How to prevent the sweet potato from decaying?

Why is sweet potato rot? In fact, this is caused by underground pests. This has to be fundamentally eliminated. It is necessary to start from the following two aspects.

How to prevent the sweet potato from decaying? Linyi Fertilizer Network Copyright
1. During the growth and development of sweet potato, spray 1000 times of aqueous solution of Loxen once every 10~15 days, evenly spray all the leaves to start the flow of water along the stems and leaves to the roots, and spray 3~5 continuously. Times. Linyi Fertilizer Network Copyright
2. During the rapid expansion of sweet potato, immerse 25~30 times of superphosphate and dry and pure grass ash every 10~15 days to clarify the clear liquid. Or 15~20 times of tobacco leaf leaching clear liquid, etc., continuous leaching 2~3 times, each time about 5~6 kilograms per square meter of soil is appropriate. Or 40~50 times of tea bran solution is applied to the roots, every 7~10 days, continuous drenching 2~3 times, each time 10~15 kg per square meter. Linyi Fertilizer Network Copyright
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