Leek cultivation: how to manage leek in autumn?

How to manage leek in autumn? Please introduce the methods: cool climate after autumn, sufficient light, less precipitation, vigorous photosynthesis, rapid growth, accumulation of nutrients to the root system, which is the key period for strong seedlings and roots. autumn leek can refer to the following methods for management: leek fertilizer and water management: the temperature is getting lower after the Beginning of Autumn, which is beneficial to the growth of leek. Before the leek grows rapidly, a heavy topdressing should be carried out, applying 300,500 kg of rotten bean cake every 667 square meters. When topdressing, use a bamboo pole to put the leeks to both sides from between the rows, expose the ground between the rows, open small ditches, sprinkle bean cakes inside, and then cover the soil. Pour a lot of water after fertilizing. It can also be watered first, after the border surface is suitable, use a bamboo pole to divide the leek from between the rows to both sides, sprinkle the bean cake between the rows, and then draw a hoe to mix the bean cake with the soil and then firmly. After that, it was watered once every 5-7 days and 4-5 times in a row. In late September, 20 kg of urea was applied for every 667 square meters combined with watering, and watering and fertilization was stopped in early October. Stop cutting leek to prevent lodging: stop harvesting leek during root maintenance, after stopping cutting, leek grows fast and easy to lodge, and disease and rotten leaves often occur after concealment in the field. Therefore, it is necessary to support on both sides of the leek border and pull iron wire in the border to prevent leek lodging, which is conducive to ventilation and light in the field, maintain the exuberant photosynthesis of leek, promote the growth of leek, and reduce the occurrence of diseases and insect pests. Disease and pest control of leek: pay attention to the prevention and control of diseases and insect pests during the root cultivation of leek. The main diseases are leek blight and Botrytis cinerea. High temperature and humidity is the main cause of the disease. 50% carbendazim wettable powder 500 × 800 times, or 50% trimethoprim 800 times, 1000 times. The main pests are maggots, thrips and so on. The larvae are harmed from September to October in autumn. 3000 times phoxim EC can be used to control the larvae, and the leek root can be irrigated with 50% phoxim EC, or 150,200 ml of Lesbon EC is used every 667m2, 1000 kg of water, and the spray head is screwed off by the sprayer. spray the liquid forward into the root of the leek. Click to get more leek planting techniques click to get more vegetable planting techniques