MySheen

Distribution of the latest lettuce production area

Published: 2024-11-05 Author: mysheen
Last Updated: 2024/11/05, Lettuce is adaptable and can be cultivated in spring and autumn or overwintering. It is mainly cultivated in spring and harvested in summer. It is one of the most common vegetables on the table, but do you know where lettuce comes from? Next, oh, let's have a look together! Distribution of producing area of lettuce

Asparagus lettuce adaptability is strong, can spring and autumn or winter cultivation, mainly in spring cultivation, summer harvest, is one of the most common vegetables on the table, but do you know what lettuce origin? Let's take a look at it together!

Distribution of lettuce production area

Lettuce originated in the Mediterranean coast, about the beginning of the seventh century, introduced into China by West Asia, widely cultivated everywhere.

Growth Habits of Lettuce

Lettuce is sensitive to the acidity and alkalinity of soil and is suitable for planting in slightly acidic soil. The root system of lettuce is shallow, the absorption capacity is weak, and the oxygen requirement is high. The soil for planting lettuce is sandy loam and loam.

Growth cycle of lettuce

The whole growth process of lettuce includes seed germination stage, seedling stage, rosette stage, fleshy stem formation stage and flowering and fruiting stage. The growth cycle of lettuce is about 80-100 days, which can be divided into the following cycles:

1. Germination period: It takes 8-10 days from sowing to true leaf appearance.

2. Seedling stage: true leaves emerge to the first phyllotaxis 5 or 8 leaves and one part of them unfolds. Direct seeding takes 17-27 days; seedling takes more than 30 days

3. Rosette stage: from "cluster tree" to the third leaf order, the heart leaf is flush with the outer leaf, which takes 20-30 days.

4, fleshy stem formation period: stem rapid expansion, rapid expansion of leaf area, it takes about 30 days. Pea clip, 30 days after sowing can be picked bean tips.

 
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