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Device and brine solution for fast appraising salinity and alkalinity resistance of tree

A salt-alkali-tolerant and tree-resistant technology, applied in the field of salinity identification devices and salt solutions, can solve problems such as single or few plants, and achieve the effects of strong pertinence, convenient maintenance and wide practicability

Inactive Publication Date: 2011-08-31
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a device and a salt solution for quickly identifying the salinity-resistant characteristics of trees, which can not only quickly screen out indigenous salt-tolerant plants, but also quickly identify different saline-alkaline soils. Screen a large number of exotic salt-tolerant plants, and use these exotic plants to increase the diversity of plants on saline-alkali soils, thereby solving the problem of single or few plants on saline-alkali soils, and finally slowing down the seriousness of soil salinization The phenomenon

Method used

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  • Device and brine solution for fast appraising salinity and alkalinity resistance of tree
  • Device and brine solution for fast appraising salinity and alkalinity resistance of tree
  • Device and brine solution for fast appraising salinity and alkalinity resistance of tree

Examples

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Effect test

example 1

[0032] Severe salinization (≥0.3%): Calcium nitrate 1398.5g, dipotassium hydrogen phosphate 1369.0g, magnesium sulfate 722.5g; first dissolve the above-mentioned medicines with a small amount of distilled water, then mix them, and finally dilute them to 5000 liters with distilled water and prepare them The salt solution is corrected to 7.0 with NaOH solution. After correction, the amount of NaCl solution (351.0g) in the final supplemented salt solution is calculated according to the amount of NaOH added. After the preparation of the salt solution and its pH value correction, according to the conditions such as recovery of the growth point of the seedlings to be tested, the occurrence of new roots, new leaves, growth and mortality, etc., the 74 poplar and the improved variety Robinia pseudoacacia with 0.3% saline-alkali resistance characteristics were screened out. Hybrid poplar, pond fir and cypress and other fast-growing species.

example 2

[0034] Moderate salinization (0.2%): calcium nitrate 932.5g, dipotassium hydrogen phosphate 913.0g, magnesium sulfate 481.5g; first dissolve the above-mentioned medicines with a small amount of distilled water, then mix them, and finally dilute them to 5000 liters with distilled water, and prepare them The salt solution is corrected to 7.0 with NaOH solution. After correction, calculate the amount (234.0g) of NaCl solution in the final supplemented salt solution according to the amount of NaOH added. After the preparation of the salt solution and its pH value are corrected, finally according to the conditions such as recovery of growth point of the seedlings to be tested, new roots, new leaves, growth and mortality, etc., the privet privet, Ailanthus ailanthus, White wax, hybrid mandarin wood, neem, salt skin wood, hackberry, Chongyang wood and other suitable trees.

example 3

[0036] Slight salinization (≤0.1%): calcium nitrate 466.0g, dipotassium hydrogen phosphate 456.5g, magnesium sulfate 241.0g; first dissolve the above-mentioned medicines with a small amount of distilled water, then mix them, and finally dilute them to 5000 liters with distilled water to prepare The good salt solution is corrected to 7.0 according to the use of NaOH solution. After the correction, the amount of NaCl solution (117.0g) in the final supplemented salt solution is calculated according to the amount of NaOH added. After the preparation of the salt solution and the correction of its pH value, the 0.1% saline-alkali-resistant Hejiancai and Jincai were finally screened out according to the recovery of the growth point of the seedlings to be tested, the occurrence of new roots, new leaves, growth and mortality, etc. Plum, red-flowered rice heart tree, short-leaved podocarpus, black fir, alpine rhododendron and other leading trees.

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Abstract

The invention relates to a device and salt solution used for fast identifying the characteristic of salinity-alkalinity tolerance of trees, belonging to the agriculture and forestry technical field; the device of the invention comprises a rain proof shed, a salt pond, an aerator pipe, a floating plate carrier, a non-woven fabric, a fixed net side, an air pump, a water outlet, a drainage ditch anda wastewater disposal basin in sequence; wherein, the salt pond holds salt solution and the weight percentage of the composition of the salt solution is: 0.007 percent to 0.031 percent of calcium nitrate, 0.007 percent to 0.030 percent of dipotassium hydrogen phosphate, 0.003 percent to 0.018 percent of magnesium sulfate, 0.00004 percent to 0.009 percent of sodium chloride and sodium hydroxide and the rest of distilled water; the device and salt solution of the invention provide good environment for the growth of plants, have simple structure, easy operation, convenient maintenance, little one-time investment, low operating cost, high level of precision of ion concentration in the salt solution, faster identifying speed, wide application range and stronger practicability and direction.

Description

technical field [0001] The invention relates to a salinity identification device and a salt solution in the technical field of agriculture and forestry, in particular to a device and a salt solution for quickly identifying the salinity tolerance characteristics of trees. Background technique [0002] Soil salinization refers to the soil-forming process in which saline-alkali components accumulate in the soil under the influence of natural or human factors, making other types of soil gradually evolve into saline soil. Land salinization is mainly caused by the accumulation of salt on the surface of the land due to the rise of the groundwater table. For example, arid and semi-arid inland areas are relatively closed, and the water and salt collected by excessive irrigation have no way out, which leads to an increase in the groundwater level in the downstream plains, and the increase in the salinity of groundwater. Under the action of surface evaporation, water disperses and salt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00
Inventor 奥岩松胡绵好李剑施飞
Owner SHANGHAI JIAO TONG UNIV
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