water
Water lilies should keep enough water when they like water culture. Generally, the water level should be kept at 72-300 from Qin Yi, and then the water should be changed every five days to keep the water clean. You can cut the surface of the water lily once every two months to make it grow better.
Fertilize soil or land
Water lilies like fertilizer. In July and August, the mixture of cake fertilizer, calcium superphosphate and urea can be wrapped in paper and topdressing in soil far away from plants. During this period, topdressing can be done twice.
Eliminate pests and diseases
If there is green algae in the growth period, it can be controlled according to the ratio of water per cubic meter 1 gram of copper sulfide. If aphids are found, they can be killed by spraying with 1500 times of 50% dimethoate EC. If Oncomelania hupensis harms leaves and flowers, it can be removed with 800 ~ 1000 times trichlorfon solution. The above is the introduction of the cultivation methods and matters needing attention of water lily.