3.)0 Culticaiion of Arable Land. After-management of new Grafs Land*. 



the young grafs plants in their more tender growth ; but they are more flow in pro 

 ducing their beneficial effects. &quot;Woollen rags, though not generally ufed as 

 manure on grafs land, yet, when chopped fmall, have been fpread with advantage 

 on young clovers before winter to the amount of about 10 cwt. per acre.* * 



On applying, in order to compenfate for an immediate crop of hay, and to 

 thicken the fward, on one part of a field rotten dung about eight tons to the ftatut; 

 acre; on another part woollen rags chopped at the rate of 100 ftoncs to an acre ; 

 and on third a rich marl in the proportion of about 80 tons to the ftatute acre, 

 Dr. Campbell, on comparing their effects two years after their application, found 

 that &amp;lt;c the dung had produced the greater luxuriance. The woollen rags had a 

 iuperior verdure,a deeper green : but as they had not yet been properly incorporated 

 with the land, by the grafs growing over them, their ultimate produce could not 

 be afcertained. An acre of land may, he fays, be manured by this means for about 

 3!. effectually, ihould they be found to anfwer the purpofe.&quot; The fame is the 

 cafe with &quot; the marl, which having covered the ground into which it is not yet 

 carried down by the rains, and the grafs not having grown through, it has at prefent 

 rather done harm than good.&quot; On this account it is fuppofed that marl is long in 

 producing its beneficial effects, and the return of which cannot be looked for in 

 Jefs than two or three years. 



Thefe facts fufficiently mow that different effects may be produced on grafs lands 

 by the application of different forts offubftances to them in the manner oftop- 

 .dreffings after they have been laid down. That where fine herbage is the principal 

 object in view, coal afhes and compofls of the earthy kind, formed from fand, mud, 

 fcrapings of roads, and other fimilar materals, intimately blended and incorporated 

 \vith fuitable proportions of well rotted dung, may be the molt advantageous ap 

 plications. The liquor of fold-yards and watering may alfo be ufeful in the fame 

 intention, as well as thofe of reftoring the fwards, and promoting the luxuriance of 

 the crops. But where the increafe of produce is chiefly intended, good duno 1 in a 

 well reduced ftate, tallow-chandler s graves, night foil, chopped rags, foot, fcum 

 of fugar, and other manures of the more animal kind, are the moft beneficial and 

 proper. In other views, as thofe of eftablilhing and preferving the different 

 grafles marl, lime, chalk, the folding of fheep, and other fubftanccs and 

 operations of the fame nature will be the moft fuitable for producing fuch effects. 

 And in rendering the lands more firm and folid,the laft three fubftances may pro* 

 bably be had recourfe to with the greateft benefit and fuccefs. 



* \YiUunfon in Communications to the Board, &c. vol. III. 



