... Effects a. promote seed germination, rooting and seedling growth b. promote crop roots, stems, and leaves grow ,the result of yield ... d. improve the quality of the product, make it delicious and nutrient-rich2. Suitable scopeVegetables : watermelon, melon, cucumber, tomato, ... the product during during the stage of seedling, florescence, and fructification . Mainly use drip irrigation, the liquid is ...