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Biological organic fertilizer and method for producing the same

A technology of bio-organic fertilizers and mixtures, applied in the field of agriculture, can solve problems such as harmful pollution and contaminated agricultural products, and achieve the effect of increasing production and simple methods

Inactive Publication Date: 2008-05-07
TIANJIN NANKAI UNIV CASTOR ENG SCI & TECH
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Problems solved by technology

Domestic research has also confirmed that there are POPS (Persistent Organic Pollutants) in organic fertilizers, such as polycyclic aromatic hydrocarbons, organic chlorine, etc., so the use of these fertilizers will have potential harmful pollution to varying degrees, so that agricultural products are still in the environment. polluted place

Method used

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Embodiment Construction

[0017] Castor is an annual or perennial herbaceous plant. Castor bean can be industrially processed to produce castor oil that can be used as high-grade lubricating oil, and is also an important raw material in medicine and industry. The leftovers produced by castor bean oil extraction are called castor meal, and the industrial waste after protein is extracted from castor meal is called castor meal husk. According to the research, the organic matter content in castor meal husk is more than 60%, and the N, P, and K nutrients are more than 4%, so it is a kind of raw material suitable for plant nutrition. my country is a big castor planting country. At present, more than 100,000 tons of castor meal husks will be produced every year, most of which have not been treated and are only used as waste on crops. Although they also have certain effects on vegetables, flowers and other plants , but its potential value is far from being brought into play. The bio-organic fertilizer provided...

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Abstract

The invention discloses biologically organic fertilizer and thereof preparation method thereof. The biologically organic fertilizer is made by secondarily biologically fermenting the mixture which consists of castor-oil plant meal shell, grass carbon, castor-oil plant meal and stalk powder with the weight rate of 40 to 60:10 to 20:5 to 15:20 to 30 through composite microbial inoculums which are 0.02 percent of the mixture and composite microbial inoculums which are 0.02 percent of the mixture, and by mixing with phosphor releasing, potassium releasing and nitrogen fixation target bacterial flora. The N, the P, the K nutrients of the biologically organic fertilizer provided by the invention are increased by 30 to 40 percent than that of the commercial biologically organic fertilizer, the organic matters are increased by 40 to 50 percent and the beneficial microorganism is increased to more than 0.02 hundred millions per gram. Besides, the production period of the invention is shortened by 10 to 20 days than that of the common organic fertilizer with simple preparation method. Moreover, the yield can be increased by 10 to 20 percent when the invention is applied on crops such as vegetables and fruit trees.

Description

technical field [0001] The invention relates to the field of agricultural technology, in particular to a bio-organic fertilizer and a preparation method thereof. Background technique [0002] Fertilizer is an important means of agricultural production. It is a kind of substance that can provide one or more essential nutrients for plants, or can improve soil properties and improve soil fertility. It is mainly divided into inorganic fertilizers and organic fertilizers. Among them, inorganic fertilizers are also called chemical fertilizers, such as nitrogen fertilizers, phosphorus fertilizers and potassium fertilizers. The use of chemical fertilizers is a measure to obtain high and stable agricultural production. However, when used in a long-term, large amount, especially unscientific, unreasonable, and blind, coupled with the backwardness of related technologies and unreasonable use structure, it will not only lead to waste of resources and The utilization rate is very low, a...

Claims

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Application Information

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IPC IPC(8): C05F15/00C05F5/00
CPCY02A40/20
Inventor 许前欣王东卫徐仲颜金立威
Owner TIANJIN NANKAI UNIV CASTOR ENG SCI & TECH
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