CEO’ NATIT ES N= 28;

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Manner of proceeding with diffcrent vege~ States of, in which they may be appl’ed table matters in£262, with most advantage:«272 Py mixing of lime with 4. 265 Modes of applying in different cases ee By preventing evapor ation; 5 enleyel. To arable lands: Seabids By cc sllecting d different sorts of materials. ibid. To grass lands:. ibid

By folding sheep;, 267. Seasons in which their application may be By managing different green crops. 208 best performed in ditlerent instances ibid.

By preven ing the waste of the soil of pri- Circumstances respecting their putting into vies wesi bid, land, described; vi2gA

By attention to the saving of different ani- When applied on the surface, what neces- mal matters:- 270 sary to be attended to;=. inid,

By collec: ing vegetable earth. 271 Means of applying them in the most saving By the proper mavagemen 1i of dunghills> a 1bid. way‘ oe

GENERAL/ APPLICATION OF MA- Kinds of manure that may be used to most NURES;. 272 advantage in different cases. 278

ee

SECTION VIII. DRAINING OF LAND.

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MUCH water necessary to the Cal growth of plants 228)

Highly injurious to, when retainedin or upon soils in over-proportions é. ibid,

Hence the necessity of removing it, by drain-

ing such lands previously to other improvements= ibid.

Circumstances on which the successful per- formance of this business depends. 282

The different stratified nature of the ground to be attended to. ibid. Distinction of the strata in different eases;. iid. In elevations or hills.. ibid: In lower grounds. ibid.

Reason of their irregularity in| different in- stances 2p ibid.

Manner in which water is nes and collect- ed on elevated situations, and brought down to the lower ones. 283 Different watery appearances produced there- by 5 as swamps, morasses, oozing springs, weeping rocks, large springs, rivulets,&c. ibid, Break out at different Aietances! according to the nature and regularity of the stratum on which the water passes__ ibid. On what the difference of farce Seneaes in

different cases ew eibide Nature of the impervious strata on which the water is conducted. 284

Clayey and compact marly strata, chiefly the kinds on which water is conveyed

They extend to different depths in different cases:°. ibid.

. ibid.

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The clayey generally the more super- ficial;>; 284

Nature of the intervening porous materials in different cases«ibid.

Different situations of ground in respect to

wetness 5 AS

Methods of removing it in dimetent cases and situations AE land: seibids

Circumstances to which attention should be paid in this view. 286

Causes from which wetness as respecting agriculture mostly arises. ibid.

General methods of removing, by intercept- ing the water of springs:. ibid. Different cases of this°. 287 By cutting of drains. ibid.

By perforating, by means of the auger. ibid. Cases where the common method of cut- ting various deep drains may be

practised with success. ibid. Where perforating the thin impervious strata to the open porous ones may

be made use of;= ibid: Circumstances that tend to show the pre- sence of springs: 289 note.

Cases in which water may be intercepted by cutting into the sides of elevated grounds, and carried off by suitable means at nigh levels. 290 Drainage of lands lying below the jevel cf ‘the sea, only to be effected by expen-

sive machinery~ cibide Encircling them with large Gictes might be beneficial:= ibid.