First, can it be used? Orchids can be fertilized with bean cakes. Because of its rich and balanced nutrition, it is a good fertilizer for planting orchids with long roots and leaves. After orchids bloom in spring, they consume more nutrients and need to sprout new buds and grow new leaves. Therefore, applying bean cake fertilizer is the best choice at this time, which can promote plants to take root and sprout quickly. Before summer comes, applying bean cake fertilizer and pure organic fertilizer will not burn flowers because of a large amount. Moreover, watering orchids can be directly absorbed by the roots, making them grow faster. However, when applying bean cake fertilizer, it is necessary to fully ferment and dilute before watering the orchids. 2. How to apply for 1? Before use, the cake fertilizer needs to be fully fermented before watering the orchid. Wet the cake, put it in a sealed container and heat it until it is cooked. After this treatment, it can be used to fertilize orchids and supplement their nutrition. 2. Add the untreated cake fertilizer into the water according to the ratio of 1: 10 or 1: 15, stir it evenly and let it stand for about one day. Then take the surface clear liquid, add water, and then water the orchid. 3. The cake fertilizer can be made into blocks or crushed, and then evenly placed or sprinkled on the basin surface. But don't put too much, just spread a thin layer.