Biological organic fertilizer applicable to heavy metal contaminated cultivated lands and preparation method of biological organic fertilizer

A bio-organic fertilizer and heavy metal technology is applied in the preparation of organic fertilizers, the treatment of bio-organic parts, and organic fertilizers. Effect

Inactive Publication Date: 2017-06-13
HUNAN ZHONGKE AGRI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, arable land heavily polluted by heavy metals cannot grow edible plants

Method used

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  • Biological organic fertilizer applicable to heavy metal contaminated cultivated lands and preparation method of biological organic fertilizer
  • Biological organic fertilizer applicable to heavy metal contaminated cultivated lands and preparation method of biological organic fertilizer
  • Biological organic fertilizer applicable to heavy metal contaminated cultivated lands and preparation method of biological organic fertilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] The bio-organic fertilizer suitable for the use of heavy metal polluted cultivated land of the present embodiment, its preparation process is as follows:

[0049] 1. Preparation of materials:

[0050]Take 5 parts of ammonium sulfate, 10 parts of potassium dihydrogen phosphate, 6 parts of ammonium chloride, 2 parts of trace elements (including iron, manganese, zinc, silicon converted into equal parts by weight), 30 parts of calcium oxide, poultry 10 parts of livestock manure, 60 parts of soil fertilizer, 3 parts of biological bacteria agent (including nitrogen-fixing bacteria, phosphorus-solubilizing bacteria, potassium-solving bacteria, bacillus, filamentous fungi) in equal parts, 2 parts of camellia oleifera meal, 5 parts of camellia oleifera husk , 3 parts of starch, 0.5 part of polyaluminum chloride, for later use;

[0051] 2. Raw material pretreatment:

[0052] ①. Decomposition treatment: uniformly mix poultry manure, soil miscellaneous fertilizers, and biological...

Embodiment 2

[0059] The bio-organic fertilizer suitable for the use of heavy metal polluted cultivated land of the present embodiment, its preparation process is as follows:

[0060] 1. Preparation of materials:

[0061] Take 7 parts of ammonium sulfate, 8 parts of potassium dihydrogen phosphate, 4 parts of ammonium chloride, 3 parts of trace elements (including iron, manganese, zinc, silicon converted into equal parts by weight), 20 parts of calcium oxide, poultry 25 parts of livestock manure, 40 parts of soil fertilizer, 2 parts of biological bacteria agent (including nitrogen-fixing bacteria, phosphorus-solubilizing bacteria, potassium-solving bacteria, actinomycetes, and yeast) in equal parts, 4 parts of camellia oleifera meal, 3 parts of camellia oleifera husk , 1 part of pregelatinized starch, 1 part of polyaluminum chloride, set aside;

[0062] 2. Raw material pretreatment:

[0063] ①. Decomposition treatment: uniformly mix poultry manure, soil miscellaneous fertilizers, and biolo...

Embodiment 3

[0070] The bio-organic fertilizer suitable for the use of heavy metal polluted cultivated land of the present embodiment, its preparation process is as follows:

[0071] 1. Preparation of materials:

[0072] Take 6 parts of ammonium sulfate, 9 parts of potassium dihydrogen phosphate, 5 parts of ammonium chloride, 2.5 parts of trace elements (including iron, manganese, zinc, silicon converted into equal parts by weight), 25 parts of calcium oxide, poultry 20 parts of animal manure, 50 parts of soil fertilizer, 2.5 parts of biological bacteria agent (including nitrogen-fixing bacteria, phosphorus-solubilizing bacteria, potassium-solving bacteria, bacillus, actinomycetes, filamentous fungi, yeast) in equal parts by weight, camellia oleifera meal 3 parts, 4 parts of Camellia oleifera husk, 2 parts of pregelatinized starch, 0.8 part of polyaluminum chloride, set aside;

[0073] 2. Raw material pretreatment:

[0074] ①. Decomposition treatment: uniformly mix poultry manure, soil m...

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Abstract

The invention discloses a biological organic fertilizer applicable to heavy metal contaminated cultivated lands and a preparation method of the biological organic fertilizer, relating to the technical field of agricultural fertilizers. The biological organic fertilizer is prepared from the following raw materials in parts by weight: 5-7 parts of ammonium sulfate, 8-10 parts of potassium dihydrogen phosphate, 4-6 parts of ammonium chloride, 2-3 parts of microelements, 20-30 parts of calcium oxide, 10-25 parts of poultry and livestock manure, 40-60 parts of a miscellaneous fertilizer, 2-3 parts of a biological bacterial agent, 2-4 parts of oil-tea meal, 3-5 parts of oil-tea husk, 1-3 parts of starch and 0.5-1 part of aluminum polychlorid. The biological organic fertilizer is applicable to the heavy metal contaminated cultivated lands and has the characteristics that agricultural products which are low in relatively low heavy metal convent and meet the food safety can be planted, and the like; and the biological organic fertilizer can be used as a fertilizer for the planting of heavy metal contaminated paddy fields in the south of China and can also be applied to the restoration and ecological improvement of the heavy metal contaminated paddy fields.

Description

technical field [0001] The invention relates to the technical field of agricultural fertilizers, in particular to a bio-organic fertilizer suitable for heavy metal polluted cultivated land and a preparation method thereof. Background technique [0002] Heavy metals that exist in various chemical states or chemical forms will persist, accumulate and migrate after entering the environment or ecosystem, causing harm. [0003] In terms of environmental pollution, heavy metals refer to heavy metals with significant biological toxicity such as mercury, cadmium, lead, and "metalloids" - arsenic. There are five types that are most harmful to the human body: lead, mercury, arsenic, cadmium, and chromium. [0004] Since the last century, due to various reasons, the content of heavy metals in the soil of some cultivated land in China has increased sharply, resulting in increasingly serious heavy metal pollution in farmland. When rice grows in such heavy metal-contaminated soil, heavy ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05F17/00C05G3/80
CPCC05B7/00C05F17/00C05G3/80C05C3/00C05D3/02C05D9/00C05D9/02C05F3/00C05F5/002C05F11/00C05F11/08Y02W30/40
Inventor 文贻荣黄生博
Owner HUNAN ZHONGKE AGRI
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