Compound granule for improving aquatic water quality and substrate and preparation method thereof

Abstract

The invention discloses water quality and bottom soil quality improvement compound granules for aquatic products and a preparation method thereof. The compound granules comprise the following raw materials in parts by weight: 55-65 parts of polyferric sulfate, 24-36 parts of sodium humate and 5-17 parts of ferric oxide. The invention further discloses a method for preparing the water quality and bottom soil quality improvement compound granules for aquatic products. According to the compound granules disclosed by the invention, the polyferric sulfate is capable of adsorbing harmful heavy metal ions in the water and purifying the water quality; the sodium humate is capable of promoting alga growth and regulating the algal phase; and the ferric oxide is capable of improving the redox potential of the water body and promoting oxidative decomposition of the water bottom humus layer.

Description

technical field [0001] The invention relates to the field of aquaculture. More specifically, the invention relates to a compound granule for improving aquatic water quality and substrate and a preparation method thereof. Background technique [0002] Aquaculture is an important part of my country's agriculture, which occupies a relatively large proportion in the national economy. However, with the expansion of aquaculture, water quality often deteriorates during the breeding process, and black mud accumulates at the bottom of the breeding pond. If If the treatment is not good, fish will die on a large scale, causing huge losses to farmers. In recent years, according to the research of agricultural science and technology workers, it has been found that the reason for this phenomenon is that the breeding density is high, and the feed that is sprinkled at the bottom of the breeding pond Covered with fish excrement, resulting in eutrophication of the water body, and the bottom of...

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Problems solved by technology

[0002] Aquaculture is an important part of my country's agriculture, which occupies a relatively large proportion in the national economy. However, with the expansion of aquaculture, water quality often deteriorates during the breeding process, and black mud accumulates at the bottom of the breeding pond. If If the treatment is not good, fish will die on a large scale, causing huge losses to farmers. In recent years, according to the research of agricultural science and technology workers, it has been found that the reason for this phenomenon is that the breeding density is high, and the feed that is sprinkled at the bottom of the breeding pond Covered with fish excrement, resulting in eutrophication of the water body, and the bottom of the aquaculture pond is not enough oxygen, anaerobic bacteria anaerobic fermentation produces a lot of toxic and harmful substances, at the same time, the algae in the water mass reproduction consumes the oxygen contained in the water body, further The living environment of fish has deteriorated. In order to deal with this situation, many agricultural science and technology workers have developed various water quality improvers and substrate improvers. control, it may cause the improver to dissolve before it is thrown into the bottom of the pool and not exert its due effect, resulting in waste

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