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Anti-salt liquid fertilizer and preparation method thereof

A liquid and salt solution technology, applied in the field of salt-resistant liquid fertilizer and its preparation, can solve the problems of large amount of organic fertilizer and bacterial fertilizer, unstable raw materials, and high cost

Inactive Publication Date: 2019-04-26
SHENZHEN BATIAN ECOTYPIC ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Among them, organic fertilizers that are used in combination with the above crops, such as patents with patent numbers CN200910023037.5 and CN201610753642.8, have unstable raw materials and high costs during implementation, and the application of organic fertilizers and bacterial fertilizers during the application process The amount of use is large, and the ability to improve the salt-alkali resistance of crops is limited, which cannot meet the demand

Method used

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  • Anti-salt liquid fertilizer and preparation method thereof
  • Anti-salt liquid fertilizer and preparation method thereof

Examples

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preparation example Construction

[0013] The invention provides a method for preparing a salt-resistant liquid fertilizer, the method steps comprising:

[0014] S10, respectively screening and culturing Bacillus subtilis and Bacillus amyloliquefaciens with a medium containing 0.4% to 0.8% of the mass fraction of salt, and obtaining salt-resistant Bacillus subtilis and salt-resistant starch that can survive in the medium containing salt Bacillus;

[0015] S20, further expand the resistant Bacillus subtilis and the resistant Bacillus amyloliquefaciens obtained in step S10, and collect and expand the cultured strains; The mass ratio of 30 to 50 is mixed into a mixed strain for later use;

[0016] S30, 12-14 parts of urea or urea ammonium nitrate solution, 4-5 parts of potassium dihydrogen phosphate, 4-6 parts of ammonium polyphosphate, 5-7 parts of potassium sulfate, 15-17 parts of potassium nitrate, Dissolve 36-52.5 parts of water in the dissolving tank to obtain a large amount of element solution;

[0017] S...

Embodiment 1

[0026] In this Example 1, the salt-resistant liquid fertilizer was prepared according to the following steps:

[0027] S11, the purchased agricultural Bacillus subtilis is inoculated with the Bacillus subtilis common culture medium (1L distilled water+20g glucose+15g peptone+5g sodium chloride+0.5g beef extract+20g agar) with 0.5wt% sodium carbonate, and the screening ability The bacterial strain of normal growth; And the bacterial strain that can normal growth continues to carry out mass culture again with the common substratum of Bacillus subtilis of 0.5wt% sodium carbonate;

[0028] S12, the purchased agricultural Bacillus amyloliquefaciens is inoculated and cultivated with the Bacillus amyloliquefaciens CM3 medium that adds 0.5wt% sodium carbonate, and the strains that can grow normally are screened; and the bacterial strains that can grow normally are continued to use 0.5wt% sodium carbonate The Bacillus amyloliquefaciens CM3 culture medium carries out mass cultivation ag...

Embodiment 2

[0033] In this embodiment 2, salt-resistant liquid fertilizer was prepared according to the following steps:

[0034] S11, the purchased agricultural Bacillus subtilis is inoculated with the Bacillus subtilis common culture medium (1L distilled water+20g glucose+15g peptone+5g sodium chloride+0.5g beef extract+20g agar) that has 0.4wt% sodium carbonate, and the screening ability The bacterial strain of normal growth; And the bacterial strain that can normal growth continues to carry out mass culture again with the common substratum of subtilis of 0.4wt% sodium carbonate;

[0035] S12, the purchased agricultural bacillus amyloliquefaciens is inoculated and cultivated with the bacillus amyloliquefaciens CM3 culture medium that adds 0.4wt% sodium carbonate, and the strains that can grow normally are screened; and the bacterial strains that can grow normally are continued to use 0.4wt% sodium carbonate The Bacillus amyloliquefaciens CM3 culture medium carries out mass cultivation ...

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Abstract

The invention discloses a preparation method of an anti-salt liquid fertilizer. The preparation method comprises the following steps: screening anti-salt bacillus subtilis and anti-salt bacillus amyloliquefaciens by a culture medium with 0.4-0.8% by mass of salt, mixing to obtain a mixed strain, dissolving macroelements to obtain a macroelement solution, and further sufficiently mixing polyglutamic acid, potassium humate or fulvic acid potassium salt, a photosynthetic inducer, xanthan gum, sodium hydroxide or potassium hydroxide and an alginic acid liquid in parts by mass with the macroelementsolution. Aiming at requirements of anti-salt metabolism of crops in saline and alkaline lands, the anti-salt liquid fertilizer is at a liquid fertilizer state, water-soluble organic matters are adopted as main components, the macroelements and salt-resistant composite microbial agents are used, and together with improvements of soil root system environments, and resistance and growth and metabolic capabilities of crops, the saline and alkaline resistance of the crops can be improved.

Description

technical field [0001] The invention relates to the technical field of salt-resistant fertilizer preparation, in particular to a salt-resistant liquid fertilizer and a preparation method thereof. Background technique [0002] According to incomplete statistics, the area of ​​saline-alkali land in the world is 954.38 million hectares, of which 99.13 million hectares are in my country. The formation of alkaline soil and alkalized soil in my country is mostly related to the accumulation of carbonate in the soil, so the degree of alkalization is generally high, and plants in severe saline-alkali soil areas can hardly survive. Saline-alkali soil is a general term for saline soil and alkaline soil. Saline soil mainly refers to salinized soil with high chloride or sulfate content. The soil is alkaline, but the pH value is not necessarily high. Alkaline soil refers to soil containing carbonate or heavy phosphate, with a high pH value, making the soil alkaline. Saline-alkali soil ...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/04C05G3/80
CPCC05B7/00C05G3/00C05G5/27C05G3/80C05C5/02C05C9/00C05C11/00C05D1/02C05F11/00C05F11/02C05F11/08C05C1/00C05D1/00
Inventor 苏盈盈陈彬房钦飞许勇阚学飞穆光远石朋飞
Owner SHENZHEN BATIAN ECOTYPIC ENG
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