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北海道大学農經論叢 = The Review of the Society of Agricultural Economics >
第64集 >

An Economic Rationality of Green Manure Cropping in Large-Scale Upland Farming

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Title: An Economic Rationality of Green Manure Cropping in Large-Scale Upland Farming
Authors: Yoshinaka, Satoshi Browse this author
Shiga, Eiichi Browse this author →KAKEN DB
Issue Date: 31-Mar-2009
Publisher: 北海道大学大学院農学研究院
Journal Title: 北海道大学農經論叢
Journal Title(alt): The Nokei Ronso : The Review of Agricultural Economics Hokkaido University
Volume: 64
Start Page: 129
End Page: 140
Abstract: We examined the rationale of introduction and continuation of fallow green manure cropping in large-scale upland farming. First, the decision on the introduction of fallow green manure cropping depends on the scale of farming in terms of farming area and, if introduced, the acreage of such crops represents around 5% of the total acreage. Second, although the introduction of fallow green manure, which is a non-cash crop, causes decline in direct profitability, overall costs are reduced. Therefore, few differences in income per unit area were found among the cases of continuous, non-continuous, and non-introduction of fallow green manure cropping. In other words, there are few grounds for concern over a decline in profitability, for the halting or non continuation of fallow green manure cropping because of the availability of crop subsidies. Third, imbalanced crop compositions are observed in the cases of non continuation fallow green manure cropping, indicating the difficulty in establishing a crop rotation. These problems are not found in the cases of continuous fallow green manure cropping despite low productivity and profitability.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/39863
Appears in Collections:北海道大学農經論叢 = The Review of the Society of Agricultural Economics > 第64集

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