Cultivation methods, technology and temperature geology of Zengcheng Chicai Xin

It is best to transplant seedlings. Choose a field facing north and facing the sun, with flat land, easy drainage and irrigation, deep soil layers, suitable soil, and good physical and chemical properties. Loam and light clay are suitable, and the soil fertility is high. Take advantage of the favorable weather for sowing and raising seedlings when the weather is cold and warm at the end, usually from early October to early November. The seed quantity per mu is 70 grams, and more organic matter fertilizer is applied as base fertilizer. After sowing, cover the seedlings with film or straw, and then remove them after the seedlings emerge. The seedlings are raised for 25-30 days and then moved to the field for cultivation. Planting density: spacing between rows is 15 × 23 cm.