... 3. inhibit diseases and use of drug 4. organic fertilizer 1. main functions a. reduce the diseases happening, ... timec. method (1)Usually dilution 500 times, then spray evenly on the leaves,fruits and plants. (2)For ... vegetables like cucumber,tomato, if you spray after picking during harvest time, it can fruit in ... please use cleare water in well, rivers. biological fertilizer(spray fertilizer)