Elements of practical agriculture; comprehending Elements of practical agriculture; comprehending the cultivation of plants, the husbandry of the domestic animals, and the economy of the farm elementsofpracti00lowd Year: 1838 THE BEAN. 2G9 double turn, in the manner described, the operation may be performed thus: The plough passing from x to y, forms the drill xyzr by a single turn. On arriving at y, the plough turns left about, and, returning by the same track, forms ano- ther drill yx EF, also by a single turn : on arriving again at x, it turns to the left, and proceeding from r to z, forms
Elements of practical agriculture; comprehending Elements of practical agriculture; comprehending the cultivation of plants, the husbandry of the domestic animals, and the economy of the farm elementsofpracti00lowd Year: 1838 THE BEAN. 2G9 double turn, in the manner described, the operation may be performed thus: The plough passing from x to y, forms the drill xyzr by a single turn. On arriving at y, the plough turns left about, and, returning by the same track, forms ano- ther drill yx EF, also by a single turn : on arriving again at x, it turns to the left, and proceeding from r to z, forms the drill rz GH : on arriving at s, it passes on to F, and proceeding from F to E, forms the drill FEIR. The drills thus formed should not be less than 27 inches from centre to centre. A transverse section of the land, when drilled, will appear thus— Fig. 141, The land being thus ridged up, the seeds are to be sown by the sowing-machine (Fig. 32), or better by the machine Fig. 33, which sows three rows at once. The former is pushed for- ward by the workman, the latter is drawn by a horse. The seeds are thus sown in the hollows of the drills, and the plough passing along the centre of each drill, splits it into two, and so covers the seeds. The common plough performs this ope- ration, or it may be performed by a double mould-board plough. A transverse section of the drills when split or divided will ap- pear thus— Fig. 142. In this manner, the seeds are well covered, sown in rows at the distance required, and prepared for the subsequent opera- tions. But the previous operations taking place at a very early period of the season, wet weather may intervene to prevent this species of tillage. In this case, in place of first plough-
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