農民の農機具利用技術生態に関する研究 (第2報)

抄録

(1) Ecologically as same as the 1st report, we analysed the farmar's technique of farm machinery driving about the rice threshing work by motor-threshers.
(2) The efficiency of the threshing work is determined by all of four-grouped factors, belonging to machinery, bundles of rice, labourers and working methods
(3) The eco-types of those factor are not only given by the regional and farming conditions, but are also correlated each other.