| 摘要 |
PURPOSE:To enable growth of plural plants on a bed in a good balance, by slantingly setting a culture bed and laying a means to feed a nutrient solution to the tip of the culture bed and a means to discharge the nutrient solution remaining in the culture bed. CONSTITUTION:A culture bed 11 is slantingly set, means 14 and 15 to feed a nutrient solution to the tip of the bed and a means 16 to discharge the nutrient solution on the culture bed 11 are set. The means 16 to discharge the nutrient solution consists of the a double pipe 16 laid along the slant direction of the bed 11, an outer pipe 17 and an inner pipe 18 thereof are equipped with holes 19 and 20, respectively, at a given interval and preferably these holes 19 and 20 are coincident, closed or degree of coincidence is adjustable. |
