When is the best time to harvest green onions?

The best harvest season of scallion is autumn, and the specific time is165438+1October-65438+February.

Because of its variety and planting time, its harvest season will be slightly different. Generally speaking, the green onions harvested in autumn are of better quality and more storable. For the freshly dug green onions, it is necessary to check whether the seed balls are complete, and there should be no defects if the seeds are left. Then remove the skin to expose the seed ball, and then plant it after disinfection.

When harvesting and planing, place the shovel 5 cm away from the onion with a long and narrow shovel, lift the soil to expose the inside of the onion, grasp the lower part of the onion with your hands, pull out the onion tree upwards, shake off the soil conveniently, dry it for about half a day, sort it out, remove the sick, disabled and weak trees, sort out the onion roots that meet the standards, and bundle them into bundles of about 5 kg with straw for sale.

Onion is a crop that does not tolerate shade and does not like strong light, and has moderate requirements on light intensity. After normal vernalization, the light intensity and duration can grow and bloom normally. In each growth period of onion, suitable light conditions can promote the growth of plants, make onion white and strong, and increase yield.

Onion has strong adaptability to soil and is suitable for planting in soil with pH value of 6.9-7.6. However, due to its short root system, small root group and underdevelopment, it is advisable to choose plots with fertile soil, deep soil layer, suitable lighting and good irrigation and drainage. Too high or too low soil pH will hinder seed germination and affect the normal growth of onion.

verdant

Onion is a solitary bulb of Allium in Liliaceae, which is cylindrical, with white bulb skin and sparse reddish brown. Its leaves are cylindrical and hollow, and the top gradually tapers, about as long as the scape. Scape is cylindrical, hollow and high 100 cm. Swelling below the middle, with membranous involucre and umbels with many flowers and small flowers. Subovoid, apex acuminate, filaments conical, connate at base and attached to perianth segments; Ovary obovate, slender style, flowering and fruiting from April to July.

Refer to Baidu Encyclopedia-Onion above.