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Hydrophytic germination prevention agent

A technology for aquatic plants and water areas, applied in the direction of plant growth regulators, plant growth regulators, biocides, etc., can solve problems such as odor, adverse effects on the ecosystem, and deterioration of the lake bottom environment

Active Publication Date: 2014-05-07
UBE CHEM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, if the aquatic plants are abnormally luxuriant, various problems such as: generation of bad smell due to corruption (bad influence on life), obstruction of navigation of ships, obstruction of fishery (deterioration of fishery environment), deterioration of lake bottom environment (mudification (sludge) ), poor oxidation (poor )), adverse effects on the ecosystem
However, this method requires a lot of labor and needs to deal with the eradicated aquatic plants.

Method used

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  • Hydrophytic germination prevention agent
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Examples

Experimental program
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Embodiment 1

[0038] Take the bottom mud and lake water of the lake where water chestnut grows luxuriantly, put them into a transparent plastic box (length 18cm x width 30cm x height 23cm), so that the bottom mud depth is about 3cm, and the lake water depth is about 9cm. Then, hard-burned magnesium oxide powder (particle size: 0.75mm or less, apparent density: 3.23g / cm 3 )54g (per 1m 2 The amount in the bottom mud of the area is 1kg) spreads in the whole bottom mud in the mode of uniform accumulation, leaves standstill. figure 1 A photograph showing the transparent plastic box taken from above after 3 weeks has passed. like figure 1 As shown, even after 3 weeks, the water chestnut still did not germinate. In addition, when the bottom mud after 3 weeks was poked with a glass rod, it was found that the bottom mud had not hardened.

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Abstract

The invention provides a hydrophytic germination prevention agent, capable of preventing such as an emerging plant, a floating leaf plant, a submergent plant and a hydrophyte plant rooted into the bottom mud of the fresh water area. The approach for solving the technical problem is that: a magnesia powder with particle diameter of below 1mm is distributed in the bottom mud of the fresh water area.

Description

technical field [0001] The present invention relates to an agent for preventing germination of aquatic plants, such as emergent plants, floating plants, and submerged plants, rooted in the sediment of freshwater waters, and a method for preventing germination of aquatic plants. Background technique [0002] In fresh waters such as rivers and lakes, aquatic plants thrive by absorbing nutrients such as phosphorus and nitrogen in the water or sediment, so it is believed to have the effect of inhibiting the occurrence of green algae. [0003] However, if the aquatic plants are abnormally luxuriant, various problems such as: generation of bad smell due to corruption (bad influence on life), obstruction of navigation of ships, obstruction of fishery (deterioration of fishery environment), deterioration of lake bottom environment (mudification (sludge) ), poor oxidation (poor )), adverse effects on the ecosystem. [0004] As a method of removing aquatic plants luxuriant in fres...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N59/06A01N25/12A01P21/00A01G7/06
CPCA01G13/00A01N25/12A01N25/34A01N59/06C09K17/02C09K17/50
Inventor 明石一三
Owner UBE CHEM IND CO LTD