| 摘要 |
PURPOSE:To economically and readily carry out aquiculture by equipping a foamed molded article of synthetic resin with through holes, placing plant seedlings (seeds) in the through holes, floating the foamed molded article on water in a pond and growing the seedlings (seeds) by using nutrients contained in water in the pond. CONSTITUTION:A board 1 consisting of foam of synthetic resin is equipped with through holes 2 for fixedly transplanting plant seedlings or plant seeds at proper intervals and sponge pieces 3 are stored in the through holes 2. Then the plant seedlings or plant seeds of vegetable seed lings 5, etc., are arranged in the through holes 2, floated on the surface of water 4 in a pond and grown by using nutrients contained in water in the pond to extremely economically carry out aquiculture. |
