NUTRIENT SALT SUPPLYING DEVICE FOR SEAWEED, AND METHOD FOR SUPPLYING NUTRIENT SALT FOR SEAWEED

PROBLEM TO BE SOLVED: To provide a nutrient salt supplying device for seaweed, efficiently supplying nutrient salt, and suppressing to the minimum, a construction in the natural environment such as bottom of the sea and seashore. SOLUTION: This nutrient salt supplying device includes installing on a...

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Bibliographische Detailangaben
Hauptverfasser: HORIIE MOICHI, NISHIDA HIDENORI, UKI NAGAHISA, ABE KAREI, UEDA SHIGERU
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a nutrient salt supplying device for seaweed, efficiently supplying nutrient salt, and suppressing to the minimum, a construction in the natural environment such as bottom of the sea and seashore. SOLUTION: This nutrient salt supplying device includes installing on a land facing the sea, a first elution water tank 3 eluting iron fulvate to water, a second elution water tank 4 eluting nutrient salt such as nitrogen and phosphorus to water, a water supply mechanism supplying water to the first elution water tank and the second elution water tank, and an elution component-containing water supply mechanism selecting elution component-containing water either one or both in the first elution water tank and the second elution water tank followed by supplying to the sea. The elution component-containing water in the elution water tank is selected by the elution component-containing water supply mechanism, corresponding to the life history of seaweed living in the bottom of the sea, and supplied to a sea area 2 to be a seaweed bed. COPYRIGHT: (C)2011,JPO&INPIT