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Method for measuring utilization portion and practical water demand of indoor plant metabolic water

A technology of water demand and measuring room, which is applied in the fields of ecological environment management and crop water-saving irrigation, and can solve the problems of large apparent water demand and so on.

Active Publication Date: 2019-03-08
INST OF GEOCHEM CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a method for indoor plant metabolism water utilization share and a method for plant actual water demand, which solves the current problem that plants cannot quantify the metabolic water share from bicarbonate conversion, and overcomes the Defects of water saving and large apparent water demand due to the lack of consideration of plant utilization of metabolized water

Method used

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  • Method for measuring utilization portion and practical water demand of indoor plant metabolic water
  • Method for measuring utilization portion and practical water demand of indoor plant metabolic water
  • Method for measuring utilization portion and practical water demand of indoor plant metabolic water

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Embodiment Construction

[0045] Embodiments of the present invention: it comprises the following steps,

[0046] The present invention takes following technical scheme: it comprises the following steps:

[0047] Step 1: Germinate plant seeds indoors using plugs of the same size in hydroponics, prepare culture solution to cultivate seedlings for more than 2 months, and select seedlings with relatively consistent growth as the plant seedlings for investigation;

[0048] Step 2, measure the sodium bicarbonate produced by different manufacturers, select two kinds of δ 13 Sodium bicarbonate with a C value difference greater than 10‰ was added to the culture medium as isotope label 1 and isotope label 2;

[0049] Step 3, simultaneously cultivating plant seedlings over 2 months old with consistent growth with the culture solution of isotope label 1 and isotope label 2 respectively, and replacing the new corresponding culture solution every 2 days;

[0050] Step 4, take the culture solution in the middle pe...

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Abstract

The invention discloses a method for measuring the utilization portion and the practical water demand of indoor plant metabolic water, and belongs to the field of the crop information detection technology, ecological environmental management and crop water saving irrigation. A portable photosynthesis instrument is used for obtaining the net photosynthetic rate and the transpiration rate of plantssubjected to environment adaption, and an isotope mixing model which utilizes a bidirectional isotope labeling technology and two end members is combined to measure the information of the plant for the utilization portion of bicarbonate. The net photosynthetic rate, the transpiration rate and plant metabolic water utilization information are coupled to conveniently, accurately and reliably obtainthe practical moisture utilization efficiency and the practical water demand of indoor plants, and a scientific basis for accurately evaluating the own water saving ability and drought resistance ability of the plant is provided, so that a basis is provided for screening karst adaptable plants with a high moisture use ratio, and a technical support is provided for water saving irrigation and watersource sustainable utilization.

Description

technical field [0001] The invention relates to a method for measuring the utilization ratio of metabolic water and actual water demand of indoor plants, and belongs to the fields of crop information detection technology, ecological environment management and crop water-saving irrigation. In particular, it relates to a method for obtaining the share of metabolic water utilization and actual water demand of indoor plants, which can conveniently, accurately and reliably obtain the actual water use efficiency and actual water demand of indoor plants, so as to accurately evaluate the water-saving ability and drought resistance ability of plants themselves. Provide scientific data, provide a basis for the screening of karst plants with high water use efficiency, and provide technical support for water-saving irrigation and sustainable use of water resources. Background technique [0002] In recent years, many experiments have proved that plants can not only use carbon dioxide in ...

Claims

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Application Information

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IPC IPC(8): G01N33/00
CPCG01N33/0098
Inventor 吴沿友饶森吴沿胜方蕾苏跃梁小兵
Owner INST OF GEOCHEM CHINESE ACADEMY OF SCI
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