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Morphological characteristics Baixi grass is a perennial herb of the genus Gypsophila. In warm season, the roots are deep and well developed, with short but thick rhizomes. Basal leaves numerous, flat or folded, margin pubescent, leaves 20 cm - 30 cm long, 3 mm - 10 mm wide. Stem height 30 cm -75 cm. Racemes spikelike, 2-branched-3-branched, ca. 6.5 cm, spikelets 2-rowed, arranging on rachis side, one flower per spikelet. Seeds oval, shiny, about 3 mm. The grain weight is 2.9 grams. Applicability and use Bacillus is suitable for tropical and subtropical areas, soil PH value of 5.5-6.5, annual precipitation is higher than 750 mm and evenly distributed areas grow. Most of the southern regions such as Guangdong, Guangxi, Hainan, Fujian, Sichuan, Guizhou and Yunnan are suitable for planting. The soil is not strict, and it grows better on dry soils with lower fertility than other grasses. The basal leaves are more resistant to trampling, strong in pastoral resistance, and optimal for grazing. The stem of the grape can form a dense and dense turf, which can restrict the intrusion of other grass species. It is more difficult to establish mixed sowing grass with leguminous pasture. The comfrey grass is soft and nutritious. The stem of grape is well developed and has high coverage. It is both herbivorous poultry and herbivorous food. The quality forage of the fish is also suitable for cutting green feeding or adjusting hay. Bacillus subtilis is highly repellent to weeds and is particularly suitable for recultivation. It is an excellent slope protection, soil and water conservation and greening plant in the south. Cultivation techniques plough the soil before sowing and eliminate 1,000 to 1500 kg of manure and 50 kg of phosphate fertilizer per acre for the base fertilizer. Spring sowing is appropriate after the final frost day. The drilling distance is 30 centimeters to 40 centimeters, sowing depth is 1 centimeter to 2 centimeters. The seeding amount per mu is 2 kilograms, and appropriate suppression after sowing. The sowing rate of 3 kg to 5 kg per acre is sown. Seedlings grow slowly, have weak competitiveness and must control weeds