Reasons and solutions for watermelon not growing new roots
1. Improper fertilizer and water management
Basic fertilizer is generally applied when planting watermelon. Basic fertilizer is mostly farmyard manure or organic fertilizer. It can increase ground temperature, improve soil structure, increase soil organic matter content, and continue to increase nutrients for watermelon growth. However, if the incompletely decomposed organic fertilizer or farmyard manure is applied, the fertilizer will release a lot of heat during decomposition, causing root burning and seedling burning. Therefore, the application of incompletely decomposed organic fertilizer is one of the reasons why watermelon does not grow new roots. .
Solution: When applying farmyard manure or organic fertilizer, it must be fully fermented and decomposed. Especially farmyard manure, which has not been fermented and decomposed, can also cause seedlings to be infected with germs.
2. Excessive fertilization
Failure to control the amount of fertilization during fertilization results in the concentration of ions in the soil being too high, which exceeds the growth of watermelon, which will cause the cell tissue of the watermelon root system to lose water and cause plasmolysis, so that new roots will not grow. In this case, the plants will wilt and lack water, which is mainly caused by the partial application of nitrogen fertilizer by melon farmers.
Solution: Be sure to pay attention to the amount of fertilizer when applying fertilizer. Do not apply too much or too thick fertilizer. After too much fertilizer occurs, water in time to dilute the fertilizer concentration to prevent plants from losing water and wilting.
3. Soil sticky weight
If planted on a plot with heavy soil quality, compacted soil, and poor permeability, the root system will be hypoxic or suffocated, which will weaken the vitality of the root system, hinder the absorption of nutrients by the root system, and affect the normal growth of the root system. The phenomenon of growing new roots.
Solution: When planting, choose loose-textured soil and cultivate frequently to avoid soil compaction and increase soil permeability, especially after rain, the soil is easy to compact.
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