Reseña del editor:
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1863 Excerpt: ...the result, and that was confirmatory of our earliest opinions. Of those that were not affected the crop was fine. Those which were mowed off, ripened, but were little more than half-grown, and were also perfectly sound; while of those left to themselves, the decomposition had descended to the roots, and the tubers were nearly all putrid. Only last season all our crop was touched in one day, and they were of various kinds grown for seed. We pointed this out to many of our neighbours, and ordered them to be cut down close directly. The result was as sound a crop as was ever dug out of ground, but all half-grown, though perfectly ripe. There is a difficulty in liming an outdoor crop, because, if a bit of the poisoned haulm be left uncovered, the plant is sure to perish; but there is no difficulty in cutting oft' all the haulm, and by that, if done immediately, saving the crop, though the tubers get no larger. The discoveries of the learned professors upset each other. One found it was the "aphis vaetator," a fly similar to, if not identical with, the aphids, which attack our house plants and roses. Another attributed it to canker; a third to mildew, fungi, and we know not how many other enemies, every one of these learned gentlemen mistaking the effect for the cause. We do not deny that they have found all these things when decomposition has taken place, but we have abundant reasons for believing, if not knowing, that electricity is the cause of decomposition wherever it strikes, and that it is as sure to affect the whole, when only a portion is struck, if it be left to pursue its course. What else can attack so suddenly and so arbitrarily? destroying some plants and leaving others unscathed, although close to each other. What is cholera but that po...
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