1------ If the rot has a foul odor is cabbage soft rot, soft rot belongs to bacterial diseases. Available thiessen copper or thiobacillus copper or agricultural streptomycin or neutrophil or thiabendazole or quinoline copper and other drugs alternately or choose two different mechanisms of the composition plus potassium dihydrogen phosphate together with spray control. The onset of timely removal from the garden to destroy, 5-7 days dosing once, continuous dosing 2-3 times.
2------- If the core leaves dry and rotten, is the lack of calcium caused by dry heartburn, available calcium chelate, or fluid calcium spray treatment, 7 days once, 2-3 times in a row, you can slowly alleviate the phenomenon of calcium deficiency. The first thing you need to do is to take precautions in advance.
Conservatively, if you do not see the picture, rotten heart is the case, it is recommended to mix the medicine is bacterial medicine + calcium fertilizer