Seaweed composition containing specific fertilizer for fruit trees and preparation method thereof

A technology for special fertilizers and fruit trees, applied in the field of special fertilizers for fruit trees and their preparation, can solve the problems of inability to be absorbed by plants, low fertilizer efficiency and utilization rate, soil compaction, etc., and achieve the effect of significantly increasing production, increasing effective nutrients, and comprehensive fertilizer nutrition.

Active Publication Date: 2014-06-18
众德肥料(烟台)有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, potassium sulfate compound fertilizers do not contain organic matter, and the utilization rate of fertilizer efficiency is low. Long-term use may easily cause soil compaction.
Some potassium sulfate-type compound fertilizers containing organic matter use humic acid but have not been activated. The organic matter is insoluble in water and has poor activity and cannot be absorbed by plants.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The nutrient fertilizer for fruit trees of the present invention is characterized in that it comprises the following proportions by weight:

[0026] Weathered coal 30, sulfuric acid 24, gas ammonia 8, monoammonium phosphate 20, urea 5, potassium chloride 14, seaweed extract 3, zinc sulfate 5, borax 5; the sulfuric acid is industrial concentrated sulfuric acid with a concentration of 98%.

[0027] The seaweed is a mixture of one or more of kelp, horsetail, and leaf algae. The seaweed extract is prepared by the following method. The seaweed is crushed and immersed in 1-2 times the weight of clear water, and heated to 70-80℃, adjust the pH to 8-8.5 with potassium hydroxide, keep warm and stir for 30 minutes, after cooling to room temperature, filter with 200 mesh silk screen to obtain primary filtrate and primary filter residue; take clean water of the same weight of primary filtrate and pour into primary filter residue In the process, add sulfuric acid while stirring to adjust...

Embodiment 2

[0034] In step D), the secondary filter residue obtained from the preparation of the seaweed extract is dried and crushed, the remaining weathered coal, the remaining monoammonium phosphate and urea are crushed, and then the crushed secondary filter residue, weathered coal, and phosphoric acid are crushed. Ammonium, urea, borax, and zinc sulfate are added to the mixer for mixing. After being evenly mixed, they are sent to the granulator through a belt conveyor and the granulated slurry produced in step C) is rolled and agglomerated into granules. The granulated particles The material is dried, cooled, sieved, metered and packaged to form the nutrient fertilizer for fruit trees. The rest is the same as in Example 1.

Embodiment 3

[0036] The proportion of the raw materials of this product is: weathered coal 35, sulfuric acid 25, gas ammonia 10 monoammonium phosphate 30, urea 15, potassium chloride 16, seaweed extract 5, zinc sulfate 8, borax 3. The rest is the same as Example 1 and Example 2.

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PUM

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Abstract

The invention belongs to the technical field of compound fertilizer production, and relates to a seaweed composition containing specific fertilizer for fruit trees and a preparation method thereof. The specific fertilizer is prepared by reasonably proportioning weathered coal, sulfuric acid, gasified ammonia, monoammonium phosphate, urea, potassium chloride, seaweed extract, zinc sulfate and borax, and granulating the obtained mixture by using a special process. The specific fertilizer is rich in organic matters and various trace elements, and has the characteristics of high utilization rate of fertilizer efficiency, long duration of fertilizer efficiency, and capability of facilitating the improvement of soil.

Description

Technical field [0001] The invention belongs to the technical field of compound fertilizer production, and relates to a special fertilizer for fruit trees containing seaweed components and a preparation method thereof. Background technique [0002] At present, potassium sulfate type compound fertilizer does not contain organic matter, and the fertilizer efficiency is low, and long-term use is easy to cause soil compaction. Some potassium sulfate type compound fertilizers containing organic matter, although using humic acid, have not been activated, their organic matter is insoluble in water, has poor activity, and cannot be absorbed by plants. [0003] Weathered coal is a coal seam exposed on the surface or buried in a shallow part. It is exposed to water and air for a long time, and undergoes long-term weathering of oxidation and hydrolysis, which makes the coal loose and fragile, the color becomes lighter, the humidity increases, and the internal molecular structure Great change...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/04C05G3/80
Inventor 王其选侯广南孙玲丽雷丹曹广峰
Owner 众德肥料(烟台)有限公司
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