JP2023089542A - Fertilizer spraying device for laver cultivation and fertilizer spraying method for laver cultivation - Google Patents

Abstract

To obtain the effect of a fertilizer for laver cultivation and to prevent wasteful consumption of the fertilizer for laver cultivation.SOLUTION: In the present invention, a fertilizer spraying device for laver cultivation (1) is used, which is provided on the front side of a hull (2) with a nozzle (5) for spraying a fertilizer for laver cultivation (4) and on the rear side of the hull (2) with an open-top tank (6) for storing a fertilizer for laver cultivation (4). When a laver cultivation net (12) vertically suspended on a support (9) is separated from the sea surface (14), the fertilizer spraying device for laver cultivation (1) is moved along the laver farming net (12). Meanwhile, the fertilizer for laver cultivation (4) stored in the tank (6) is sprayed from the nozzle (5) toward the laver cultivation net (12) while the surplus seaweed cultivation fertilizer (4) is collected in the tank (6) at the same time.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a laver farming fertilizer spraying device and a laver farming fertilizer spraying method for spraying a laver farming fertilizer on a laver farming net suspended vertically from a pole.

When cultivating seaweed, a seaweed culture net is suspended freely up and down from multiple poles set up in the sea, seeds of seaweed are collected in the seaweed culture net, and the seaweed culture net is raised and lowered according to the ebb and flow of the tide. After that, the seaweed is harvested from the seaweed farming net.

In addition, in order to improve the quality of laver by preventing poor growth and discoloration of laver during cultivation, conventionally, fertilizer for laver farming is sprayed in the sea when growing laver (for example, patent documents 1).

JP 2012-250893 A

However, when the fertilizer for cultivating laver is spread in the sea as in the conventional method, the fertilizer for cultivating laver is dispersed in the sea due to the flow of tides and the like.

Therefore, in the conventional method of spraying laver farming fertilizer, the required amount of laver farming fertilizer is not sprayed on the laver being grown, so that sufficient effect cannot be obtained and the laver farming fertilizer is wasted. Was.

Therefore, in the present invention according to Claim 1, in the nori aquaculture fertilizer spraying apparatus, a nozzle for spraying nori aquaculture fertilizer from below toward a nori aquaculture net vertically suspended from a post is provided on the front side of the hull. In addition, a tank with an open top is provided on the rear side of the hull for storing the fertilizer for laver farming and for collecting surplus fertilizer for laver farming that has been sprayed from the nozzle toward the net for laver farming.

Further, in the present invention according to claim 2, in the method for spraying fertilizer for laver cultivation, a nozzle for spraying fertilizer for laver cultivation is provided on the front side of the hull, and the fertilizer for laver cultivation is stored on the rear side of the hull. Using a fertilizer spreader for laver farming provided with a tank with an opening at the top, when the laver farming net suspended freely up and down from the pole is separated from the sea surface, the fertilizer for laver farming is sprayed along the laver farming net. While moving the device, the manure for laver farming stored in the tank was sprayed from the nozzle toward the net for farming laver, and at the same time, surplus manure for laver farming was collected in the tank.

Further, in the present invention according to claim 3, in the present invention according to claim 2, the excess fertilizer for laver farming sprayed from the nozzle toward the laver farming net is all collected in the tank at a speed. I decided to adjust the speed of the hull.

And in this invention, there exists an effect described below.

That is, in the present invention, in a fertilizer spraying device for laver farming, a nozzle is provided on the front side of the hull for spraying the fertilizer for laver farming from below toward a laver farming net vertically suspended from a support, In addition to storing the fertilizer for seaweed cultivation, a tank with an upper opening for collecting surplus fertilizer for seaweed cultivation sprayed from the nozzle toward the seaweed cultivation net is provided at the rear of the hull. A required amount of laver farming fertilizer can be directly sprayed on the seaweed, and the effect of the laver farming fertilizer can be sufficiently obtained, and wasteful consumption of the laver farming fertilizer can be prevented. can.

Further, in the present invention, in the method for spraying fertilizer for laver cultivation, a nozzle for spraying fertilizer for laver cultivation is provided on the front side of the hull, and an upper part for storing the fertilizer for laver cultivation is provided on the rear side of the hull. Using a fertilizer spraying device for laver farming provided with a tank, and moving the fertilizer spraying device for laver farming along the laver farming net when the laver farming net suspended freely up and down from the support is separated from the sea surface. , the fertilizer for laver cultivation stored in the tank is sprayed from the nozzle toward the nori cultivation net, and at the same time, surplus nori cultivation fertilizer is collected in the tank, so that the required amount of laver is applied to the nori cultivation net. The manure for aquaculture can be directly sprayed, the effect of the manure for laver aquaculture can be fully obtained, and wasteful consumption of the manure for laver aquaculture can be prevented.

In particular, if the advancing speed of the hull is adjusted so that all of the surplus nori aquaculture fertilizer sprayed from the nozzle toward the nori aquaculture net is collected into the tank, the nori aquaculture fertilizer will be wasted. It is possible to more reliably prevent it from being consumed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory view showing a fertilizer spraying device for seaweed cultivation according to the present invention; BRIEF DESCRIPTION OF THE DRAWINGS Explanatory drawing which shows the fertilizer application method for seaweed culture which concerns on this invention.

Hereinafter, specific configurations of the fertilizer application apparatus for laver cultivation and the fertilizer application method for laver cultivation according to the present invention will be described with reference to the drawings.

As shown in FIG. 1, the fertilizer application apparatus 1 for seaweed farming has an outboard motor 3 that can be propelled and steered at the rear end of a hull 2 . A controller (not shown) is connected to the outboard motor 3, and the controller can control the propulsion direction and the propulsion speed of the fertilizer spraying device 1 (hull 2) for laver farming.

The hull 2 is provided with a plurality of nozzles 5 for spraying the liquid nori aquaculture fertilizer 4 on the front side at intervals in the horizontal width direction of the hull 2 .

The nozzle 5 only needs to be able to jet the manure 4 for cultivating seaweed upward, and the direction and speed of jetting may be changed. In that case, a controller is connected to the nozzle 5 so that the injection direction and injection speed of the laver culture fertilizer 4 can be controlled by the controller.

Further, the hull 2 is provided with a tank 6 with an upper opening for storing the manure 4 for cultivating seaweed on the rear side and for recovering the manure 4 for cultivating seaweed that has been sprayed from the nozzle 5 .

The tank 6 may be provided with a concentration adjuster for adjusting the concentration of the laver aquaculture fertilizer 4 and a foreign matter removal device for removing foreign matter, and also improve the recovery efficiency of the surplus nori aquaculture fertilizer 4. For this reason, the opening may be provided with a funnel-shaped peripheral wall.

Tank 6 is connected to nozzle 5 via pump 7 . The pump 7 is connected to a controller so that the controller can control the injection amount of the laver culture fertilizer 4 injected from the nozzle 5 .

The laver farming fertilizer spraying device 1 is configured as described above, and is used for spraying the laver farming fertilizer 4 during laver farming.

Nori seaweed is cultivated by erecting a plurality of pillars 9 on the seabed 8 with intervals in the front, back, left and right, and providing a floating ring 10 on each pillar 9 so that it can move up and down along the pillar 9, and hanging on each floating ring 10. A seaweed cultivation net 12 is attached via a rope 11 . Each floating ring 10 is fitted with a tether 13 attached to the upper end of the strut 9 . As a result, the floating ring 10 moves up and down along the post 9 according to the ebb and flow of the tide, and the seaweed cultivation net 12 is stretched on the sea surface 14 accordingly. The seaweed cultivation net 12 is suspended above the sea surface 14, and the cultivated seaweed is sterilized by the sun.

When the seaweed aquaculture net 12 is suspended above the sea surface 14, the seaweed aquaculture net 12 is separated from the sea surface 14, and fertilizer for laver aquaculture is spread between the sea surface 14 and the nori aquaculture net 12. The device 1 can be moved.

Therefore, when the seaweed cultivation net 12, which is vertically suspended from the support 9, is separated from the sea surface 14, as shown in FIG. The laver aquaculture fertilizer 4 stored in the tank 6 is sprayed from the nozzle 5 toward the laver aquaculture net 12, and at the same time, surplus nori aquaculture fertilizer 4 not adhering to the laver aquaculture net 12 or laver is collected in the tank 6.例文帳に追加In FIG. 2 , the white arrow indicates that the fertilizer for laver farming 1 is moved without spraying the manure for laver farming 4 from the nozzle 5 , and the black arrow indicates that the manure for laver farming is dispensed from the nozzle 5 . It shows that the fertilizer spraying device 1 for laver cultivation moves while spraying 4.

At that time, the outboard motor 3, the nozzle 5, and the pump 7 can be adjusted manually or by a controller, and the surplus seaweed farming fertilizer 4 sprayed from the nozzle 5 toward the seaweed farming net 12 is all collected in the tank 6. It is also possible to adjust the traveling speed of the hull 2 and the injection speed of the nozzle 5 so as to achieve the desired speed.

Further, the laver farming fertilizer spraying device 1 may be controlled by remote control, and the laver farming fertilizer spraying device 1 is moved along a preset route using a GPS signal or the like to apply the laver farming fertilizer 4. Spraying and collection can also take place. In addition, a sensor for detecting the upper seaweed aquaculture net 12 is provided in the laver aquaculture fertilizer spraying device 1, and when the sensor detects that the nori aquaculture net 12 exists above, the laver aquaculture fertilizer 4 is supplied from the nozzle 5. You may make it spread.

As described above, the manure spraying apparatus for laver culture 1 has a nozzle 5 for spraying the manure for laver culture 4 from below toward the laver culture net 12 vertically suspended from the pillars 9 . The tank 6 is provided on the front side of the hull 2 and has an upper opening for storing the fertilizer 4 for cultivating seaweed and collecting the surplus fertilizer 4 for cultivating seaweed sprayed from the nozzle 5 toward the net 12 for cultivating seaweed. It has a configuration provided on the rear side.

Therefore, the laver farming fertilizer spraying apparatus 1 having the above configuration can directly spray a required amount of the laver farming fertilizer 4 on the laver of the laver farming net 12, and the effect of the laver farming fertilizer 4 can be sufficiently obtained. In addition, wasteful consumption of the manure 4 for cultivating seaweed can be prevented.

Further, in the method for spraying nori-cultivating fertilizer, the nozzles 5 for spraying the nori-cultivating fertilizer 4 are provided on the front side of the hull 2, and the upper part for storing the laver-cultivating fertilizer 4 is provided on the rear side of the hull 2. Using a fertilizer spraying device 1 for laver cultivation provided with an open tank 5, laver cultivation is carried out along the laver cultivation net 12 when the laver cultivation net 12 vertically suspended on a support 9 is separated from the sea surface 14. While moving the fertilizer spraying device 1, the laver aquaculture fertilizer 4 stored in the tank 5 is sprayed from the nozzle 5 toward the laver aquaculture net 12, and at the same time, surplus laver aquaculture fertilizer 4 is collected in the tank 6. It's becoming

Therefore, in the method for spraying the fertilizer for laver farming with the above configuration, the required amount of the fertilizer for laver farming 4 can be directly sprayed on the laver of the laver farming net 12, and the effect of the fertilizer for laver farming 4 can be fully obtained. At the same time, wasteful consumption of the manure 4 for cultivating seaweed can be prevented.

Further, in the method of spraying fertilizer for laver cultivation, the advancing speed of the hull 2 is adjusted so that all the surplus fertilizer for laver cultivation 4 sprayed from the nozzle 5 toward the laver cultivation net 12 is collected in the tank 6. It is configured to

Therefore, in the method for spraying fertilizer for laver cultivation with the above configuration, wasteful consumption of the fertilizer for laver cultivation 4 can be more reliably prevented.

REFERENCE SIGNS LIST 1 Nori seaweed farming fertilizer spraying device 2 Hull 3 Outboard motor 4 Nori seaweed farming fertilizer 5 Nozzle 6 Tank 7 Pump 8 Bottom of sea 9 Strut 10 Floating ring
11 Hanging rope 12 Nori seaweed net
13 Attachment line 14 Sea surface

Claims (3)

A nozzle is provided on the front side of the hull for spraying fertilizer for seaweed farming from below toward the seaweed farming net that is vertically suspended from the support, and the fertilizer for seaweed farming is stored and directed from the nozzle toward the seaweed farming net. A manure spraying device for laver farming, characterized in that a tank with an upper opening for collecting the sprinkled surplus manure for laver farming is provided on the rear side of a hull. Using a nori aquaculture fertilizer sprayer provided with a nozzle for spraying laver aquaculture fertilizer on the front side of the hull and a tank with an upper opening for storing the nori aquaculture fertilizer on the rear side of the hull,
When the seaweed aquaculture net suspended vertically from the pole is separated from the sea surface, the laver aquaculture fertilizer spreader is moved along the laver aquaculture net, and the laver aquaculture fertilizer stored in the tank is applied from the nozzle to the nori aquaculture. A method for spraying fertilizer for laver farming, characterized in that the fertilizer is sprayed toward a net and surplus fertilizer for laver farming is collected in a tank at the same time. 3. The hull for laver aquaculture according to claim 2, wherein the advancing speed of the hull is adjusted so that all the surplus nori aquaculture fertilizer sprayed from the nozzle toward the nori aquaculture net is collected in the tank. Fertilizer application method.

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