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Method for testing degradation time of paper in soil

A technology of degradation time and test method, applied in paper testing, preparation of test samples, measuring devices, etc., can solve the problems of qualitative and quantitative evaluation of agricultural mulch paper, etc., and achieve the effect of easy operation, controllability and strong pertinence

Pending Publication Date: 2022-05-06
ZHEJIANG JINCHANG SPECIALTY PAPER CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] However, there is no suitable standard for how to test the degradability of agricultural mulch paper for effective evaluation. The current degradability test method is mainly aimed at plastic-containing products, and cannot properly evaluate the degradable agricultural mulch paper qualitatively and quantitatively. For this reason, the present invention designs a test method for the degradation time of paper in soil, which simulates the degradation process of agricultural mulch paper in soil. The test process is simple and intuitive, easy to operate and controllable, and has strong pertinence. Degradation speed of agricultural mulch paper in soil

Method used

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Embodiment Construction

[0014] The technical solutions of the present invention will be fully described below in conjunction with the embodiments of the present invention, and the described embodiments are only some of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0015] This embodiment comprises following test requirement, method step and test effect and time:

[0016] 1. Test requirements.

[0017] 1. Test container requirements:

[0018] A container without a lid, with a length, width, and depth of more than 16cm (square, round, and other shapes are acceptable, and can hold 100cm 2 One or more circular paper patterns), with seepage holes at the bottom to drain excess water.

[0019] 2. Test soil requirements:

[0020] The soil of the crop planting land is taken...

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PUM

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Abstract

The invention relates to a method for testing the degradation time of paper in soil, which divides the degradation time into preliminary degradation time and deep degradation time, and clarifies the test requirements, the test method and steps by adopting the method provided by the invention have the advantages of simplicity, intuition, easiness in operation, controllability and strong pertinence. The measured index can objectively reflect the degradation speed of the agricultural mulching film paper in the soil and has actual reference value and guiding significance, and the paper produced from the plant fiber raw material generally has the initial degradation time of 30-180 days and the deep degradation time of 100-400 days in the soil.

Description

technical field [0001] The invention relates to a method for testing the degradation time of paper in soil, and belongs to the technical field of agricultural mulch paper. Background technique [0002] The traditional agricultural mulch is a plastic film, which has the characteristics of airtight and moisture-proof. Its non-degradable nature has brought serious adverse effects on the ecological environment. The agricultural mulch paper produced from plant fibers is a good solution to the problem of agricultural mulch. For the problem of difficult degradation, using paper instead of plastic is biodegradable and has obvious advantages in ecological and environmental protection. It is also breathable and moisture-permeable, which is conducive to the growth of crops. It is an ecologically upgraded alternative to agricultural mulch. [0003] However, there is no suitable standard for how to test the degradability of agricultural mulch paper for effective evaluation. The current d...

Claims

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Application Information

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IPC IPC(8): G01N1/28G01N33/34
CPCG01N1/28G01N33/346
Inventor 杨宗建孟育王励稼詹卫民周拥军连跃信周桂生
Owner ZHEJIANG JINCHANG SPECIALTY PAPER CO LTD
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