What are the methods for raising rice seedlings?

According to the different irrigation water management methods, rice seedlings can be divided into three ways, namely, water seedlings, wet seedlings and dry seedlings.

Water seedling raising: soil preparation takes water as the bed, and water is used for sowing. In the whole process of seedling raising, except for preventing cotton from rotting roots, rotting seedlings and taking root in the open field, a water layer has been established.

Wet seedling raising: wet sowing is carried out by using soil preparation as bed, and intermittent irrigation is carried out according to the water shortage degree of seedling field after emergence, with wetting as the main method.

Dry seedling raising: dry land preparation and dry bed sowing, artificial watering and water supplement, no water layer is established in the whole seedling raising process, and furrow irrigation or horse racing irrigation can be used in the later stage of seedling raising.

According to the different seedling raising methods, there are bare seedling raising and plastic film insulation seedling raising. Due to different cultivation methods and regions, there are plastic greenhouses, middle sheds and tunnel arch sheds or tiled seedlings. According to the different sowing mats, there are soilless seedlings and soil seedlings, open-field seedlings and isolation layer seedlings (floppy disks, pots and pans, perforated plastic films and other substances). There are dry fields, garden fields, courtyards, high platforms and Honda seedlings. According to different insulation materials, there are perforated plastic film covering, non-porous film covering, non-woven fabric covering and plastic film double-layer covering. There are wide bed, narrow bed seedling raising method and open-close ventilation under ventilation, which method should be adapted to local conditions.