To make leeks grow thick and strong, you can take the following measures:
Choose a suitable planting location: Leeks prefer sunny, well-drained soil, so choose a suitable planting location. In general, places with plenty of sunshine, good ventilation, and good drainage are more suitable for growing leeks.
Soil preparation and fertilization: Before planting leeks, the land is prepared and fertilized. When preparing the land, the land is leveled and weeds and stones are removed. When fertilizing, it is necessary to apply appropriate fertilizer according to the fertility of the land and the growth needs of leeks, and organic fertilizers and compound fertilizers can generally be applied.
Choose the right variety: Choosing the right variety is the key to making leeks grow thick and strong. It is necessary to choose varieties with strong disease resistance, fast growth rate and good quality, such as green leek, broad-leaved leek, etc.
Control planting density: A reasonable planting density can allow leeks to get sufficient sunlight and nutrients to promote their growth. In general, the planting distance is 15-20 cm per row, and 2-3 leeks are planted per hole.
Timely watering and fertilization: During the growth of leeks, it is necessary to water and fertilize them in a timely manner. Watering should be moderate, not too much or too little. Fertilization should be carried out appropriately according to the growth needs of leeks and soil fertility, and nitrogen fertilizer, phosphate fertilizer and potassium fertilizer can be applied generally.
Weeding and loosening the soil: During the growth of leeks, weeding and loosening the soil should be carried out in time. Weeding can prevent weeds from competing with leeks for nutrients and water, and loosening soil can increase the permeability of the soil, which is conducive to the growth of leek roots.
Control of pests and diseases: In the growth process of leeks, attention should be paid to the prevention and control of pests and diseases. Common pests and diseases include leek maggots, gray mold, etc. The control of leek maggot can be used with pesticides such as phosphine for root irrigation;The control of gray mold can be sprayed with pesticides such as Sucline.
Harvesting and management: When the leeks grow to a certain height, they should be harvested in time. When harvesting, the stubble height should be appropriate, and the stubble height is generally 3-4 cm. After harvesting, fertilizer should be applied in time to promote the growth of new leek leaves.
Crop rotation and stubble inversion: Crop rotation and stubble inversion are required to maintain soil fertility and avoid the occurrence of pests and diseases. Generally speaking, crop rotation can be carried out with crops such as beans and melons to avoid the accumulation of pathogenic bacteria in the soil and the continuous damage of grass damage.
Integrated management: In addition to the above measures, integrated management is also required. For example, reasonable arrangement of planting time, strengthening field management, etc. These measures can promote the growth and development of leeks, improving their quality and yield.
In conclusion, to make leeks grow thick and strong, it is necessary to start from many aspects, including the selection of suitable varieties and planting sites, land preparation and fertilization, control of planting density, timely watering and fertilization, weeding and loosening of soil, pest control, harvesting and management, crop rotation and stubble, and integrated management. Only by doing a good job of these measures can we make leeks grow healthy and strong, and improve their quality and yield.
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