For strong seedlings: the most important thing is to grow and bloom, so the proportion of prickly millet leaves can be increased properly to improve the soil fertility. The proportion of red soil, prickly millet leaves, burnt soil and saprophytic pine needles is 2:61:1.
Choose the plastic basin with good air permeability, ceramic basin is also OK.
Select the vigorous and robust watercress, wash the roots with clean water, cut off the dried rotten roots and black roots with sterilized scissors, soak the orchids in diluted potassium permanganate for half an hour, then take them out and dry them in a cool place.
The growth of legume orchid needs a long period of light. It needs proper shade in summer and autumn, but not in winter and spring. Lack of light may lead to Douban orchid is not easy to bloom, so we should pull out more Douban orchid to sun
The cultivation medium of Douban orchid is rich in nutrition, so there is no need to apply chemical fertilizer in the cultivation process. It can provide enough nutrition for Douban orchid by mixing some cake fertilizer or sheep manure once a year in the process of basin changing or soil changing. Generally, no fertilizer is applied in the middle.
