CONTENTS.
Means of improvement inApplications necessary forVEGETABLE EARTH, OR SOILNature of, in different casesFormation of, how effected .
PAGE.
• ig6 Oxygenation supposed to retard the dc-ibid. ' structiort of
. 197 Means of promoting the increase ofibid. Causes'which render it too light for grainibid. crops , ,
SECTION VII.MANURES.
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MANURESChanges undergone in substances in the for-mation of . .
Fluid, elastic, and volatile matters, chieflyprepared in the soil
Are in different proportions according tocircumstances
The more gross matters applied to landschiefly termed manuresChanges necessary in these to fit them for thesuppdrt of vegetation
Muchdifference in, according as they aboundwith certain substahees or principlesThis probably the cause why some mattersare so superior to others when usedequally
Other modes in which they contribute to thegrowth of cropsDifficblty of arrangement ofMay probably be usefully divided into animal,vegetable, fossil, saline, and com-pound manures
MANURES FROM THE DECOMPO-SITION OF ANIMAL SUB-STANCES .
How they contribute to the support ofplants
Differences in the constituent principles of,may produce diiferences in their ef-fects
Their tendency to putrefactionHow promoted
Circumstances to be attended to inHard animal substancesDifferent natures of .<
Bones, horns, hoofs, and others-Circumstances to be attended to in their pre-paration, mixture, combination, andapplication
Soft animal substancesVarious kinds of . ,
Greaves ; sugar scumRefuse of manufactoriesFish, blood, &c.
. 202 Circumstances to be regarded in their pre-paration
ibid. In their combination and mixture withother matters
ibid. In their application and use
Woollen rags, hair, feathers, &c. probably of. 203 inferior advantage
Animal of more durable effect than manyibid. other substances
Animal dungsibid. Nature and goodness of
On what this latter depends in generalibid. Kindsof employed
Effects of, how producedNight-soil . .
ibid. Of birds and other animals
Circumstances to be attended to in the col-ibid. lecting of . .
. 204 Of swine . . .
Of horses and cows
Attentions in the mixing of with other sub-ibid. stances
Of sheep . .
Attentions in the application or use of onibid. land
MANURES FROM THE DECOMPO-ibid. SITION OF VEGETABLE SUB-
STANCES
Methods in which they are prepared for the205 support of plants
ibid. Different matters suitable for, formed duringibid, the decomposition of
ibid. Reasons why they differ in their effects on. 200 land
ibid. Substances that may be used, variousibid. Refuse vegetable substances
Manner in which they may be rendereduseful
ibid. Green crops
. 20/ Sea weed . .
ibid. Tanners’ bark
ibid. Mud from various places
. 210 Malt-dust . ,
ibid. Refuse of oil-cakes, Nc.
PAG*.
. it)8. 199
. 200
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210
ibid,
ibid.
. 211
ibid,ibid.. 212ibid,ibid,ibid.. 213. 214
. 215ibid,ibid.
. 216ibid.
ibid.
ibid.
ibid.
, ibid.
• 210. ibid,ibid.
, ibid.. 220. 221. 222. 223. ibid.. ibid.