1、 How to judge

1. Water shortage: if the basin soil is too dry due to long-term non watering, or the orchid is watered irregularly, the orchid will have the symptoms of water shortage. The main performance is that the leaves dry and shrink, and the whole plant looks very wilted; The reed head is dry and yellow; The old leaves begin to turn yellow and dry from the tip, and the new leaves are not green and lustrous

2. Lack of fertilizer: if the basin soil is too poor or the plant is not fertilized for a long time, the orchid will have the symptoms of malnutrition. The main performance is that the plant is thin and weak, the growth rate becomes slow, and there are no new buds and new leaves; The old leaves gradually turn yellow from the base, and the new leaves are dim and dull. Lack of nutrients, plants will show different symptoms. If there is no nitrogen fertilizer, the new leaves of the plant grow poorly and are thinner than the old leaves; When phosphorus is deficient, the leaf buds of the plant grow slowly and the edge of the leaf will be slightly curved. When magnesium is deficient, the leaves will appear yellow leaves and other different situations

2、 How to solve

1. Water replenishment: if the plant wilts due to water shortage, just replenish water in time and the orchid can recover. Then in the later maintenance, when the basin soil becomes dry, it needs to be watered to supplement water for the plant

2. Fertilizer supplement: if the soil is excessively barren due to the long-term failure to replace the pot soil, it is necessary to replace the flower soil and replant it in time. The pot soil of cultivated orchids can be changed once a year as far as possible. If you haven't fertilized the plant for a long time, you just need to supplement nutrients in time. The corresponding fertilizer can be applied to the plant according to the different symptoms of the plant. If it is caused by lack of nitrogen fertilizer, it can be improved by applying urea every 3 days; If it is caused by lack of phosphate fertilizer, potassium phosphate solution can be used to irrigate the root or directly spray it on the leaf surface. It can be applied every three days, and it will get better after three times. If it is caused by lack of magnesium fertilizer, 0.5% magnesium sulfate solution can be sprayed on the leaf surface every three days, which can be improved by about three times