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Carbon dioxide fertilizing device

A technology of carbon dioxide and fertilization device, applied in horticulture, horticultural methods, botanical equipment and methods, etc., can solve the problems of reducing the speed of photosynthesis, absorbing carbon dioxide, etc.

Active Publication Date: 2019-08-30
YANMAR POWER TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even when the plant receives light and the leaf temperature is high, when water stress occurs due to insufficient water, the plant closes the stomata in order to maintain water, and it cannot absorb carbon dioxide from the stomata, and the speed of photosynthesis is significant. reduce

Method used

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  • Carbon dioxide fertilizing device
  • Carbon dioxide fertilizing device
  • Carbon dioxide fertilizing device

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Experimental program
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Embodiment Construction

[0029] Below, use figure 1 as well as figure 2 The overall structure of the carbon dioxide fertilization device 1 which is one embodiment of the carbon dioxide fertilization device will be described.

[0030] The agricultural facility 2 is a facility for growing plants such as various vegetables, fruits, and flowers. Specifically, facilities configured to form a closed space, such as a greenhouse or a glass house, may be mentioned.

[0031] The trigeneration device 3 is a device for supplying electric power, heat, and carbon dioxide to the agricultural facility 2 . The trigeneration device 3 is installed near the agricultural facility 2 . The trigeneration device 3 supplies carbon dioxide to the inside of the agricultural facility 2 through the carbon dioxide supply path 4 provided along the side of the agricultural facility 2 . The trigeneration device 3 includes an engine generator 5 , a waste heat recovery mechanism 6 for the engine generator 5 , a carbon dioxide separ...

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Abstract

Provided is a carbon dioxide fertilizing device capable of optimally controlling the amount of supply of carbon dioxide in accordance with the state of photosynthesis of a plant. This carbon dioxide fertilizing device 1 determines the state of photosynthesis of a plant 23 on the basis of the difference in temperature of a leaf vein part 34 and a leaf blade part A of the plant 23 and the time, determines the rate of photosynthesis of the plant 23 on the basis of the temperature difference between the temperature in an agricultural facility and the leaf temperature of the plant 23, and controlsthe amount of supply of carbon dioxide to the agricultural facility in which the plant 23 is grown on the basis of the state of photosynthesis of the plant 23 using the determined photosynthesis rateof the plant 23 as an index.

Description

technical field [0001] The invention relates to a carbon dioxide fertilization device. Specifically, it relates to a carbon dioxide fertilization device for a facility for cultivating plants. Background technique [0002] Conventionally, carbon dioxide has been used as a substrate for photosynthesis in plants, and the rate of photosynthesis is affected by the concentration of carbon dioxide. In the case of insufficient carbon dioxide required for photosynthesis, the speed of photosynthesis will decrease. In the production of agricultural products, carbon dioxide is fertilized to plants to maintain a high concentration of carbon dioxide, increase the speed of photosynthesis, and promote growth, thereby achieving an increase in yield and quality. This situation is called carbon dioxide fertilization. As a carbon dioxide fertilization technique, a carbon dioxide-containing microbubble water supply method capable of supplying sufficient carbon dioxide to the vicinity of plant ...

Claims

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Application Information

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IPC IPC(8): A01G7/02A01G7/00A01G9/18
CPCA01G7/02A01G9/18
Inventor 武本徹石井章夫
Owner YANMAR POWER TECHNOLOGY CO LTD