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Method for controlling potted plant soil water

A soil moisture and soil technology, applied in the field of soil science, can solve the problems of high cost, imperfection, cumbersome work, etc., and achieve the effect of low cost, convenient research, and simple instruments

Inactive Publication Date: 2017-07-21
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, pot experiment is a research method often used by scientific and technological workers. Water stress test is also an important content of crop adversity research. How to control the water content of pot soil is a key link in carrying out water stress experiments. The traditional method is to measure The method of soil moisture content is carried out, but the work is cumbersome and the cost is high, and all existing methods for controlling potted soil moisture content are still not perfect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A certain pot experiment needs to adopt mild water stress treatment to observe the growth status and yield of rice. The steps of water control are described in detail below:

[0026] (1) Calculation of parameters: It is known that the air-dried weight of the potting soil is 7 kg, its water content is 4.05%, its saturated water content is 48.18%, the drying weight of the potting soil is 6.728 kg, and the weight of the empty pot is 0.406 kg.

[0027] (2) Take mild water stress (control the water content of potting soil to be 85-95% of the saturated water content of the soil) as an example to illustrate the method of water control:

[0028] ① General idea of ​​moisture control

[0029] Take the soil samples from the upper, middle and lower parts of the pot every two days, mix them and dry them, and measure their water content. If the soil water content is lower than 85% of the soil saturated water content, add water until the soil water content is the soil saturated water ...

Embodiment 2

[0045] A certain pot experiment needs to be treated with severe water stress to observe the growth status and yield of rice. The steps for controlling water are described in detail below:

[0046] (1) Calculation of parameters: It is known that the air-dried weight of the potting soil is 7 kg, its water content is 4.05%, its saturated water content is 48.18%, the drying weight of the potting soil is 6.728 kg, and the weight of the empty pot is 0.406 kg.

[0047] (2) Take severe water stress (control the water content of potted soil to be 65-75% of the saturated water content of the soil) as an example to illustrate the method of water control:

[0048] ① General idea of ​​moisture control

[0049] Take the soil samples from the upper, middle and lower parts of the pot every two days, mix them and dry them, and measure their water content. If the soil water content is lower than 65% of the soil saturated water content, add water until the soil water content is the soil saturate...

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Abstract

The invention discloses a method for controlling potted plant soil water. A weighing method is adopted, the soil water adding amount is calculated according to the soil air-dried soil weight, the soil water content, the soil saturation water content, the empty pot weight and the plant weight, and therefore the potted plant soil water is controlled. Adopted instruments are simple, the cost is low, the method is reliable, and convenience is provided for crop stress resistance study.

Description

technical field [0001] The invention relates to a method for controlling potted soil moisture, belonging to the technical field of soil science. Background technique [0002] At present, pot experiment is a research method often used by scientific and technological workers. Water stress test is also an important content of crop adversity research. How to control the water content of pot soil is a key link in carrying out water stress experiments. The traditional method is to measure The method of soil moisture content is carried out, but work is loaded down with trivial details, and cost is high, and all existing methods for controlling potted soil moisture content are not perfect enough. Contents of the invention [0003] The invention purpose of the present invention is: provide a kind of method of controlling potting soil moisture, use instrument simple, cost is low, method is reliable, adopt weighing method, according to the weight of plant, control potting soil moistu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G25/16G05D22/02
CPCA01G25/16G05D22/02
Inventor 冯跃华牟桂婷黄佑岗
Owner GUIZHOU UNIV
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