s at Moreton Farm.-- Mr. Hunter's
Experiments. 255

CHAPTER XXXII.

What Crops should Manure be Applied to?-- How, and When?-- John
J. Thomas' manner of Applying Manure.-- Top Dressing.-- Doct.
Voelcker's Experiments. 265

CHAPTER XXXIII.

Manures on Permanent Meadows and Pastures.-- Experiments at
Rothamsted. 271

CHAPTER XXXIV.

Manures for Special Crops.-- Hops.-- Indian Corn.-- Turnips.--
Mangel-Wurzel or Sugar-Beets.-- Cabbages, Parsnips, Lettuce,
Onions, etc. 274

CHAPTER XXXV.

Manures for Gardens and Orchards.-- Market Gardens.-- Seed-growing
Farms.-- Private Gardens.-- Hot-beds.-- Manure for Nurserymen.--
Fruit Growers.-- Hen-Manure. 294

CHAPTER XXXVI.

Different Kinds of Manures.-- Cow Manure.-- Sheep Manure.-- Buying
Manure.-- Liquid Manure.-- Nightsoil and Sewage.-- Peruvian
Guano.-- Salts of Ammonia and Nitrate of Soda. 302

CHAPTER XXXVII.

Bone-Dust and Superphosphate of Lime.-- Bone furnishes Nitrogen
as well as Phosphate of Lime.-- Increasing the Availability of
Bone with Sulphuric Acid. 314

CHAPTER XXXVIII.

Special Manures.-- Liebig's Views.-- Special Manure for Wheat and
Turnips.-- Rothamsted Experiments. 320

CHAPTER XXXIX.

Value of Fertilizers.-- Cost per pound of the Essential
Constituents of Fertilizers.-- Value of Guanos.-- Potash as a
Manure. 324

CHAPTER XL.

Restoring Fertility to the Soil, a Chapter by Sir John Bennet
Lawes.-- The Treatment of a Poor Farm, to Restore it most
Profitably.-- Meat-making the Back-bone of the System.-- The
Use of Sheep to Manure the Soil.-- The Feeding of Cotton-seed
Cake.-- Artificial Manures not Profitable on Poor Land.--
The Loss of Nitrogen.-- The Formation of Nitric Acid. 342

APPENDIX.

Letter from Edward Jessop.-- From Dr. E. L. Sturtevant.-- From
M. C. Weld.-- From Peter Henderson.-- From J. B. M. anderson.--
Manure Statistics of Long Island.-- Letter from J. H. Rushmore.--
Letter from John E. Backus.-- Manure in Philadelphia.-- Various
other Letters.