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at QQQ^ (Fig» 20th); but it is of much smaller consequence to have the boundaries, at the two ends of the ridges* either straight or parallel to one another; and, therefore, on occasions which may require it, the farmer ought always ta humour the situation of the ground in those fences that are opposite to the ends of the ridges, as in the curve line FGP, (Fig; 20th) which is supposed to be the naturalforni of the banks of the rill, rather than the straight lines ON, NG, GT, or any other straight line whatever;
Nor ought the oe6onomical farmer to con* stilt only the situation of his grounds, but also their quality, When he means so divide them into inclosures. For it often happens that two fields of very different qualities lie quite contiguous to one another ; and if these, for the sake of regularity, should be included in the same inclosure* and form, perhaps, different parts of the same ridge, he may very soon lose more, by the damage that the one part may sustain by his being obliged to labour it improperly along with the other, than he can gain by the greater quantity of work that he can perform in a regular than in an irregular field. He will, therefore, in general, make it his study to have all the ground in one inclosure as much of the fame quality as possible; and make the exact regularity of his field, in some measure, give way to convenlency in thi* reipect \ although he will not be so scrupulously attentive hereto, as to distort his fencesfor every trifling inequality in this respect*
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The foregoing sheets nvere thrown off before I had an opportunity oj'peruftng Mr Boutcher's judicious Treatise on Fore/I Trees. It gives
me tm tnueh satisfaction to observe* that the opi* nion I have been obliged from experience to adopt, of the necessity of having a rich soil for a nursery of thorn-plants, is so strongly confirmed by the experience of that attentive nur* feryman.-^lnsome respetls, that gentleman recommends a mode of culture for rearing hedges different from that which J have most appro* ved of \ But, upon a careful rcvisal of what has been advanced in the preceding pages, J find no reason to alter any thing that has been said on that head, His experience has been chiefiy in the garden, or in rich sheltered parts of the country ;—mine has been in the fields, and in exposed situations. This will account for his approving of some modes of pr 'atiice that I have not, nor can recommend. Those who are in a similar situation with himself may, without danger, adopt his praclice—r what I have recommended will answer as well in these situations, and is the only pracfifc / have yet seen that can be successfully
followed in others that are more unfavourable. My aim has been to extend this improvement to the bare and expo/ed fields of Scotland, where the difficulty of rearing hedges is., much greater than those ivho have lived in. sheltered countries can well imagine.
I might anjiver some objections he has made, and point out the reasons for my retaining some opinions different from him:-—but^ thinking this would only, without necessity; add tof the bulk of this volume, 1 chuse to engage n farther at present in this discussion.