MODIFIED SOIL FOR CREATING BRACKISH WATER EELGRASS BED, AND METHOD FOR CREATING BRACKISH WATER EELGRASS BED USING THE SAME, AND METHOD FOR GROWING EELGRASS IN BRACKISH WATER REGION

• Main Authors: KATO TOSHIRO, KOSUGI CHIKA
• Format: Patent
• Language: English; Japanese
• Published: 22.11.2018
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED; FISHING; FORESTRY; HORTICULTURE; HUMAN NECESSITIES; HUNTING; NEW BREEDS OF ANIMALS; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; TRAPPING; WATERING

PROBLEM TO BE SOLVED: To provide a modified soil for creating an eelgrass bed which can suppress solidification of a seaweed bed and a rise of soil PH as much as possible even when used in a brackish water region and create the eelgrass bed suitable for raising the eelgrass, a method for creating a brackish water eelgrass bed using the same, and a method for growing the eelgrass.SOLUTION: A modified soil for creating a brackish water eelgrass bed used in a brackish water region is made of a mixture of dredged sediment and fine-particles removal steel slag in which fine-particles in the steel slag are removed. A method for creating a brackish water eelgrass bed is given in which the fine-particles removal steel slag obtained by removing fine-particles in the steel slag is mixed into the dredged sediment to prepare the modified soil, and the modified soil is laid on the bottom material of the brackish water region to create the eelgrass bed. A method for growing the eelgrass in the brackish water region is given using the modified soil.SELECTED DRAWING: None 【課題】汽水域で用いられても藻場の固化やｐＨの上昇を可及的に抑制することができ、アマモの育成に適したアマモ場を造成することができるアマモ場造成用の改質土を提供し、また、このような改質土を用いた汽水域でのアマモ場の造成方法、及びアマモの育成方法を提供する。【解決手段】浚渫土砂と、鉄鋼スラグ中の細粒分が除去された細粒分除去鉄鋼スラグとの混合物からなる、汽水域で用いるための汽水域アマモ場造成用改質土であり、また、鉄鋼スラグ中の細粒分を除去して得られた細粒分除去鉄鋼スラグを浚渫土砂中に混合して改質土を調製し、この改質土を汽水域の底質に敷設してアマモ場を造成する汽水域アマモ場の造成方法であり、更に、この改質土を用いて汽水域でアマモを育成する方法である。【選択図】なし