by sheep, oxen, and cows
280
|
|
IV.
|
Percentage of food voided in the solid and liquid excrements
|
281
|
|
V.
|
Pig excrements
|
281
|
|
VI.
|
Manurial constituents in 1000 parts of ordinary foods
|
282
|
|
VII.
|
Analyses of stable-manure, made respectively with peat-moss litter and wheat-straw
|
283
|
|
VIII.
|
Analyses of bracken
|
283
|
|
IX.
|
Analyses of horse-manure
|
283
|
|
X.
|
The nature of the chemical reactions of ammonia "fixers"
|
284
|
|
XI.
|
Analyses of cow-manure
|
286
|
|
XII.
|
Composition of fresh and rotten farmyard manure
|
286
|
|
XIII.
|
Comparison of fresh and rotten manure
|
288
|
|
XIV.
|
Lord Kinnaird's experiments
|
289
|
|
XV.
|
Drainings of manure-heaps
|
290
|
|
XVI.
|
Amounts of potash and phosphoric acid removed by rotation from a Prussian morgen (.631 acre)
|
290
|
|
XVII.
|
Composition of farmyard manure (fresh)
|
291
|
|
XVIII.
|
The urine (quantity voided)
|
291
|
|
|
|
CHAPTER VIII.—GUANO.
|
|
Importance in agriculture
|
293
|
|
Influence on British farming
|
294
|
|
Influence of guano not wholly good
|
295
|
|
Value of guano as a manure
|
296
|
|
Origin and occurrence of guano
|
297
|
|
Variation in composition of different guanos
|
299
|
|
I.
|
Nitrogenous guano—
|
|
|
(a)
|
Peruvian guano
|
300
|
|
|
Different deposits of Peruvian guano
|
301
|
|
|
Appearance, colour, and nature of Peruvian guano
|
303
|
|
|
Composition of Peruvian guano
|
304
|
|
|
(b)
|
Other nitrogenous manures: Angamos, Ichaboe
|
306
|
|
II.
|
Phosphatic guanos—
|
|
|
Occurrence of phosphatic guanos
|
308
|
|
|
Inequality in composition of phosphatic guanos
|
309
|
|
|
"Dissolved" phosphatic guano
|
310
|
|
|
"Equalised" or "rectified" guano
|
311
|
|
|
The action of phosphatic guanos as manures
|
312
|
|
|
Proportion of fertilising constituents in guano
|
314
|
|
|
Mode of application of guanos
|
315
|
|
|
Quantity of guano to be used
|
317
|
|
|
Adulteration of guano
|
318
|
|
So-called guanos—
|
|
|
Fish-guano
|
320
|
|
|
Value of fish-guano
|
322
|
|
|
Mean-meal guano
|
324
|
|
|
Value of meat-meal guano
|
324
|
|
|
Bat guano
|
325
|
|
|
Pigeon and fowl dung
|
325
|
|
|
|
APPENDIX TO CHAPTER VIII.
|
|
NOTE
|
|
I.
|
Peruvian guano imported into United Kingdom, 1865–1893
|
327
|
|
II.
|
Guano deposits of the world
|
327
|
|
III.
|
Composition of concretionary nodules
|
|
by sheep, oxen, and cows
