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Method for extracting low-sodium plant salt contained in low-nitrite sea asparagus in saline land

A technology of low nitrite and extraction method, which is applied in the field of saline-alkali soil transformation and comprehensive utilization, can solve the problems of high soil conductivity in saline-alkali land, limited survival rate of sea asparagus, slow soil water seepage speed, etc., to improve soil water seepage speed and yield Improvement, the effect of increasing the soil water seepage rate

Inactive Publication Date: 2015-08-19
WEIFANG YOURONG IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, there are many defects in the existing planting technology. The soil conductivity in saline-alkali land is high, the soil seepage rate is slow, the soil alkalization degree is high, the survival rate of sea asparagus is severely limited, the content of nitrous acid in the plant is high, and plant salts such as amino acids and sodium chloride low extraction rate

Method used

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  • Method for extracting low-sodium plant salt contained in low-nitrite sea asparagus in saline land

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A method for extracting low-sodium plant salt in low-nitrite sea asparagus in saline-alkali land, comprising the following steps:

[0033] 1. Cultivation of asparagus in saline-alkali land

[0034] (1) Selection of saline-alkali land

[0035] The pH value of heavily alkalized soil is >8.7, the degree of alkalization is 31~32%, and the salt content is <0.5%.

[0036] (2) Arranging the land

[0037] Use mechanical plowing to plow the surface soil, rake the soil block to loosen the surface soil, and make the surface flat without obvious ups and downs; furrows are opened, each furrow is 2-3m wide, the furrow surface is flat, and the middle 1m is 15cm deep, and the middle The deep ditch is used as a benchmark, and the ditch is 7 cm deep at intervals of 30 cm on both sides.

[0038] (3) Seed treatment

[0039] Prepare rooting solution, soak seeds

[0040] 0.05-0.1 parts of brassinolide, 0.5-1 parts of S-inducer, 5-7 parts of salicylic acid, 15-25 parts of biochem...

Embodiment 2

[0074] A method for extracting low-sodium plant salt in low-nitrite sea asparagus in saline-alkali land, comprising the following steps:

[0075] 1. Cultivation of asparagus in saline-alkali land

[0076] (1) Selection of saline-alkali land

[0077] (2) Arranging the land

[0078] (3) Seed treatment

[0079] The above steps were performed according to the method of Example 1, and the changed parameters are shown in Table 1.

[0080] Table 1

[0081]

[0082] (4) Nursing

[0083] Carry out seedling raising according to the method for embodiment 1.

[0084] (5) Planting and field management

[0085] Operate according to the method of Example 1.

[0086] 2. Plant salt extraction

[0087] The plant salt was extracted according to the method of Example 1, and the changed parameters are shown in Table 2 and Table 3.

[0088] Table 2 Ball milling broken wall

[0089]

[0090] Table 3 Extraction

[0091]

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Abstract

The invention provides a method for extracting low-sodium plant salt contained in low-nitrite sea asparagus in a saline land. The method comprises the steps of planting the sea asparagus in the saline land and extracting the plant salt, wherein the step of planting the sea asparagus in the saline land include seed processing and seedling raising, and the plant salt extracting step include subcritical carbon dioxide-liquid ammonia extraction. By adopting the method for extracting the low-sodium plant salt contained in the low-nitrite sea asparagus in the saline land, the planting yield is 3650-3700 kilograms / mu, and the carbon sequestration capacity of absorbing carbon dioxide of plants per hectare is 5.3-5.5 tons. The nitrite content contained in plant bodies is remarkably reduced, and the yield of the obtained plant salt is improved. The sodium chloride content of the obtained plant salt is 38.1-38.9%, and the obtained plant salt is rich of amino acid, proline, phenylalanine and tyrosine.

Description

technical field [0001] The invention relates to a method for extracting plant salt, in particular to a method for extracting low-sodium plant salt in low-nitrite sea asparagus in saline-alkali land, and belongs to the field of saline-alkali land transformation and comprehensive utilization. Background technique [0002] Soil salinization and secondary salinization are one of the main problems of soil degradation in the world today. The area of ​​saline-alkali land in the world is about 955 million hm 2 , the area of ​​saline-alkali soil in my country is about 9.91×107hm 2 , of which the total area of ​​coastal tidal flats is about 2.35 million hm 2 . At present, my country's water and soil resources can only guarantee 500 million tons of grain production capacity, which is far from meeting the huge demand of the growing population. At the same time, my country's energy shortage contradiction is becoming increasingly acute, and the development of biomass energy must ensure...

Claims

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Application Information

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IPC IPC(8): A23L1/237A01G1/02A23L27/40A01G22/10
CPCY02P60/20
Inventor 王胜
Owner WEIFANG YOURONG IND
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