Causes of Dry and Ferment Heart of Chinese Cabbage and Ways to Prevent

Dry and ferment heart of Chinese cabbage has normal appearance and has internal metamorphism of the ball, so it is not edible and can bring great losses to the customers.
The reason is dysfunction of the root or other reasons, which cause the root to fail to be transport the calcium to the tip of the organization, and lead to physical malfunction. On the other hand, a serious lack of Mn can also cause this malfunction.
Symptoms: dried and curly edge of leaves, and growth is inhibited. The edge of the leaves turns to yellow and translucent. There is no abnormal appearance after the fructification. Guitar was the edge of the ball early, after changing to yellow translucent yellow scorch guitar no abnormal appearance after the ball. The disease leaves are decomposed, and vascular stem is normal, and it is easy to be differentiated from soft rot and other diseases.
Control Methods (1) Apply fully fermented organic fertilizers evenly to the soil and topdress the fields in batches. (2) Maintain the fields suitable moisture; (3) water the fields as soon as the diseased leaves are found, and spray 2000 times solution of 0.7% calcium oxide, and a total of three times is needed. (4) Don’t use industrial waste to water the fields. (Reproduced)