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Seaweed azotobacter fertilizer preparation method

A nitrogen-fixing bacteria fertilizer and nitrogen-fixing bacteria technology are applied in the directions of organic fertilizers, inorganic fertilizers, calcareous fertilizers, etc., to achieve the effects of simple process operation, improved application effect and low production cost.

Inactive Publication Date: 2016-04-27
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The combination of seaweed and nitrogen-fixing bacteria for the production and research of seaweed nitrogen-fixing bacteria fertilizer has not been reported yet.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] The invention discloses a preparation method of seaweed nitrogen-fixing bacteria fertilizer, the specific steps are as follows:

[0015] Rinse 1kg of fresh commercially available kelp repeatedly with tap water, dry it and cut it into 1cm-sized pieces; take another 4g of flour, 0.1g of magnesium sulfate, and 2g of calcium carbonate dissolved in a small amount of tap water and mix evenly to make a nutritional supplement; Fully mix the kelp fragments and nutritional supplements to make a solid fermentation substrate, cook at 100°C for 15 minutes, and cool.

[0016] Preparation of nitrogen-fixing bacteria seed liquid: the first-level slant culture adopts Ashubei culture medium, which consists of 0.2 g of potassium dihydrogen phosphate, 0.2 g of magnesium sulfate, 0.2 g of sodium chloride, 5 g of calcium carbonate, 10 g of glucose, and 0.1 g of calcium sulfate. g. 18 g of agar, 1 L of water, pH 7.0, cultured at 28° C. for 48 hours, inoculated with second-grade asbestos liqui...

Embodiment 2

[0020] Experiment purpose and method: In order to evaluate the effectiveness and feasibility of the present invention, this example takes the seaweed nitrogen-fixing bacteria fertilizer prepared in Example 1 as the experimental object, and studies the influence on the growth and development of the wheat variety Tiemai No. 1, and sets up a blank group , common nitrogen-fixing bacteria group and seaweed nitrogen-fixing bacteria group, the blank group was not fertilized, the common nitrogen-fixing bacteria group was given common nitrogen-fixing bacteria fertilizer, and the seaweed nitrogen-fixing bacteria group was given seaweed nitrogen-fixing bacteria fertilizer. The specific operation method is as follows:

[0021] Using Tiemai No. 1 wheat variety, soak the wheat seeds in clean water for 24 hours, and use 0.1% mg / LHgCl 2 The solution was sterilized for 5 minutes, and then rinsed with distilled water for 3 times. Wheat seeds of uniform size were selected to be sown in the steril...

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PUM

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Abstract

The present invention relates to the field of preparation of fertilizers, and discloses a seaweed azotobacter fertilizer preparation method, fresh seaweed is chopped, and mixed into a nutritional supplement for even mixing to prepare a solid fermentation matrix, an azotobacter seed liquid is inoculated for solid fermentation, low-temperature drying and crushing to prepare a seaweed azotobacter fertilizer. By seaweed solid fermentation technique, azotobacter and a seaweed fertilizer are organically combined, active ingredients of the seaweed can be converted by the azotobacter, better plant growth-promoting effect is played, meanwhile the azotobacter in the seaweed azotobacter fertilizer can supplement nitrogen for plant roots by nitrogen fixation effect, during growth and reproduction process of the azotobacter, a large number of extracellular polysaccharides are secreted, and the extracellular polysaccharides are an adhesive for formation of a soil aggregate structure and maintaining of the stability of the aggregates, the soil compaction phenomenon caused by the long-term excessive application of inorganic fertilizers can be overcome, and long-term sustainable development of ecological agriculture can be promoted.

Description

technical field [0001] The invention relates to the field of fertilizer preparation, in particular to a method for preparing seaweed nitrogen-fixing bacteria fertilizer. Background technique [0002] At present, the pollution of agricultural products in my country is mainly caused by pesticides and chemical fertilizers. The use of chemical fertilizers at the beginning of the 20th century has played an important role in increasing the output of agricultural products and ensuring food supply for human beings. However, there are more and more problems. Extensive use of chemical fertilizers leads to soil compaction and decreased fertility, which reduces the quality of agricultural products. What is more serious is the pollution of agricultural products and the environment. Nutritization, ecological environment deterioration. To solve these problems and realize the pollution-free production of agricultural products, it is necessary to develop and apply new pollution-free fertil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00
CPCC05D3/02C05D5/00C05F11/00C05F11/08
Inventor 牟海津李晶李淑营葛蕾蕾
Owner OCEAN UNIV OF CHINA
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