(1) fertilization: generally, nitrogen fertilizer is applied every half month from May to early autumn. Twenty days after the flower withers, it needs to be fertilized again. The best time is in the evening. The next morning after fertilization, water once
(2) watering: there are not many requirements for water, but it is necessary. Generally speaking, it is best to wait for the soil to dry before watering. However, the amount should not be too much, and the soil should be kept slightly dry all the time. Don't water it at noon. Don't use well water
(3) light: like half shade. But in winter, it's better to have plenty of light. In addition, in order to receive light evenly, don't forget to turn the basin
(4) soil: loose and fertile. Generally with orchid mud, can add some bark, coconut shell, etc.
The nutrients in the soil are limited, and it is easy to make the soil agglomerate and poor permeability without changing basin for a long time. It's usually changed once a year or two. First, the soil, in addition to the new orchid mud, can also add some fermented bark, coconut shells, pebbles and other things to increase the air permeability. Basin can be replaced or not, according to the specific situation. Before changing soil, it is necessary to trim the roots and cut off the rotten and diseased roots.
It's better to prevent, not to wait until it happens. In case of misfortune, measures should also be taken in time. Spray agent, deal with the infected part.