Preparation method of environment-friendly nano soil conditioner

A soil conditioner, nanotechnology, applied in the field of preparation of environmentally friendly nano soil conditioners, can solve the problems of easy soil erosion of trace elements, excessive heavy metal ions, waste of fertilizer resources, etc., to increase the number of silicon hydroxyl groups, improve activity, improve The effect of exposure probability

Inactive Publication Date: 2018-12-11
陕西一公生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the defects of existing soil compaction and hardening for planting crops proposed in the background technology, heavy metal ions exceeding the standard, trace elements are easy to be lost with water and soil, causing environmental pollution, waste of fertilizer resources and other defects, the invention of this application proposes an environmentally friendly nano soil conditioner. The preparation method make

Method used

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  • Preparation method of environment-friendly nano soil conditioner
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  • Preparation method of environment-friendly nano soil conditioner

Examples

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Comparison scheme
Effect test

Embodiment 1

[0022] A preparation method of an environment-friendly nanometer soil conditioner, comprising the following specific steps:

[0023] (1) Add 5 kg of Chinese herbal medicine to distilled water and soak for 1 hour, then heat and decoct for 0.5 hour, filter, collect the medicine residue for later use, and concentrate the filtrate to contain medicine 1g / mL to obtain a concentrated medicine liquid for later use;

[0024] (2) Put 40kg of attapulgite into a calcination furnace at 500°C for calcination for 1h, then put the calcined attapulgite into a hydrochloric acid solution with a mass fraction of 5% and soak for 3h, take out attapulgite and 8kg of sodium humate Mix and stir to disperse evenly, dry to obtain modified attapulgite, and set aside;

[0025] (3) Put 15kg of biochar into the heating furnace, raise the temperature to 500°C at a rate of 5°C / min under the protection of nitrogen, and then continuously feed the mixed modified gas of ammonia / nitrogen with a volume ratio of 4:6...

Embodiment 2

[0038] A preparation method of an environment-friendly nanometer soil conditioner, comprising the following specific steps:

[0039] (1) Add 6kg of Chinese herbal medicine to distilled water and soak for 1.2h, then heat and decoct for 0.6h, filter, collect the medicinal residue for later use, and concentrate the filtrate to 1.2g / mL of medicine to obtain a concentrated medicinal liquid for later use;

[0040] (2) Put 42kg of attapulgite into a calcination furnace at 500°C for calcination for 1.2h, then put the calcined attapulgite into a hydrochloric acid solution with a mass fraction of 5% and soak for 3.5h, take out attapulgite and 8.5kg of rotten Sodium phyllate is mixed and stirred to disperse evenly, and dried to obtain modified attapulgite, which is set aside;

[0041] (3) Put 16kg of biochar into the heating furnace, raise the temperature to 520°C at a rate of 5°C / min under the protection of nitrogen, and then continuously feed the mixed modified gas of ammonia / nitrogen ...

Embodiment 3

[0053] A preparation method of an environment-friendly nanometer soil conditioner, comprising the following specific steps:

[0054] (1) Add 7kg of Chinese herbal medicine to distilled water and soak for 1.4h, then heat and decoct for 0.6h, filter, collect the medicinal residue for later use, and concentrate the filtrate to 1.3g / mL of medicine to obtain a concentrated medicinal liquid for later use;

[0055] (2) Put 44kg of attapulgite into a calcination furnace at 500°C for calcination for 1.4h, then put the calcined attapulgite into a hydrochloric acid solution with a mass fraction of 5% and soak for 4h, take out attapulgite and 9kg of humic acid The sodium is mixed and stirred to disperse evenly, and dried to obtain the modified attapulgite, which is set aside;

[0056] (3) Put 17kg of biochar into the heating furnace, raise the temperature to 540°C at a rate of 5°C / min under the protection of nitrogen, and then continuously feed ammonia / nitrogen mixed modified gas with a v...

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Abstract

The invention provides a preparation method of an environment-friendly nano soil conditioner. The method comprises the following steps: in the preparation process, decocting Chinese herbs firstly to prepare liquid medicine and filter residue, and blending the filter residue and grass charcoal to perform fermentation treatment for the first time; calcining attapulgite, steeping by using acid, and then blending with humic acid to obtain nano-structured modified attapulgite; enabling potassium sulfate, zinc amino acid chelate, ferrous amino acid chelate and copper amino acid chelate components tobe subjected to loading so as to achieve a slow-release effect of microelements, finally mixing all materials to perform the fermentation treatment for the second time, and then granulating and drying to obtain the nano soil conditioner, wherein the microelements have very good solidification and slow release effects in soil and are difficult to run away with water and soil, so that the environment-friendly nano soil conditioner is high in utilization rate, can effectively slow down soil compaction and adsorb heavy metal ions, does not contain pesticide, and has a very good effect on drivingcrop pests.

Description

Technical field: [0001] The invention belongs to the technical field of fertilizers, and in particular relates to a preparation method of an environment-friendly nanometer soil conditioner. Background technique: [0002] Urea and compound fertilizers are mostly used as base fertilizers for field crops in my country. In recent years, the amount of fertilizer per mu has increased year by year, far exceeding that of developed countries. As a result, the soil is compacted and hardened, and it is impossible to maintain and fatten. Most of the fertilizers are collected on the soil surface after application , easy to run off, and then cause serious water pollution and waste of fertilizer resources, which will lead to increased agricultural production costs and reduced fertilizer efficiency. However, most of the crop fertilizers sold on the market are non-slow-release fertilizers, which not only easily aggravate soil compaction, but also easily lose nutrients in fertilizers, especial...

Claims

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Application Information

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IPC IPC(8): C05G3/02C05G3/04C05F17/00C05G3/60C05G3/80
CPCC05C11/00C05F17/00C05G3/60C05G3/80C05D1/02C05D9/00C05F11/00C05F11/02C05F11/08Y02W30/40
Inventor 张爱玲燕晨燕贵学燕睿
Owner 陕西一公生物科技有限公司
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