... 20 days use once. For short -living plants can spray once 7-10 days, while long-living plants, ... 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 ... use our product after 5 days. d. Can't spray the original liquid directly, in case of fire the ...