384 Mr. GREENLEAF's Experiment for | 
and, returning with the plough on the fide next to which the 
furrow was turned, threw up another furrow againft the firft. 
At four feet diftance from this another double furrow was ploug- 
ed, in the fame manner ; and ío on, leaving a fpace of four 
feet between the Senki furrows, through the whole field. 
Upon thefe double furrows potatoes were planted, leaving the 
{pace of four feet between each hill. This field contained two 
acres and an half, and was about forty rods in length. It was 
ci i and planted, in one day, with one horfe and two boys. 
the potatoes came up and wanted tending, the fame boys, 
with the fame horfe and plough, turned another furrow of the 
unploughed ground towards the potatoes, on each fide, and 
dreffed them with their hoes : this they alfo performed in one 
day. At half-hilling, it was repeated, and the whole field be- 
came ploughed. At hilling, the field was crofs-ploughed, the 
earth thrown towards the crop each way, and drefied with the 
hoe. By this mode, two acres and an half was compleatly 
tilled in four days, with the labour of only two beys and one 
horíe ; which, in the common way of managing ground, would 
have required ten days labour of one man, one boy, and two 
horfes. 
The next {pring I ploughed, betweenevery two rows of the 
old potatoe-hills, two furrows, which were thrown one againft 
the other, and planted my corn upon them, without any manure. 
"The ploughing and planting was performed by the fame horfe, 
plough and boys, in one day. My corn was hufbanded in the 
fame manner my potatoes were the year before. A field on the 
other fide of the fence, much of the defcription and fize of mine, 
was two days and an half in ploughing and planting, with one 
"—- a boy, two horfes, and a common plough. This field, 
was 
