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Special iron fertilizer for alkaline soil, and formula and preparation method of special iron fertilizer

A production method, iron fertilizer technology, applied in the direction of magnesium fertilizer, application, organic fertilizer, etc., can solve the problems of reducing the profit of Lanzhou lily planting industry, threats to environmental safety and soil quality, and increasing the burden on farmers, so as to achieve large-scale industrial production , Guaranteed long-term supply and good economic value

Active Publication Date: 2017-12-15
NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is usually used to add a large amount of grass carbon to the soil before planting to improve the soil environment and to apply iron sulfate or chelated iron fertilizers during the growth period of lily, but these methods are too expensive and the effect is not long-lasting, which greatly increases the burden on farmers. , reducing the profits of the lily planting industry in Lanzhou. At the same time, a large amount of peat and iron fertilizers have also brought potential threats to environmental safety and soil quality.

Method used

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  • Special iron fertilizer for alkaline soil, and formula and preparation method of special iron fertilizer
  • Special iron fertilizer for alkaline soil, and formula and preparation method of special iron fertilizer
  • Special iron fertilizer for alkaline soil, and formula and preparation method of special iron fertilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] A special iron fertilizer for alkaline soil, which is prepared by the following production method:

[0056] According to the special iron fertilizer formula for alkaline soil, in the mixture after the first modified attapulgite, peat, iron fertilizer, and bentonite binder are pulverized and mixed, add 20% atomized water of the total weight of the mixture, and stir After making it fully mixed, put it into the integrated roller disc granulator, start the integrated roller disc granulator, first press it into a roll with a diameter of 4mm, and put the roller into the disc and rotate at 45rps / min , After running for 13 minutes, stop the machine and discharge the material to obtain the initial sample. Then, after wrapping the second modified attapulgite on the surface of the initial sample and carrying out the coating treatment for the first time, the coating agent whose addition amount is 0.3% of the quality of the special iron fertilizer formula for alkaline soil is used t...

Embodiment 2

[0061] A special iron fertilizer for alkaline soil, which is prepared by the following production method:

[0062] According to the special iron fertilizer formula for alkaline soil, the first modified attapulgite, peat, iron fertilizer, and bentonite binder are pulverized and mixed in the mixture, add 23% atomized water of the total weight of the mixture, and stir After making it fully mixed, put it into the integrated roller disc granulator, start the integrated roller disc granulator, first press it into a roll with a diameter of 6mm, and put the roll into the disc and rotate at 45rps / min , After running for 15 minutes, stop the machine and discharge the material to obtain the initial sample. Then, after wrapping the second modified attapulgite on the surface of the initial sample and carrying out the coating treatment for the first time, adopt the coating agent whose addition amount is 0.2% of the quality of the special iron fertilizer formula for alkaline soil to continue...

Embodiment 3

[0067] A special iron fertilizer for alkaline soil, which is prepared by the following production method:

[0068] According to the special iron fertilizer formula for alkaline soil, the first modified attapulgite, peat, iron fertilizer, and bentonite binder are pulverized and mixed in the mixture, add 18% atomized water of the total weight of the mixture, and stir After making it fully mixed, put it into the integrated roller disc granulator, start the integrated roller disc granulator, first press it into a roll with a diameter of 5mm, and put the roller into the disc and rotate at 45rps / min , After running for 17 minutes, stop the machine and discharge the material to obtain the initial sample. Then, after wrapping the second modified attapulgite on the surface of the initial sample and carrying out the first coating treatment, the coating agent whose addition amount is 0.04% of the quality of the iron fertilizer formula for alkaline soil is used to continue the second coat...

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Abstract

The invention relates to a special iron fertilizer for alkaline soil, and a formula and a preparation method of the special iron fertilizer, and relates to the technical field of fertilizers. The formula of the special iron fertilizer for the alkaline soil comprises the following components by mass percent: 40-50% of first modified attapulgite, 0.3-1.5% of second modified attapulgite, 23-30% of grass carbon, 13-20% of iron fertilizer and 5-10% of bentonite adhesive, wherein the first modified attapulgite and the second modified attapulgite are weakly acidic attapulgite after acid treatment, and can effectively promote yield increase of crop and improve the product quality of the crop. The preparation method of the special iron fertilizer for the alkaline soil is simple and controllable to operate, can realize industrial production, and has an excellent economic value. The special iron fertilizer for the alkaline soil prepared by the preparation method of the special iron fertilizer for the alkaline soil is reasonable in nutritive proportion, can continuously and effectively provide an iron element for the crop, effectively promotes growth and development of the crop, avoids oil environment improvement, and avoids environment pollution.

Description

technical field [0001] The invention relates to the technical field of fertilizers, and in particular to a special iron fertilizer for alkaline soil and its formula and production method. Background technique [0002] my country is a big agricultural country, and fertilization is an important measure to ensure grain production. However, the utilization rate of chemical fertilizers in my country has been at a low level for a long time, only 30%-35%. The high level of fertilization and low fertilizer utilization rate have caused serious waste of resources and environmental problems. The development of new multifunctional slow-release fertilizers with high efficiency and environmental protection is an important means to solve these problems. Slow-release fertilizers can reduce the release rate of nutrients and provide long-term nutrient supply for crops, which not only improves the utilization rate of fertilizers but also reduces pollution to the environment. [0003] However...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/00C05G3/80
CPCC05D5/00C05G3/00C05G3/80C05G5/30C05D9/00C05D9/02C05F11/04
Inventor 邱阳谢忠奎王亚军张玉宝
Owner NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS