Selection and sowing of safflower
Overview: Honghua, alias grass safflower, safflower, grass and plants to flower medicine, there are broken silt to promote blood circulation, through the function of pain relief, the main production Henan, Zhejiang, Sichuan, Hebei, Xinjiang, Anhui, Northeast and other provinces, It has been cultivated throughout the country. Growth habit: hi warm, dry and sunny environment, but can be cold and drought-resistant, in the shade, damp and water, plant growth is blocked, flower head dysplasia, generally choose topography high dryness, medium fertility, well-drained sand Loam is suitable, the soil is not strict, avoid continuous cropping. Land selection and site preparation: topography, high dryness, good drainage, deep soil layer, moderately fertile sandy loam, avoid low-lying land, formerly dominated by leguminous crops, grass crops, 25,000 kilograms of farmland fertilizer per acre, plus phosphate fertilizer 15 kilograms, ploughing into the earth, smashing and flattening a sorghum with a width of 1.3 meters, and creating a drainage ditch around to facilitate drainage. Sowing: Saffron is dominated by autumn 8-10 months, sowing in spring from February to June, soaking in warm water of 35-40°C for 10 minutes before sowing (can increase the germination rate), remove and pour cold water, and take out and dry Drilling or sowing, drilling by spacing 30-40 cm, open seeding ditch 6 cm, sowing the seed evenly, covering fine soil thickness 2-3 cm, hole spacing 25 cm, hole distance 10 cm, depth 6 cm. 8-10 seeds per hole, after sowing covered with 3 cm thick soil, and then watering, half moon emergence (Northeast region can be sowed before freezing, spring emergence, and the emergence of Qi Qi, high yield).
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