Spinach cultivation Trilogy

Sowing: spinach is mainly sown, but also can be sowed. Because of slow germination under the condition of high temperature, the seeds soaked in early autumn should be soaked for 12 hours, then treated in a refrigerator with a low temperature of 4 ℃ for 24 hours, then germinated for several days under the condition of 15-25 ℃, and then sowed after most of them germinated. Sowing rate of about 10 kg per mu, after sowing, cover shallow soil or dung water and cover rice straw, melon vines, etc., in order to reduce the soil temperature and keep the soil moist. There is no need to sprout after sowing in the first ten days of September, and the sowing amount can be reduced to 5-7.5 kg per mu. Field management: give priority to fertilizer and water. Basic fertilizer should be applied before sowing, generally irrigating human feces and urine, topdressing can be combined with irrigation, and thin human feces and urine should be applied when seedlings are small. When the plant is larger and the temperature decreases, the concentration can be increased appropriately. Spinach is usually harvested from time to time, and it is necessary to fertilize after each harvest. In the early stage, we should pay attention to pulling grass in time, and pay attention to the prevention and control of aphids. Harvest: the leaves of spinach sown in autumn are more than 15 cm long. when the plants are crowded, they begin to be harvested every 20 days or so.