Anhui Agricultural Science Bulletin >
2025 , Vol. 31 >Issue 20: 28 - 32
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.20.007
Standardized and efficient cultivation techniques for highland lettuce in Taibai County
Received date: 2025-02-13
Online published: 2025-10-31
Based on the practice of highland lettuce planting in Taibai County, Shaanxi Province, the standardized and efficient cultivation technology of highland lettuce were systematically analyzed from the aspects of environment requirements, variety selection, fine land preparation, seedling transplanting and so on. In terms of the environmental requirements for the production area, a cold and cool highland region with an altitude of over 600 m is selected. The terrain of the plot should be high, dry, open and flat. In terms of variety selection, choose varieties with stable traits, high quality, high yield, strong adaptability and stress resistance, good storage and transportation properties, and suitable for mechanized planting, such as Romaine lettuce, Italian lettuce, etc. In terms of meticulous land preparation, the garden should be cleared in a timely manner, appropriate mechanical deep ploughing of the soil should be selected, and a base fertilizer + top dressing model should be adopted. In terms of seed treatment, before sowing, mix the seeds with 50% wettable powder of carbendazim, etc. When the temperature is above 25 ℃, the seeds should undergo low-temperature germination treatment. In terms of seedling transplanting, floating seedling raising in trays and hydroponic seedling raising on plastic tray cold bed substrates are adopted. Substrates that are loose, have good water retention and air permeability, and are free of pathogens are selected. Precise seeding should be carried out either manually or with precision seeding equipment. The seeding amount should be 1 to 2 seeds per hole, and the seeding depth should be 0.5 to 1.0 cm. In terms of planting management, for early spring crops, when the temperature in the 5 cm soil layer stabilizes above 10 ℃, it is advisable to plant in the morning or afternoon on a sunny day or on a cloudy day. In terms of seedling management, water and fertilize reasonably according to the growth conditions of lettuce at different growth stages. In terms of pest and disease control, it is necessary to promptly and thoroughly remove diseased and dead plants and weeds in the fields, set up insect-proof nets, utilize natural enemy populations of pests such as ladybugs, and spray appropriate chemical agents to control pests and diseases. In terms of timely harvesting, when the leaves of lettuce are plump, tender green and free of disease spots and dry leaves, it is advisable to harvest them in the early morning or around sunset. In terms of agricultural production waste treatment, centralized and unified treatment of agricultural residual films and pesticide packaging waste is carried out, and fertilizer packaging waste is recycled. This article provides a reference for the development of the alpine lettuce industry.
CHEN Yongli , JING Weiming , WANG Gang . Standardized and efficient cultivation techniques for highland lettuce in Taibai County[J]. Anhui Agricultural Science Bulletin, 2025 , 31(20) : 28 -32 . DOI: 10.16377/j.cnki.issn1007-7731.2025.20.007
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