1.improve fertilizer efficiency 2.improve the output 3.promote the quality 4.high resistance to cropping 1. Main functions a. high resistance to the cropping, disease prevention b. improve the soil activity and fertilizer efficiency c. can strong roots, improve the quality and yield2. Suitable scopeVegetables : watermelon, melon, cucumber, tomato, squash, chili etc.Food Crops: rice, wheat, corn ...