Planting method of lettuces

Abstract

The invention discloses a planting method of lettuces. The planting method comprises the following steps of (1), soil preparation, wherein a high and dry land block good in drainage is selected as a seedbed, 5-7 days before sowing, 300-400 kg of decomposed organic fertilizer is applied in every mu as base fertilizer, deep tillage is conducted before the fertilizer is applied and soil is prepared,and the soil is leveled and thinned; (2), seed treatment, after being soaked for 24 hours, seeds are covered with wet cloth, are put into a refrigerator or a refrigerated cabinet, are frozen at -3 DEGC to 5 DEG C for 24 hours and are then put at a cool place; (3), sowing, regarding spring lettuces, when sowing and seedling are conducted in a greenhouse, firstly thin film on a seedling bed is removed to water the seedling bed with enough bottom water, after water permeates downwards, the seeds are mixed with a small amount of fine sand or fine soil, and after uniform stirring, spray sowing isconducted; (4), field planting. By means of the planting method of the lettuces, through the reasonable soil preparation, seed treatment, sowing method and field planting, the yield of the lettuces isincreased, the healthy degree of the lettuces is increased, and less pesticide is sprayed.

Description

technical field [0001] The invention belongs to the technical field of agriculture, and in particular relates to a lettuce planting method. Background technique [0002] Lettuce, also known as lettuce, spring vegetable, wheat vegetable, is one of the annual or biennial herbaceous plants of the genus Lactuca in the Asteraceae family. It is a very common edible vegetable. People in China, Japan and other countries often eat it cooked. In Western culture, people often eat it raw in salads, hamburgers and other foods. In Hong Kong, in order to distinguish it from Western lettuce, lettuce is also called Tang lettuce. [0003] But existing lettuce planting method is not perfect enough, can't guarantee the quality and green safety of lettuce under the situation of guaranteeing output. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a lettuce planting method aiming at the deficiencies of the above-mentioned prior art. ...

AI Technical Summary

Problems solved by technology

[0003] However, the existing lettuce planting methods are not perfect enough