This section is from the book "The American Garden Vol. XI", by L. H. Bailey. Also available from Amazon: American Horticultural Society A to Z Encyclopedia of Garden Plants.
The plat selected for this experiment was a dark loam, only moderately fertile, and as nearly uniform as it could be made. The Burbank variety was used, selected for uniformity in size, and cut in pieces ranging from one eye to six, the seventh row receiving a whole potato. They were planted one foot apart in drills, the rows being three feet apart. The rows were covered about two inches deep with well-rotted barnyard manure, and given level cultivation. From about May 1st until they began to ripen there was a marked difference in the size of the tops, there being a regular, upward gradation from No. 1 to No. 7, suggesting what might be looked for farther on. And, sure enongh, in digging, the following yields per acre were obtained, the ground being measured and the potatoes carefully weighed :
Marketable Tubers. | Small Tubers. | Total. | |
Bus. Acre. | Bus. Acre. | Bus. Acre. | |
From one eye............... | 103 | 29 | 132 |
From two eyes .... | 195 | 40 | 235 |
From three eyes................ | 290 | 40 | 330 |
From four eyes............. | 322 | 44 | 366 |
From five eyes . . | 345 | 80 | 425 |
From six eyes............. | 338 | 102 | 440 |
From whole tubers.............. | 381 | 117 | 498 |
This, of course, is the result of but a single trial, on a plat five rods long. The same experiment continued next year on a larger scale and under different conditions may bring altogether different results.
Indiana. J. Troop.
[Note. - Several photographs of proportionate yields in the above tests were sent by Professor Troop, and they illustrate very graphically the results of the tests. - Ed. Am. G].
The Well Known fuchsia grower, George Fay, Lewis-ham, England, is said to have secured a white fuchsia - white throughout.
 
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