The scientific basis of the husband-wife transplantation method is as follows:

1, saving labor, time, labor and seeds, improving transplanting speed and reducing seedling shortage, seedling withering and seedling death.

2. Good ventilation and light transmission, sufficient nutrient supply, vigorous plant growth, strong resistance and difficulty in lodging.

3. Light, temperature and light resources can be fully utilized to increase the output per unit area.

4. It is convenient for field management such as fertilization, weeding and pesticide application.

5, easy to harvest.