GB/T 42812-2023 English PDF

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GB/T 42812-2023: General technical specification for improvement of soil with continuous cropping obstacles
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Basic data

Standard ID: GB/T 42812-2023 (GB/T42812-2023)
Description (Translated English): General technical specification for improvement of soil with continuous cropping obstacles
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B10
Classification of International Standard: 65.080; 13.080
Word Count Estimation: 14,156
Date of Issue: 2023-08-06
Date of Implementation: 2024-03-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42812-2023: General technical specification for improvement of soil with continuous cropping obstacles

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 65.080;13.080 CCSB10 National Standards of People's Republic of China General Technical Specifications for Soil Improvement in Continuous Cropping Barriers 2024-03-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the National Standardization Technical Committee on Fertilizers and Soil Conditioners (SAC/TC105). This document was drafted by. Zhejiang Academy of Agricultural Sciences, Shanghai Institute of Chemical Industry Environmental Engineering Co., Ltd., Plant Protection Research Institute of the Chinese Academy of Agricultural Sciences Institute, Shandong University, Shandong Normal University, Horticulture Research Institute of Ningxia Academy of Agricultural and Forestry Sciences, Guangzhou Baiyunshan Hutchison Traditional Chinese Medicine Co., Ltd., Henan Dongda Technology Co., Ltd., Chitianhua Technology Group Co., Ltd. The main drafters of this document. Zhang Zhiheng, Zhang Changbo, Xu Mingfei, Wang Qiuxia, Wang Qiang, Cui Zhaojie, Li Huijie, Yu Guoguang, Cheng Jiemin, Yang Guilan, Yao Yanlai, Li Yanjie, Liu Yuxue, Li Hui, Wang Hanrong, Ni Shouqing, Chen Lu, Wang Zhiqiang, An Jie, Xu Youyang, Wang Xiufeng, Qi Mingyang, Zhu Chunhua. General Technical Specifications for Soil Improvement in Continuous Cropping Barriers

1 Scope

This document defines the terms and definitions of continuous cropping barrier soil improvement technology, and stipulates general principles, technical methods, records and other technical requirements. This document is applicable to the improvement of continuous cropping barrier soil.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 3286.1 Methods for chemical analysis of limestone and dolomite Part 1.Determination of calcium oxide and magnesium oxide content complex drops flame atomic absorption spectrometry GB 12475 Anti-virus regulations for storage, transportation, sale and use of pesticides GB 38400 Limit requirements for toxic and harmful substances in fertilizers

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Due to the ecological imbalance and deterioration of physical and chemical properties caused by the continuous planting of the same or closely related crops, continued planting of the crops often leads to aggravation of diseases and insect pests, Soils with abnormal growth and development, reduced yield and poor product quality. Note. It is divided into ecological imbalance type, physical and chemical property deterioration type and compound type. The main manifestation of ecological imbalance is that the ecological balance of soil microorganisms and animals is destroyed, and the ecological balance of soil microorganisms and animals is destroyed. The soil-borne diseases and insect pests of crops are significantly aggravated; the deterioration of physical and chemical properties is mainly manifested in the deterioration of soil physical and chemical properties, abnormal growth and development of continuous cropping crops; complex Type is a mixture of the above two types. 3.2 perishable biomass perishable biomass Organic matter formed directly or indirectly through photosynthesis of green plants and perishable in the soil environment. Note. Mainly includes agricultural and agricultural product processing residues, green manure, weeds, seaweed, cake fertilizer, livestock and poultry manure, leaves, twigs, sawdust, edible and feed agricultural products, etc. 3.3 In sunny and hot seasons, first spread perishable biomass into the soil, then cover the soil surface with a film when the soil is moist, and continue to expose it to the sun to improve cultivation. It is a method to improve the continuous cropping barrier soil by increasing the soil temperature and forming an anaerobic reducing environment. 3.4 This is a method of improving continuous cropping barrier soil by first spreading perishable biomass into the soil and then continuing to flood it to form an anaerobic reducing environment. 3.5 Arrange annual or seasonal fallow in a planned manner, during which deep plowing and plowing are carried out so that the soil in the cultivated layer can withstand low-temperature freezing and thawing, sun exposure, and rainwater erosion. ......

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