稲作生産における規模拡大の可能性
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概要
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The major purpose of this paper is to verify whether the behavior of Japanese rice farm households from 1980 to 1985 moved towards scale enlargement or not. To do this, the role of agricultural labor performed (related to rice production) by males is examined. Then the possibility of scale enlargement in rice production is analyzed by applying the Markov matrix model. Subjects are defined as follows. (1) Does the role of agricultural labor performed (related to rice production) by males vary according to changes in land scale? (2) Is the role of older men (more than 65 of age) involved in agricultural labor related to rice production significant? (3) In certain districts judged to be moving towards scale enlargement by the Markov Analysis, is the rate of decrease in the number of assistant laborers (males involved in all capacities other than that of basic laborer) greater than the rate of decrease in the number of basic laborers (male, 49 years of age and under, and engaged in agricultural labor more than 150 years per year)? The subjects were examined by using the agricultural census from 1980 and 1985. The major findings obtained from this analysis are as follows. (1) The role of basic labor in rice production in large scale farm households is larger than small scale farm households. (2) The role of older men pesrforming agricultural labor in rice production is significant. It is almost equal to the role of younger men. (3) There is no significant difference between the rates of decrease in assistant laborers and basic laborers in certain districts judged to be moving towards scale enlargement by the Markov anlysis. Accordingly, as the number of assistant laborers is not decreasing more rapidly than the number of basic laborers (due to the influential role of aged men performing work related to rice production), it is unlikely that large scale farm households will occupy an absolute majority in Japanese rice production.
- 北海道東海大学の論文
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