Straw carbon-based microbial flower fertilizer as well as preparation method and application thereof

A technology of straw biology and microorganisms, applied in the direction of fertilization, application, potash fertilizer, etc., can solve the problem of less products, achieve the effect of simple preparation method, improve soil quality, and enhance ornamental value

Inactive Publication Date: 2021-08-24
EAST CHINA NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, most of the common biochar-based fertilizers on the market are mainly biochar or biochar plus a single microbial agent, while there are relatively few products that combine biochar, nitrogen, phosphorus and potassium fertilizers with various microorganisms to prepare biochar-based microbial fertilizers.
The application of carbon-based fertilizers is mainly concentrated in the two fields of vegetables (cabbage, radish, spinach, etc.) and field crops (wheat, corn, rice, etc.), and the application of carbon-based fertilizers in flowers is rarely reported.

Method used

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  • Straw carbon-based microbial flower fertilizer as well as preparation method and application thereof
  • Straw carbon-based microbial flower fertilizer as well as preparation method and application thereof
  • Straw carbon-based microbial flower fertilizer as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] A method for preparing straw charcoal-based microbial flower fertilizer, comprising the following steps:

[0056] (1) Remove the roots and leaves of the rice straw, wash and dry it, crush it into powder with a mixer, and pass it through a 40-mesh sieve. Put it into a tubular carbonization furnace and carbonize at 450°C for 4 hours under oxygen-limited conditions to prepare straw biochar;

[0057] (2) Weigh urea (N element ≥ 46%): Potassium dihydrogen phosphate (in terms of active ingredient content, P 2 o 5 ≥52%, K 2 O≥34%): Potassium chloride (based on active ingredient content, K 2 O≥34%) mass ratio is 22:19:6, which contains N:P 2 o 5 The mass ratio of :K is 10:10:10. Dissolve the NPK compound fertilizer in about 200ml of water, add 1mol / L sodium hydroxide solution drop by drop, and adjust the pH=7 of the mixed solution.

[0058] (3) Select three kinds of microbial agents with the functions of nitrogen fixation, phosphorus and potassium decomposition, namely B...

Embodiment 2

[0064] Change the proportion of straw biochar in step (4) of Example 1 of the present invention to 30%, and the proportion of attapulgite in step (6) to 13%, and other operations are the same as in Example 1 of the present invention.

Embodiment 3

[0066] Change the proportion of straw biochar in step (4) of Example 1 of the present invention to 40%, and the proportion of attapulgite in step (6) to 3%, and other operations are the same as in Example 1 of the present invention.

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Abstract

The invention discloses an environment-friendly efficient straw carbon-based microbial flower fertilizer preparation method, which comprises the following steps: preparing biochar in an oxygen-limited environment by utilizing farmland waste straw stalks, adjusting the proportion of the biochar, and carrying out adsorption and then granulation on the biochar, three microbial agents with strong stress resistance and nitrogen-fixing, phosphorus-dissolving and potassium-dissolving effects and a nitrogen-phosphorus-potassium fertilizer to prepare the straw carbon-based microbial fertilizer and apply the fertilizer to flower planting. The fertilizer disclosed by the invention is comprehensive in nutrition, contains the biochar and various microorganisms, is lasting in fertilizer efficiency, and is beneficial to improving the soil fertility and improving the soil quality. The growth and flowering of flowers are effectively promoted. The operation is simple, simple management of flowers is facilitated, diseases are reduced, and stress resistance is enhanced. The method is beneficial to improving the comprehensive utilization rate of the straw and promoting fertilizer reduction, has the advantages of environmental protection, high efficiency, economy, simplicity and the like, and is beneficial to promoting the sustainable development of agriculture.

Description

technical field [0001] The invention belongs to the technical field of fertilizers, and relates to a straw charcoal-based microbial flower fertilizer and a preparation method thereof, as well as the application of the fertilizer in flower planting. Background technique [0002] With the development of the economic level, people's consumption level and structure are constantly changing. In recent years, flowers have been loved by the public. The flower industry has developed rapidly and has become an important part of my country's ecological construction. Due to the high ornamental value of flowers, compared with vegetables and crops, they have higher requirements for fertilizers and daily management. [0003] Fertilizers are of great significance for increasing production and agricultural development. However, long-term unreasonable fertilizer application has caused environmental problems such as soil compaction and salinization, which is not conducive to the sustainable dev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/40C05G3/80C05G5/12A01C21/00
CPCC05B7/00C05G3/00C05G3/40C05G3/80C05G5/12A01C21/00C05C9/00C05D1/02C05D9/00C05F11/08Y02P60/21
Inventor 张秋卓王凯男张树栋胡文锦侯进菊张晓彤易观文康志挺
Owner EAST CHINA NORMAL UNIV
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