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Process Data set: Northwest (Gaotai, Zhangye) Corn Production ; Agricultural Data Production (en) en zh

Key Data Set Information
Location ZY-GS-CN
Geographical representativeness description Gaotai County
Reference year 2012
Name
Northwest (Gaotai, Zhangye) Corn Production ; Agricultural Data Production
Use advice for data set Users should apply this data in the context of the life cycle assessment of agricultural crops, considering regional specificities such as Gaotai, Zhangye for more accurate environmental impact evaluations. Caution should be exercised in extrapolating results to different regions or agricultural systems without adjusting for local conditions. The LCA model should also take into account the type of fertilizers and electricity production used, as these are starting points of the system boundary. Assessments should be updated with local data when more recent statistics are available to ensure relevance and accuracy.
Technical purpose of product or process The data represents the life cycle inventory of corn production in Gaotai, Zhangye, and it is intended for evaluating the environmental footprint, specifically the carbon footprint, of the corn production process. The corn produced can be utilized as a food source, for animal feed, or as a raw material for industrial processes such as biofuel production or bioplastic manufacturing. The research encompasses agricultural input production systems (including chemical fertilizers and electricity) and crop production systems, reflecting the full extent of resource inputs and pollutant outputs in agricultural practices.
Classification
Class name : Hierarchy level
  • ILCD: Unit processes / Materials production / Agricultural production means
General comment on data set The article is based on research data collected from farmers, using the theory of agricultural carbon footprint and life cycle assessment to quantitatively study the carbon footprint and its composition of the rice-wheat rotation system in the downstream area of the Yangtze River. It further analyzes the factors influencing the carbon footprint.
Copyright No
Owner of data set
Quantitative reference
Reference flow(s)
  • - 1000.0 * 1.0 kg (Mass)
Functional Unit 1 t
Time representativeness
Data set valid until 2012
Technological representativeness
Technology description including background system LCA method is used to evaluate the agricultural system of seed corn production, which takes the whole process of product treatment from input to final output as the research object to conduct quantitative analysis and comparison, so as to evaluate the environmental impact of seed corn production [13]. In this paper, the mass of seed corn 1 t is used as the functional unit. The boundary of the system starts from the production of fertilizer and electricity, and ends from the output of agricultural products and pollutants in the crop planting process. In other words, there are two production systems, namely the agricultural material production system and the crop production system
Flow diagram(s) or picture(s)
  • NdXebAChwolnewxb5UxcfbDqnwe.png Image
LCI method and allocation
Type of data set Unit process, single operation
LCI Method Principle Attributional
Deviation from LCI method principle / explanations None
Deviations from LCI method approaches / explanations The system boundary starts with the production of chemical fertilizers and electricity, and the terminal boundary is the output of agricultural products and pollutants during the crop planting process. There are two production systems: the agricultural input production system and the crop production system.
Deviation from modelling constants / explanations None
Data sources, treatment and representativeness
Deviation from data cut-off and completeness principles / explanations None
Data selection and combination principles The data in this text comes from the statistical sampling survey of Zhangye city, and additional data obtained from a special survey conducted during the 2012 input-output table. In Ganzhou district, Jiantan town, Dangzhai village, and Xiaoman village were selected; in Linze county, Shahe town and Pingchuan town were selected; in Gaotai county, Xuanhua town, Xiangdao village, and Luotuo city township were chosen. After excluding incomplete data, a total of 72 household's effective data was obtained
Deviation from data selection and combination principles / explanations None
Data treatment and extrapolations principles Using a combination of stratified random sampling and typical sample selection methods, data were collected through questionnaire surveys and structured interviews with typical samples. The survey content revolves around all input production elements and economic costs, as well as resource consumption, etc. The output mainly focuses on product yield and the current economic value, as well as the quantity of waste generated and its disposal methods.
Deviation from data treatment and extrapolations principles / explanations None
Data source(s) used for this data set
Sampling procedure It is determined that the survey sample size in the three counties and districts of Zhangye city needs to add 80 household surveys. The composition of the samples maintains the principle of being consistent with the local agricultural added value ratio. The corresponding survey household numbers are determined according to the agricultural added value ratio of 7:5:8, that is, 28, 20, and 32 households are respectively drawn from the three counties and districts.
Completeness
Completeness of product model No statement
Validation
Type of review
Dependent internal review
Reviewer name and institution
Data generator
Data set generator / modeller
Data entry by
Time stamp (last saved) 2024-03-20T21:29:40+08:00
Publication and ownership
UUID 5cd88019-ebda-4e6f-bc9a-79afc38ad652
Date of last revision 2024-04-20T14:33:21.644665+08:00
Data set version 00.01.005
Permanent data set URI https://lcadata.tiangong.world/showProcess.xhtml?uuid=5cd88019-ebda-4e6f-bc9a-79afc38ad652&version=01.00.000&stock=TianGong
Owner of data set
Copyright No
License type Free of charge for all users and uses

Inputs

Type of flow Classification Flow Location Mean amount Resulting amount Minimum amount Maximum amount
Product flow
Other Services / Other services 0.3 MJ0.3 MJ
General comment people
Product flow
Other Services / Other services 2176.0499999999997 EUR2176.0499999999997 EUR
General comment Yuan
Product flow
Energy carriers and technologies / Electricity 658.368 MJ658.368 MJ
General comment 用于抽水

Outputs

Type of flow Classification Flow Location Mean amount Resulting amount Minimum amount Maximum amount
Product flow Materials production / Food and renewable raw materials 1000.0 kg1000.0 kg