It is necessary to pay attention to the drainage of bitter election land.

Sophora flavescens, also called Kugu, Niushen, Chuanshen, is the dried root of Sophora flavescens. has the effects of clearing away heat, eliminating dampness, killing insects, and diuretic; and can be used for treating heat-toxic blood dysentery, intestinal wind diarrhea, jaundice, urinary stagnation, red leucorrhea, pudendal swelling, pudendal itching, infantile pneumonia, malnutrition, acute tonsillitis, skin itching, scabies, leprosy, pudendal itching, scrofula, scald, etc. External use can treat trichomonal vaginitis. It is distributed and cultivated throughout the country.

Sophora flavescens grows wild in the sunny places of hillside grassland, plain, hill, roadside, sandy land and red soil. Love warm weather. The soil requirements are not strict, and the general soil can be cultivated; but the loam or sandy loam with deep soil layer, fertile soil and convenient irrigation is preferred.

Selection, Preparation and Fertilization Sophora flavescens is a deep-rooted plant, which should be cultivated in clay loam, sandy loam or clay loam with deep soil layer, fertile soil, convenient irrigation and drainage. Apply fully decomposed compost or manure to each mu, mash and scatter evenly, deeply rake and level, and make beds.

Sophora flavescens is propagated by seed and sown in spring. According to the row spacing of 35-45 cm, open shallow ditch, evenly sprinkle seeds, cover soil 1-2 cm, water, keep soil moist, 15-20 days to emerge. Seedling height ten centimeters time seedlings, not crowded is appropriate. Sophora flavescens seeds are relatively hard. Before planting, large sandpaper can be used to abrade a little skin, which is conducive to water absorption and germination. After such treatment, plant again.

Field management days drought and fertilization should be timely irrigation, keep the soil moist. Pay attention to drainage in rainy season to prevent ponding and rotten roots. Intertillage weeding, seedling stage to carry out intertillage weeding and soil cultivation, keep the field without weeds and loose soil, moist, in order to facilitate the growth of Sophora flavescens.

Digging in autumn, digging out whole plants and drying.