Zizania Zizania requires the soil to be nutritious, have strong ability of water and fertilizer conservation, but the soil layer cannot be too deep. The soil needs to be rich in organic matter, and apply a certain amount of basic fertilizer. It needs to be soft, acid-base is slightly acid or neutral.
Zizania likes the environment with sufficient light and moderate growth, so it is required to have enough light and not too much shade, especially in the heading period of Zizania. The temperature is controlled in a relatively warm range, which is not frost resistant. It should be noted that in winter, the bulbs should be kept dormant for the winter. Basically, the temperature should be kept between 20 ℃ - 30 ℃, and the temperature in winter should also be kept between 7 ℃ - 12 ℃.
Zizania is an aquatic plant, which needs to be watered frequently to keep the shallow water layer. In the early stage of growth, keep the water level at 3-5cm, keep it at about 10-15cm in the vigorous period of growth, reduce it at 10cm in the period of pelletizing, and keep the soil moist in winter. During the growing period, there is a large demand for fertilizer, which can be properly applied, nitrogen, phosphorus, potassium and other elements. Two or three times of topdressing during growth and one time of topdressing during heading.
The main pests of Zizania are aphids and borers, which have great influence on leaves and plants, so it is necessary to spray pesticides in time. The disease is mainly powdery mildew. When the disease occurs, the leaves can be removed and destroyed. When the disease is serious, chemicals need to be sprayed.
The propagation of Zizania Zizania is basically seedling transplanting, and seedling raising is carried out after the top buds of the remaining seeds are sprouted. Under suitable climatic conditions, planting is enough.
