Organic biochar-based fertilizer as well as preparation method and application of organic biochar-based fertilizer

An organic bio-charcoal-based fertilizer technology, applied in the field of fertilizers, can solve the problems of mass production restrictions, limited promotion and application, and limited reserves of biochar organic fertilizers, and achieve the goals of reducing loss, increasing permeability, and improving utilization rate Effect

Inactive Publication Date: 2019-03-19
BEIJING SANJU GREEN ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, vermiculite is needed to prepare the above-mentioned biochar organic fertilizer, and vermiculite is a relatively rare natural mineral with limited reserves and cannot be regenerated in the short term.
Therefore, using vermiculite as the raw material of biochar organic fertilizer will lead to great restrictions on the mass production of the biochar organic fertilizer, which seriously limits its promotion and application.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] This embodiment provides an organic biochar-based fertilizer, the raw materials of which are: 1 kg of biochar, 1 kg of corn stalks, and 8 kg of chicken manure with a water content of 30 wt%.

[0033] The method that adopts above-mentioned raw material to prepare organic biochar base fertilizer is:

[0034] (1) Preparation of biochar: After the corn stalks are naturally air-dried, they are crushed into small pieces of about 5 cm, placed in a carbonization furnace, carbonized in an anaerobic environment at 450°C for 1 hour, cooled to room temperature, and taken out to obtain the biomass carbon;

[0035] (2) Mixing: take corn stalks that have been dried naturally for 2-3 days, and crush them to obtain straw powder; take 1kg of straw powder, 1kg of biochar and 8kg of chicken manure with a water content of 30wt%, and mix and stir until uniform;

[0036] (3) Decomposition: add water to the above-mentioned mixture, adjust the water content of the system to 60wt%, stack it at ...

Embodiment 2

[0038] This embodiment provides an organic biochar-based fertilizer, the raw materials of which are: 0.8 kg of biochar, 1.2 kg of rice straw, 6.5 kg of duck manure with a water content of 50 wt%, and 3.5 kg of chicken manure with a water content of 10 wt%.

[0039] The method that adopts above-mentioned raw material to prepare organic biochar base fertilizer is:

[0040] (1) Preparation of biochar: wash bamboo 4-5 times, remove surface adherents, air-dry for 2-3 days, then dry in an oven at 100°C for 5 hours, pulverize, place in a carbonization furnace at 400°C, in an oxygen-free Under the condition of thermal cracking treatment for 4h, take out after cooling to room temperature, the biochar can be obtained;

[0041] (2) Mixing: take the rice straw that has been dried naturally for 2-3 days, and crush it to obtain straw powder; take 1.2kg of straw powder, 0.8kg of biochar, 6.5kg of duck manure with a water content of 50wt%, and 3.5kg of duck manure with a water content of 10wt...

Embodiment 3

[0044] This embodiment provides an organic biochar-based fertilizer, whose raw materials are: 1.2kg of biochar, 0.8kg of wheat straw, and 6.5kg of chicken manure with a water content of 25wt%.

[0045] The method that adopts above-mentioned raw material to prepare organic biochar base fertilizer is:

[0046] (1) Preparation of biochar: Wash the shell of the crab 4-5 times, remove the adherents on the surface, air-dry for 2-3 days, then dry it in an oven at 100°C for 5 hours, crush it, put it in a carbonization furnace at 450°C, and Thermal cracking treatment under anaerobic conditions for 3 hours, cooling to room temperature and taking out to obtain the biochar;

[0047] (2) Mixing: take wheat straw that has been dried naturally for 2-3 days, and pulverize it to obtain straw powder; take 0.8kg of straw powder, 1.2kg of biochar and 6.5kg of chicken manure with a water content of 25wt%, and mix and stir until uniform;

[0048] (3) Decomposition: add water to the above-mentioned...

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PUM

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Abstract

The invention relates to the technical field of fertilizers and discloses an organic biochar-based fertilizer as well as a preparation method and application of the organic biochar-based fertilizer. The organic biochar-based fertilizer contains the following raw materials in parts by weight: 8-12 parts of biochar, 8-12 parts of crop straws and 65-95 parts of livestock manure. All components of theraw materials of the organic biochar-based fertilizer are matched with one another, so that the organic biochar-based fertilizer is rich in organic matters and various nutrient elements required by the growth of grapes, durable and stable in fertilizer effect and capable of truly realizing fertilizer application according to the growth rule of grapes, meeting nutrient demands at different stageswithin the whole growth period of the grapes and increasing the content of active organic matters in soil, so that the soil fertility and quality are improved, and the aim of promoting the yield increment and quality improvement of organic grapes is achieved.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to an organic biochar base fertilizer and its preparation method and application. Background technique [0002] Biochar is a carbon-rich solid substance formed by high-temperature pyrolysis and carbonization of biomass under oxygen-limited or anaerobic conditions. Porous structure and large specific surface area. The unique structure of biochar determines that it has special properties, such as improving the soil environment. However, biochar also has shortcomings. It contains limited mineral nutrients and cannot meet the needs of crop growth and development. To make up for this defect, biochar-based fertilizers came into being. Biochar-based fertilizer is an eco-friendly fertilizer formulated by adding organic matter or / and inorganic matter according to the land characteristics of different regions, the growth characteristics of different crops and scientific fertilization pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00C05F17/00
CPCC05D9/00C05F17/00C05F3/00C05F11/00Y02W30/40
Inventor 张少明付祥峰袁梅李永杰李根茂
Owner BEIJING SANJU GREEN ENERGY TECH CO LTD
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