. The pruning-book; a monograph of the pruning and training of plants as applied to American conditions. 307. Overhead Kniffin. tion and three in the other; and the positionsof these sets are alternated each year, if canes which are left after the winter prun-ing are tied along the wires in spring, as in the 476 AMERICAN GRAPE TRAINING, CONCLUDED Kniffiii, and the shoots hang over the wn-es. Thechief advantage of this training is that it allowsof the growing of bush-frnits between the rows,as seen in Fig. 308. It is also said that theclnsters hang so free that the bloom is not in-
. The pruning-book; a monograph of the pruning and training of plants as applied to American conditions. 307. Overhead Kniffin. tion and three in the other; and the positionsof these sets are alternated each year, if canes which are left after the winter prun-ing are tied along the wires in spring, as in the 476 AMERICAN GRAPE TRAINING, CONCLUDED Kniffiii, and the shoots hang over the wn-es. Thechief advantage of this training is that it allowsof the growing of bush-frnits between the rows,as seen in Fig. 308. It is also said that theclnsters hang so free that the bloom is not in-jured by the twigs or leaves, and the frnit isprotected from sun and frost. Everj post must. 308 0^erheaa Kniffin be large and firmly set, however, adding muchto the cost of the trellis. Several styles similar to this are in use, oneof the best being the Crittenden system, ofMichigan. In this system the trellis is low, notexceeding four or five feet, and the vines covera flat-topped platform two or three feet midsummer the drooping shoots have reachedthe ground, making a continuous draper} offoliage, as seen in Fig. 309. CROSS - WIRE TRAINING 477 The cross-WIRE system.—Anotlier high Knif-fin training, and which is also confined to thevicinity of Marlboro, New York, is the Cross-Wire, represented in Fig. 310. Small posts areset eight feet apart each way? and a single wireruns from the top of post to post—six and one-half feet from the ground — in each direction,forming a check-row system of overhead grape-vine is set at the foot of the stake,
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