Promoting root growth, alleviating successive cropping obstacles, increasing the fertilizer application efficiency and slowing plant senescence. Controlling and balancing the growth of plant, preventing excessive growth of branches,decreasing pruning. Improving the growth of leaves and the photosynthesis,which is good for nutrient accumulation, trans-portion and storage. Promoting budding and flowering, decreasing, preventing bud, flower and fruit decreasing and abnormal fruit, small fruit and rotten fruit. Promoting to keep good shape, bright and colorful peel,high sugar content, and long-term storage. Reducing little leaves,yellow leaves, arbuscular, fruit shrink, bitter pit, pit and other physiological diseases occurrence caused by nutrient deficiency. Repellent effect of sucking insects, reduce spread of the virus caused by worms, phytoplasma and bacterial diseases. Improving the ability of plants to fight against frost, cold, submersion and drought. Adjusting soil pH, improve soil physical structure, keep moisture and fertility, be conducive to the growth of microorganism.