Rhubarb is suitable for cultivation in sandy soil with deep soil layer, fertile soil, loose soil and good drainage performance.Avoid continuous cropping, otherwise it will lead to the degradation of varieties and slow growth.
Usually propagated by seed.Nursery is carried out around the Qingming Festival, ploughing is carried out to make furrows, and furrows are turned at intervals of 20 centimeters.Then the seeds are planted in the ditch, and then the hoe is used to cover the soil and wait for germination.
Adequate light and illumination should be maintained throughout the year.Adequate sunshine can promote its metabolism and increase its medicinal value.On the contrary, growth retardation and even yellow growth may occur.
After the seeds are planted, enough base fertilizer should be applied, and urea and fertilizer should be topdressed in time during the growth period and after harvesting, about 10 kg per mu is appropriate.Cold water should be poured before the soil freezes in winter, and a layer of ring fertilizer should be covered on it, so that the old roots can survive the winter safely.
The slightly humid environment is conducive to its health and drought tolerance.Before emergence, keep the surface moist, which can increase the rate of emergence.During the rainy season, attention should be paid to drainage to prevent root disorder.
1. The surrounding weeds should be removed in time to prevent their nutrients from being taken away.
2. Attention should be paid to the timely loosening and disinfection of soil, and continuous cropping should be avoided.