Estimation of Indirect Energy Input and CO<sub>2</sub> Emissions Due to Agricultural Machinery Operation in Fields Applying Crop Rotation

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  • 輪作における農業機械作業による間接投入エネルギーおよび間接 CO<sub>2</sub> 排出量の推定について
  • 輪作における農業機械作業による間接投入エネルギーおよび間接CO₂排出量の推定について : 按分法の提案と十勝畑輪作への適用
  • リンサク ニ オケル ノウギョウ キカイ サギョウ ニ ヨル カンセツ トウニュウ エネルギー オヨビ カンセツ CO ₂ ハイシュツリョウ ノ スイテイ ニ ツイテ : アンブンホウ ノ テイアン ト トカチバタケ リンサク エ ノ テキヨウ
  • ——Application on Crop Rotation in Tokachi Region and Proposal of Using Proportional Division Method——
  • ——按分法の提案と十勝畑輪作への適用——

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Abstract

The purpose of this study is to help establishing the LCA method for crop production. Therefore, we suggest the method of proportional inference allocation to estimate the amount of indirect emissions of CO2 as well as the indirect energy input, resulting from the application of agricultural machinery in the crop rotation based on block rotation, for each crop per hectare. In this method, the general use of the machine, service life of machine, the difference between propelled and self-propelled machines, as well as the area of the planted crop in the rotation are considered. By applying this method at the model farms of Hokkaido Tokachi, we could obtain basic data for evaluating the productivity and the environmental impact.

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