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Medium trace element fertilizer as well as preparation method and application thereof

A technology of medium and trace elements and fertilizers, applied in application, fertilizer mixtures, fertilization devices, etc., can solve problems such as water problems and lack of water resources, and achieve the effect of balancing changes in soil pH, improving water use efficiency, and slowing the release of nutrients

Inactive Publication Date: 2016-01-20
SHENZHEN BATIAN ECOTYPIC ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, some sloping vegetation and orchards do not have the conditions to install such water-saving projects. Coupled with the lack of water resources and the harvest "depending on the sky", water use for many sloping orchards and garden vegetation has become a problem.

Method used

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  • Medium trace element fertilizer as well as preparation method and application thereof
  • Medium trace element fertilizer as well as preparation method and application thereof
  • Medium trace element fertilizer as well as preparation method and application thereof

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preparation example Construction

[0037] The present invention also provides a preparation method for the above-mentioned medium and trace element fertilizer, comprising the steps of:

[0038] (1) Add water, magnesium nitrate, sulfate and borate to the reaction kettle in turn according to the proportion of the raw materials, and adjust the pH value to 3.0-4.0 to make it slightly acidic, so that calcium is added in the next step In the process of salt, it can avoid calcium sulfate combined with precipitation, causing colloidal sedimentation to be destroyed. The above-mentioned process temperature can be controlled at 50°C-60°C, and the rotation speed is 20-25r / min, so as to ensure the rapid dissolution of the above-mentioned raw materials.

[0039] (2) Add calcium ammonium nitrate and alginate, control the temperature at 60°C-70°C, and rotate at 10-15r / min. In this step, when the temperature is set at 60°C to 70°C, the dissolution between calcium ammonium nitrate, alginate and magnesium nitrate, sulfate and bo...

Embodiment 1

[0046] Embodiment 1: colloidal fertilizer for apples

[0047] 1. Composition of the product: (the following components are parts by weight of the product, and the unit of each part is kilogram).

[0048]

[0049] Two, preparation method, comprises the steps:

[0050] (1) Add water, magnesium nitrate, zinc sulfate, manganese sulfate, sodium octaborate, and ferrous sulfate to the reaction kettle in sequence according to the weight of the above products, and add nitric acid to adjust the pH value to 4.0. The temperature is controlled at 50°C and the rotation speed is 20r / min;

[0051] (2) Add calcium ammonium nitrate and sodium alginate to the reaction kettle according to the above weight parts, and control the temperature at 60° C., and the rotating speed is 10 r / min;

[0052] (3) After the colloid is formed, increase the speed to 40r / min to break up large groups of colloid.

[0053] The "colloidal fertilizer for apples" is prepared through the above formula and preparati...

Embodiment 2

[0064] Embodiment 2: Colloidal fertilizer for commercial crops

[0065] 1. Composition of the product: (the following components are parts by weight of the product, and the unit of each part is kilogram).

[0066]

[0067] Two, preparation method, comprises the steps:

[0068] (1) Add water, magnesium nitrate, zinc sulfate, sodium octaborate, and ferrous sulfate to the reaction kettle in sequence according to the weight of the above products, and add nitric acid to adjust the pH value to 3.5, the temperature is controlled at 55°C, and the rotation speed is 25r / min;

[0069] (2) Add calcium ammonium nitrate and sodium alginate to the reaction kettle according to the above parts by weight, and control the temperature at 65° C., and the rotating speed is 15 r / min;

[0070] (3) After the colloid is formed, increase the speed to 45r / min to break up large groups of colloid.

[0071] The "colloidal fertilizer for economic crops" is prepared through the above formula and preparat...

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Abstract

The invention discloses a medium trace element fertilizer which comprises the following components: 0.1-0.5 part of alginate, 30-40 parts of calcium ammonium nitrate, 10-15 parts of magnesium nitrate, 7-20 parts of sulfate, 5-10 parts of sodium borate and 25-50 parts of water. The preparation method comprises the following steps: according to the ratio of the raw materials, sequentially adding water, magnesium nitrate, sulfate and borate into a reaction kettle, adjusting the pH value, and controlling the temperature to be 50-60 DEG C and the rotation speed to be 20-25r / minute; further adding calcium ammonium nitrate and sodium alginate, controlling the temperature to be 60-70 DEG C and the rotation speed to be 10-15r / minute; after a gel is formed, increasing the rotation speed to be 40-50r / minute, and drying. The alginate fused with a biological source is beneficial for a saturated fertilizer solution to form the gel, medium trace elements can be prevented from being fixed by soil, the effect of slow and controlled release of nutrients can be achieved, the moisture utilization rate can be increased, and the medium trace element fertilizer can be also used as a liquid fertilizer additive. The invention further provides application of the medium trace element fertilizer.

Description

technical field [0001] The invention belongs to the technical field of fertilizers, and in particular relates to a colloidal fertilizer of medium and trace elements used for fruit trees and garden economic crops, as well as its preparation method and application. Background technique [0002] At the beginning of 2015, my country's medium and low-yield fields accounted for more than 70% of the total cultivated land area. Due to the long-term excessive use of N, P, K and other constant element fertilizers in some high-yield fields, the soil quality has deteriorated, and the increase in yield has been limited. Targeted application of medium and trace element fertilizers is an effective technical measure to increase the yield of medium and low-yield fields, and it is also an important means to maintain continuous increase in high-yield fields. At the same time, crops can only absorb ionic elements that are soluble in water, while anions in the soil are easy to fix cationic mediu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00
Inventor 杨勇韩冬芳房钦飞李峰
Owner SHENZHEN BATIAN ECOTYPIC ENG
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