583
ADDITIONS AND CORRECTIONS TO THE FIRST VOLUME. hake
To be read after Line 8, Page 5.—Ly has been fuggefied by‘an able agri- cultor, that the breaft of a plough fhould
be long and narrow, making an acute angle with the beam;
the length of the brea tends to preferve the fieg from breaking, the furface for its fupport being large. This is a very important confi- deration in ploughing old leys for wheat, peafe,&c., as a number of weeds are thus fmothered which would otherwife infinuate themfelves through the interftices of broken ground. The refiftance of the earth againft the breaft, is alfo obvioufly dimi- nifhed in proportion to the acute angularity of the breaft againtt the beam,
To be read after Line to, Page 17.—On fome very ftiff clayey foils the ordinary cuneiform coulters have been found incapable of penetrating to a fuf- ficient depth without the affiftance of extraordinary weight and preffure. This great inconvenience has been in fome meafure overcome by adding to the extremi ties of the coulters a blade of iron to precede them, curved like an inverted fcy the, or turned up, as it were, like the toe of a fkate, thus: ab isthe a old-fathioned coulter(the groove which conducts the feed being left blank), and 4 ¢ is the curved knife now added to facilitate its infertion; de is intended to reprefent the level of the land. d.
This conftruction of the coulters feems to poflefs the double advantage of faci-
litating their infertion into the ground, and of affording fome refiftance to any oc- cafional obliquity of direGtion to which the machine may be urged.
Implements ufed in the Cultivation of Hops.
To be read after Line 10, Page 28.—In preparing grounds for the recep- tion of hop-vines, and in keeping them clean and free from weeds during their growth, feveral different implements are employed. The fpade and the com- mon hand-hoe are, however, in fome places the chief tools that are made ufe of though they obvioufly require much time, and confequently increafe the expenfe o the cultivator.
Hop-Shim.—This implement is conftru@ed with a fr
ame, fomewhat in the manner of the common wheelbarrow, and has feet or teeth which cut up and drag out fuch weeds as may be prefent at the&
ame time, that they pulverize and prepare the Wie x.*4D


