... . yield crop increase 3. inhibit diseases and use of drug 4. organic fertilizer 1. main ... delicious and nutrient-rich. b. reduce the use of drugs, improve the crop quality,meet the ... acid, protein, vitamin, and various biochemical enzyme2. use a. time After seeding stage,usually every 10 ... you making the dulition liquid, please use cleare water in well, rivers. biological fertilizer(spray fertilizer)