the temperature difference should be controlled at around 10 °C.
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