198 INDEX. 



Trees, contribute to ornament and shelter, 465 ; their other impor- 

 tant uses, ib. ; management of, in woods, 47 4, 492 ; young, how to 

 be raised, 479 ; kinds adapted for planting in various situations, 

 480 ; on pruning, 495 ; fore-shortening, 496. 



fruit, pruning, peeling and planting of, 444. 



Trefoil or yellow clover, when a useful plant, 435. 



Trenching, when advisable, 159 ; land added to cultivation in Aber- 

 deenshire by, ib. ; expense of, 160. 



applicable to sloping land, 391 ; cannot be extensively 



practised on deep clay, ib. ; the best means of reclaiming rugged 

 wastes, 392; its effects in Aberdeenshire, Forfarshire, Stirling- 

 shire, and Dorsetshire, ib. ; plantations improved by, 393 ; its ad- 

 vantages in clearing arable lands of weeds, 394 ; improvements in 

 the art of, ib. ; to what occupations it is applicable, 396. 



Trench-plough, the, 111. 



Trench-ploughing, method of, 308 ; expense of, ib. ; how executed 

 in Wiltshire, Devonshire, and Flanders, ib. ; cost of, for garden- 

 farming, 



Tumbrils, of three wheels, uses of, 124. 



Turf, when ought to be pared and burned, 239 ; depth of, pared, 

 240 ; transplanting of, 422. 



Turf-draining, 190. 



Turnips, transplanting of Swedish, 343. 



on the cultivation of, Add. 132 ; great importance of, Add. 



ib. ; liable to be injured or destroyed by an insect. Add. 133 ; 

 modes of destroying the fly which attacks, Add. ib. ; methods of 

 obviating or preventing the effects of the fly, Add. 134, 135, 136; 

 improvement in the cultivation of, effected by rolling, Add. 135; 

 practice of various cultivators in the management of, Add. 137, 138, 

 139. 



drilling for, greatly to be preferred to sowing broadcast, 



334 ; what soil best for, 24; machines for sowing, 115 ; machines 

 for slicing, 127; rotten dung essential for, 200 ; dung, how applied 

 to, 205 ; expense of weeding, 267 ; rolling necessary for, 320. 



Under-crops in orchards, 460. 



Underwood, reason for cutting, 473. 



Unreclaimed lands, advantage of paring and burning, 238. 



Upland pastures, draining of, 194; how improved, 402; rules prac- 

 tised by judicious farmers in the management of, ib. ; how most 

 effectually improved, 403. 



Urine, what it contains as a manure, 210; of cows or horses, what 

 worth, ib. ; how much improved, and when particularly useful, ib. 



pickle used to prevent smut, Add. 58. 



Vale laud, adapted for permanent pasture, 410. 

 Vane, or weathercock, utility of the, 16. 

 Variable weather, its effects on grain, Add. 55. 

 Vegetables, how affected by heat, 9; by light and darkness, 10; by 

 moisture and other agents, 11. 



culinary, their properties, 441 ; of immense importance 



