application of nutrient solution to rasing of rice seedling in tray and its facilities

摘要

PURPOSE: A use of nutrient solution to raise seedling in rice container and device therefor which can reduce expense of soils to 1/2-1/3 of the currently used amount, distribution cost for soils by changing nutrients feeding method, and the weight of seed bed, facilitating work at raising of seedling site and rice field, is provided. CONSTITUTION: A method for raising of seedling is characterized by injecting, spraying nutrient solution to a seed bed or submerging the seed bed in the broth for feeding nutrients to rice seedling, particularly using a trailer, circuit path, and spraying chamber in its raising system. The feeding is achieved in a way that the trailer passes through a site where nutrient solution or other liquids are to be sprayed.