Yes, the roots are raised by leaves, the leaves are long by roots, and the seedlings on the ground are very small. In fact, the main problem lies in the root cause. If the root system is not good, it is useless to have more nutrients in the soil. Therefore, raising roots and promoting growth is the primary task.

Strengthen fertilization management, timely apply nitrogen, phosphorus and potassium (20~20~20) water-soluble fertilizer and potassium sulfate, or potassium nitrate and potassium dihydrogen phosphate, spray potassium dihydrogen phosphate and natural brassinolide and humic acid active liquid fertilizer on the leaves, or add compound sodium nitrophenolate and amino acid active liquid fertilizer/kloc every 7 ~ 1 0 days.

Extended data 1, too many leaves to pick. The flower and fruit period should be determined according to the growth of plants and leaves. As long as the plants grow normally, the leaves have sound functions and meet the ventilation and light transmission conditions, they can not be picked. But the old leaves that have lost their function should be removed in time.

2, foliar fertilizer, at this time, foliar chlorophyll can increase the thickness and brightness of leaves and delay leaf aging. Improve the photosynthetic efficiency of plants and produce more nutrients.