1、 Diseases and insect pests

Reason: if the lily is not well maintained during its growth, it may lead to plant infection with diseases or pests, plant growth problems and yellow leaves

Solution: strengthen ventilation during normal maintenance to promote the normal circulation of air. After diseases and pests occur, cut off the diseased leaves, and then spray drugs for treatment

2、 Improper watering

Reason: if the lily is not watered for a long time, the water in the basin soil is insufficient, and the old leaves will turn yellow from bottom to top. Once watered too often, the problem of rotten roots will appear and the young leaves will turn yellow

Solution: if you find the problem of water shortage in the plant, you need to immediately pour an appropriate amount of water to make the plant absorb water through infiltration. If you water too much, you should control the water in time

3、 Improper fertilization

Reason: too little fertilization or too low fertilization frequency will make the plant lack nutrients, cause the plant to grow weak, and then make the leaves yellow. Too much fertilization will also lead to root burning and yellow leaves

Solution: fertilization should be balanced. If fertilization is too little, fertilization should be carried out regularly, and fertilizer should be given reasonably to maintain normal growth. In case of fertilizer damage, fertilization shall be suspended and the fertilizer effect shall be diluted by appropriate watering

4、 Soil hardening

Reason: during the growth of lily, it is forbidden to harden the soil and accumulate water. If the root system does not breathe freely for a long time, it will cause the leaves to turn yellow and wither

Solution: provide suitable soil for the growth of lily, and keep the soil loose, breathable and drained