There are three reasons why the tomato stems grow very thin. First, basal fat is not cooked: If the basal fertilizer is applied to human and animal urine, it must be decomposed before use, otherwise directly applied to the soil, easily lead to the phenomenon of burning seedlings after colonization of tomatoes, making the stalks of tomatoes weak. Second, seedlings are not robust enough when planted. If the temperature is too high during the seedling-reducing process and the watering is too much, it is easy to make the seedlings grow in length, and the tall stem seedlings with thin stems appear. It is suggested that the temperature of the seedbed after controlling the seedlings be controlled at 20-25°C, and the soil should be damp and dry. Third, continuous cropping hazards: Tomatoes are resistant to continuous cropping, but continuous cropping for four or five years or even longer, will increase the toxic substances in the soil, affect the plant root development, can not absorb enough nutrients supply tomato growth, resulting in the colonization of tomatoes After the stem is thin and weak. It is advisable to rotate crops with vegetables other than eggplant (eggplant, pepper, etc.).
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