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QUERE III. What is the average produce per acre and average price?'“

The average produce of a potatoe-crop differs according to tlie kinds that are planted. Where the Dwarf Round Early is raiſed, from twenty-

five to thirty bolls per acre is reckoned a good crop. Theſe generally fell

from 4s. to 10d. per peck.

Where the Early Kidney is planted, the crop is ſometimes from thirty- five to forty-five bolls per acre: the price of theſe(being ſomewhat later than the Round Early) is from 38. to 8d. per peck. 8

Where the Royal or Cumberland Early is planted, which grows to a con- fiderable ſize, and is at the ſaine time very prolific, the crop may average

fixty or ſeventy bolls per acre. Theſe will alſo ſell at from 38. to 8d. per

eck. Of all the late kinds the produce is much greater; ſixty bolls per acre is

an extraordinary crop; and upon good lands, ſeventy, eighty, or 100 bolls

are often reaped. The pricé of theſe differs from 76d. to 3 1 per peck. Taking the prices one year with another, perhaps not more than one- eighth of any kind of potatoes ſell at the higheſt prices; but even upon this calculation, which is moderate enough, it will appear that the ſum drawn for an acre will be very great. Where one crop only is raiſed upon the ſame ground yearly, the average value of an acre may be from 121. to 161. or to 181. per acre; and where two crops are raiſed, the value may run from 161. to 251. ſterling per acre.

QUERE IV. α Whether ſucceſſive crops of potatoes can be raiſed on Cthe ſame ground without exhauſting it?'“

This queſtion has been in a great meaſure anſwered in the of this memoir. Every experience that we have had convinces us, that a ſfucceſſion of any kind of crops will exhauſt land, unleſs a conſiderable quantity of manure is thrown in. We have obſerved, however, and we

preceding part

are completely warranted in the obſervation, that though a ſucceſſion of

erops of the ſame kind of potatoes will not be profitable, yet if a different Kind is planted each time upon the ſame ſoil, they will be good. We leave

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