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Right click on the new folder and Create a new flow : Name: grapes type: flow Reference flow property : Mass Create a new process: Name: viticulture (organic) Quantitative reference: grapes Add inputs and outputs as written above Save and close Create a new product system: Name: organic viticulture Reference process: viticulture (organic) of 11Ħ Ensure Add connected processes and Connect with system processes if possible (so it will connect the upstream chain) are checked Click Finish Connections should look like this: Create the impact assessment with the LCIA method CML 2001 (cf above) 4.4 Compare results Create a new project called: Conventional vs Organic viticulture. This way, you can keep everything you will create altogether. Do the same into the Processes, the systems and Projects.
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Time and geography: France, Bordeaux area Model 1: organic viticulture : Input: type Agricultural means of production/organic fertiliser Compost, at plant 2 kg Oil/fuel Diesel, at regional storage kg Horn meal, at regional 1 kg duction/organic fertiliser Element Ressource/Land Occupation, arable *1 m2*a Transport systems/road Transport, lorry 7,5-16t, EURO t*km of 11ģ Output: type Grapes (reference flow) 1 kg Element Water/ground- Ammonium, ion kg Element Water/ground- Nitrate kg Element Water/ground- Phosphate kg Model 2: conventional viticulture : Input: type Element Ressource/Land Occupation, arable 0.002*1 m2*a Chemicals/inorganics Boric oxide, at plant 0.002*0,1 kg Diammonium phosphate, as kg duction/organic fertiliser P2O5, at regional Oil/fuels Diesel, at regional stage kg Fungicides, at regional 0.56 kg Herbicides, at regional kg Horn meal, at regional 0.01 kg duction/organic fertiliser Insecticides, at regional kg Chemicals/inorganics Magnesium oxide, at plant 0.002*38 kg Potassium nitrate, as K2O, at 0.21 kg duction/mineral fertiliser regional Transport systems/road Transport, lorry t, EURO t*km Output: of 11Ĥ type Grapes (reference flow) 1 kg Element Water/ground- Ammonium, ion kg Element Water/ground- Nitrate kg Element Water/ground- Phosphate kg 4 Build and compare systems 4.1 Get the ecoinvent database If you have not yet installed the ecoinvent database, you can first have some information here: and also buy the license from us: To install the database, simply follow these steps: Build the organic viticulture model Create a new folder (add a new child category) into s called Viticulture example. 3 Description Functional : 1 kg of grapes. To ensure the comparison is adapted to a wine grower level, you do not consider the wine productions processes, the bottles, or the transport to customers. This will help you to model both options and provide reasonable comparison. The ecoinvent database can provide a large list of already built processes that fit your needs. You surveyed conventional and organic wine growers to find out their inputs and outputs. To do so, you need figures to convince them that they can substantially reduce their impact while producing a good wine (taste is too subjective to be considered in this case). One of the obvious options seems to develop organic viticulture. Otherwise consider using the forum to ask your question: 2 Context and objective As you work in a local agricultural union, you accepted the mission to improve environmental impacts of the local wine-growers.
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If you feel that some steps are missing (instructions are not clear enough), please first refer to the basic help documentation.
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Using a step-by-step method, this tutorial should allow you understanding how openlca works. Though personal research, these figures are given as example and are not meant to be accurate. Please consider that this is not a real LCA. April 2011Ģ 1 Tutorial goal This tutorial aims at explaining a typical Life Cycle Assessment example, while using and discovering openlca software. 1 openlca case study: Conventional vs Organic Viticulture Summary 1 Tutorial goal Context and objective Description Build and compare systems Get the ecoinvent database Build the organic viticulture model Build the conventional viticulture model Compare results Improvements to the model Sensitivity analysis Is a mode of transport important? Is an impact assessment method important? Conclusions This case study (and others) can also be accessed on the internet: Keywords: LCA, ISO14040, organic viticulture, conventional viticulture, Sankey diagram, sensitivity analyse, ecoinvent database, openlca, CML 2001, ReCiPe.