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Preparation method and applications of rhodotorula glutinis biofertilizer

A technology of sticky red yeast and bio-fertilizer, which is applied in the field of preparation of microbial organic fertilizers, and can solve the problems of agricultural soil pollution, poisonous beans, and failure to guarantee quality

Active Publication Date: 2014-06-11
中环兴邦(北京)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the long-term application of chemical fertilizers has brought serious agricultural soil pollution (such as soil acidification, compaction, heavy metal pollution, etc.) and agricultural products cannot guarantee quality (such as "melons are not sweet, vegetables are not fragrant, fruits are tasteless, beans are poisonous") and many other problems.

Method used

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  • Preparation method and applications of rhodotorula glutinis biofertilizer
  • Preparation method and applications of rhodotorula glutinis biofertilizer
  • Preparation method and applications of rhodotorula glutinis biofertilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Example 1 Fermentation of catering waste water as raw material to produce Rhodotorula viscosa fertilizer applied to soybean growth experiment

[0012] Using waste water from the second canteen of students of Beijing Agricultural College as the raw material medium, inoculate 5% of Rhodotorula viscosum strains in a 5L fermentation tank, ferment at 300rpm, 1vvm for 40h to obtain a fermentation broth with a biomass of 14g / L, dry and pulverize at 60°C Finally, soybeans were selected as the experimental material, vermiculite was used as the potting base, and the base fertilizer was applied at an application rate of 450 kg per hectare. The same amount of commercially available nitrogen and phosphorus compound fertilizer was used as a control. After planting for 7 days, the diameter and plant height were measured regularly to test fertilizer effect.

[0013] Experimental results: by figure 1 It can be seen that the biomass of Rhodotorula viscosus can reach more than 10g / L afte...

Embodiment 2

[0014] Example 2 Using catering waste water as raw material to ferment and produce Rhodotorula viscosus fertilizer and apply it to the growth experiment of kidney beans

[0015] The acquisition of Rhodotorula viscosus bacteria fertilizer and the method of fertilizer efficiency test are the same as the implementation case 1, and the implementation results are as follows:

[0016] Depend on Figure 4 The experimental results showed that Rhodotorula viscosum biological fertilizer applied in the growth cycle of kidney beans can achieve the effect of applying nitrogen and phosphorus compound chemical fertilizers, and with the extension of the plant growth period, its fertilizer efficiency retention is better than that of nitrogen and phosphorus compound chemical fertilizers.

[0017] The following embodiments all can realize the effect of above-mentioned embodiment 1 or embodiment 2

Embodiment 3

[0018] Example 3: Fermentation production of Rhodotorula viscosus with common synthetic medium Fertilizer applied to soybean growth experiments

[0019] Medium composition (100mL): glucose 4g, (NH 4 ) 2 SO 4 0.2g, KH 2 PO 4 0.7g, Na 2 SO 4 0.2g, MgSO 4 ·7H 2 O 0.15g, yeast powder 0.15g, pH 5.5.

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Abstract

The invention provides a preparation method and applications of a rhodotorula glutinis biofertilizer. According to the preparation method, rhodotorula glutinis obtained via fermentation is taken as a raw material, is dried at a temperature of 40 to 80 DEG C, is smashed, and is used as a base fertilizer for growth of soybean or kidney bean, wherein 150 to 450 of the rhodotorula glutinis biofertilizer is used for per hectare of crops. The preparation method of the rhodotorula glutinis biofertilizer is simple; application dosage is less; a novel application method of rhodotorula glutinis is provided; and environmental pollution and human health problems caused by excessive application of chemical fertilizers are avoided.

Description

technical field [0001] The invention relates to a preparation method of microbial organic fertilizer, in particular to the application of Rhodotorula viscosus as biological fertilizer. Background technique [0002] Rhodotorula glutinis, because it can produce carotenoids, fatty acids, amino acids, coenzyme Q, phenylalanine ammonia-lyase and other active ingredients, has attracted much attention in recent years and is considered as a strain with industrial potential and widely used It is used in the fields of animal feed preparation, biological control of agricultural fruit diseases, biomedicine and bioenergy. For example, Heilongjiang Dahuangchun Wine Industry Co., Ltd. discloses a method for preparing animal feed by Rhodotorula viscosus (patent application number: 201010251117.9); Zhejiang University discloses a method for preparing citrus biological preservatives by Rhodotorula viscosus (application number: 201110111499.X); Chengdu Institute of Biology, Chinese Academy of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F11/08A01C21/00
Inventor 薛飞燕师光禄王有年马兰青康小曼王娅亚
Owner 中环兴邦(北京)科技有限公司
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