Onion cultivating earth at a height of about 30 centimeters, earthing at intervals of 15 days, generally requires earth 3-4 times throughout the growth period. earth. When taking the soil, the bread should be kept at a proper distance from the onion root system so as not to damage the root system. Generally, earthing is selected at 4-6 pm in the afternoon. The onion leaves are soft and are not easily damaged by machinery. Each time the earth is to be maintained, the onions, stems and leaves of the green onion should be kept upright. Do not allow the soil to pass through the green heart. When soil is cultivated, the soil on both sides of the green onions and ridges must be photographed. top dressing. After soil cultivation, it should be combined with top-dressing, and the top-dressing with reasonable ratio can obviously increase the yield and improve the quality. The first soil can be followed by the decomposed cake bean manure and urea. Early application of nitrogen fertilizer can promote the robust growth of stems and leaves, laying the foundation for high yield; the second time is the rapid development of green onion, and it can be followed by decomposed pod cake fat; The application of calcium nitrate + plant e-fertilizer on tertiary cultivating soil promoted light green growth and the plant became thicker. Eye Massage,Best Eye Massager,Eye Care Massager,Eye Roller Massager Shenzhen Jie Zhong Lian Investment Co., Ltd. , https://www.szmeizons.com