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Calculation method and calculation system for straw field organic carbon conversion rate

A carbon conversion rate and calculation method technology, which is applied in complex mathematical operations, material weighing, soil testing, etc., can solve the problems of negative value and high cost of C marking method, and achieve the effect of improving calculation accuracy and reducing calculation cost

Pending Publication Date: 2022-08-05
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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Problems solved by technology

[0003] The present invention is in order to solve existing in the prior art 13 The cost of the C marking method is relatively high, and the organic carbon conversion rate calculated by the method of calculating the organic carbon conversion rate of straw with the same volume of soil in the traditional field test will have a negative value. The present invention provides a method for calculating the organic carbon conversion rate of straw and system

Method used

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  • Calculation method and calculation system for straw field organic carbon conversion rate
  • Calculation method and calculation system for straw field organic carbon conversion rate
  • Calculation method and calculation system for straw field organic carbon conversion rate

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specific Embodiment approach 1

[0019] Specific implementation method 1: The calculation method of the organic carbon conversion rate of straw straw in this implementation method is based on the following steps:

[0020] I. Get the start organic carbon content and start capacity of the soil before the depth of the straw mix back to the field, and the current organic carbon content and current capacity of the soil after the depth of the straw mixing the field;

[0021] 2. Based on step 1, the starting organic carbon content and start capacity reckle of the soil before the operation of the straw deep mixing back to the field calculate the initial organic carbon reserves of the monitoring soil described;

[0022] 3. According to steps, the current organic carbon content of the soil after the depths of straw deep mixing the field and the current organic carbon reserves of the monitoring soil described in the current reckless calculation;

[0023] 4. According to the monitoring soil, the initial organic carbon reserv...

specific Embodiment approach 2

[0025] Specific implementation method 2: The difference between the implementation method of this implementation method is: Step 2 The start organic carbon reserves of the monitoring soil described in Step 2, the specific calculation formula is:

[0026]

[0027] Among them, SOC stock-initial The start organic carbon reserves of the 0-35cm soil layer of the monitoring soil; SOC i-initial The start organic carbon content of the first soil layer of the monitoring soil; BD i-initial The starting capacity of the first soil layer of the monitoring soil; H i-initial The start thickness of the first soil layer of the monitoring soil; n is the number of layers of the monitoring soil. Other steps and parameters are the same as the specific embodiment.

specific Embodiment approach 3

[0028] Specific implementation method three: The difference between this implementation method and the specific implementation method is: the current organic carbon reserves of the monitoring soil in step 3, the specific calculation formula is:

[0029]

[0030] Among them, SOC stock-treatement The current organic carbon reserves of the 0-35cm soil layer of the monitoring soil; SOC i-treatement To monitor the current organic carbon content of the first soil layer of the soil; BD i-treatement To monitor the current reserves of the first soil layer of the soil; H i-treatement The current thickness of the first soil layer of the monitoring soil. Other steps and parameters are the same as the specific embodiment.

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Abstract

The invention discloses a field straw organic carbon conversion rate calculation method and a calculation system thereof, and relates to an organic carbon conversion rate calculation method and a calculation system. The problems that in the prior art, a 13C marking method is high in cost, and the organic carbon conversion rate calculated through a method for calculating the straw organic carbon conversion rate through soil of the same volume in a traditional field test has a negative value are solved. The method comprises the following steps: calculating the initial organic carbon reserve of the monitored soil; calculating the current organic carbon reserve of the monitored soil; calculating the organic carbon reserve variation of the monitored soil according to the initial organic carbon reserve and the current organic carbon reserve of the monitored soil; and then calculating the organic carbon conversion rate. The calculation system comprises a soil data acquisition module, an initial organic carbon reserve calculation module, a current organic carbon reserve calculation module, an organic carbon reserve variation calculation module and an organic carbon conversion rate calculation module. According to the method, the calculation precision of the straw organic carbon conversion rate under the field test condition is improved, and the calculation cost is reduced.

Description

Technical field [0001] The present invention involves an organic carbon conversion calculation method and system. Background technique [0002] The Ministry of Agriculture and Rural China introduced the "Outline of Northeast Black Land Protection Planning (2017-2030)" in 2017 aimed at effectively curb the degradation of black soil and continued to improve the quality of black soil arable land. The deep mixed field of straw is an effective measure for the protection of black land. It is widely used as a technical model of black soil protection and utilization. When evaluating the effects of black soil protection and the use of black soil, the increase in soil organic carbon is an extremely important indicator, so the co -carbon conversion rate of straw is also an important indicator. The most accurate way to detect straw organic carbon conversion rate is to adopt 13 C tag method, but this method is high and is mainly used for indoor simulation or micro -zone test. Under the field ...

Claims

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Application Information

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IPC IPC(8): G01N33/00G01N33/24G01N5/00G06F17/18
CPCG01N33/0098G01N33/24G01N5/00G06F17/18G01N33/245
Inventor 陆欣春韩晓增邹文秀陈旭严君
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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