Causes of cracking in Chinese cabbage
The nodule period is the period when most nutrients and moisture are needed, and the requirements for water and fertilizer should be met in time. If the water supply in the early period is insufficient, excessive water supply in the later period will cause cracking of the leaf ball.
When the top dressing is continued in the middle of the ball, the internal leaf will continue to grow, but the size of the outer leaf has been established. Under the pressure of the inner leaf ball, it will cause the ball to crack.
If the leaf ball fails to mature on time after it matures, it will also cause cracking.
Prevention
First of all, we should pay attention to uniform water supply in cultivation, and we should stop topdressing in the later period. If it cannot be listed, we can cut roots in situ to prevent roots from absorbing water and nutrients. In addition, Chinese cabbages that need long-distance transportation or storage preservation must be harvested at the maturity of 89, otherwise leaf ball cracking may also occur during transport or preservation, and cracked leafballs are also prone to diseases such as soft rot.
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