Cuitivation of Common Field Newly Converted Upland Crops in Upland from Low Iand Field KazuYuki WATANABE (Tohoku National Agricultural Experiment Station) e)r
(ta1e65r;16)
v\ tv trf tve Q +.e.. 06.. 9... :., 2{..._... o^.4_.1... -40-
-/1r-
s) 74 * +', = )v*lfrj