| abstract |
The invention discloses a method for harvesting and cultivating lettuce in summer and autumn in a cool area, and belongs to the field of agricultural planting. The method includes field management and timely harvesting steps such as soil preparation, fertilization and film mulching, stubble selection and the like. By selecting suitable sowing area, stubble arrangement and fertilizing method, the invention can ensure that lettuce is harvested and supplied to the market in summer and autumn. Utilizing the present invention, under the condition of ensuring the quality and quality such as moderate stem thickness and less cracking, the output of different varieties of lettuce in summer and autumn reaches between 2700kg/667m 2 -3500kg/667m 2 (as shown in Figure 1 and Figure 2 ), and it is put on the market. The time from the end of June to November lasted for nearly 5 months, which was nearly 4 months longer than the single-season (single crop) planting time, which provided a time-cycle guarantee for the staggered supply in the market. |