Method for culturing lettuce

Abstract

The invention discloses a method for culturing lettuce. The method comprises the steps of culture preparation, seedling culture, planting, fertilizer and water management and harvesting. The method has the advantages that: by organic soilless culture of the lettuce in a greenhouse, the lettuce has high quality and high yield, has no continuous cropping obstacles, cannot be limited by seasons and is supplied all the year round; and by adopting soilless culture, the management is simple and convenient, plant diseases and insect pests can be reduced, the consumption of pesticide is reduced, water and fertilizer are saved, and environmental pollution is reduced.

Description

technical field [0001] The invention relates to a vegetable cultivation method, in particular to a lettuce cultivation method. Background technique [0002] Lettuce is leaf lettuce, which is named after it is suitable for raw food. Lettuce is rich in water, so raw food is crisp and refreshing, especially fresh and tender. Lettuce is extremely nutritious, containing antioxidants, β-carotene, vitamins B1, B2, B6, vitamin C, and vitamin E, and also rich in trace elements and dietary fiber, including calcium, phosphorus, potassium, sodium, magnesium and a small amount copper, iron, zinc. The main eating method of lettuce is raw food, which is the main dish of western vegetable salad. Lettuce has low calorie content and is very popular among people. [0003] The traditional lettuce cultivation mode is difficult to control because of the environment, prone to disease and insect pests, resulting in low yield, poor quality, and high pesticide residues. Contents of the inventio...

AI Technical Summary

Problems solved by technology

[0003] The traditional lettuce cultivation mode is difficult to control because of the environment, prone to pests and diseases, resulting in low yield, poor quality, and high pesticide residues