1. Characters that adapt Peat for Agricultural Use 28 A. Physical or Amending Characters 28 I. Absorbent Power for Water, as Liquid and Vapor 31 II. " " for Ammonia 32 III. Influence in Disintegrating the Soil 34 IV. Influence on the Temperature of Soils 37 B. Fertilizing Characters 38 I. Fertilizing Effects of the Organic Matters, excluding Nitrogen 38 1. Organic Matters as Direct Food to Plants 38 2. Organic Matters as Indirect Food to Plants 40 3. Nitrogen, including Ammonia and Nitric Acid 42 II. Fertilizing Effects of the Ashes of Peat 46 III. Peculiarities in the Decay of Peat 50 IV. Comparison of Peat with Stable Manure 51 2. Characters of Peat that are detrimental, or that need correction 54 I. Possible Bad Effects on Heavy Soils 54 II. Noxious Ingredients 55 a. Vitriol Peats 55 b. Acidity--c. Resinous Matters 57 3. Preparation of Peat for Agricultural Use 57 a. Excavation 57 b. Exposure, or Seasoning 59 c. Composting 62 Compost with Stable Manure 63 " " Night Soil 68 " " Guano 69 " " Fish and other Animal Matters 70 " " Potash-lye & Soda-ash; Wood-ashes, Shell-marl, Lime 72 " " Salt and Lime Mixture 73 " " Carbonate of Lime, Mortar, etc 75 4. The Author's Experiments with Peat Composts 77 5. Examination of Peat with reference to its Agricultural Value 81 6. Composition of Connecticut Peats 84 Method of Analysis 86 Tables of Composition 88-89-90 PART III.--ON PEAT AS FUEL