Chapter XX: Indirect Manures

Lime 449
Antiquity of lime as a manure 449
Action of lime 449
Lime a necessary plant-food 450
Lime of abundant occurrence 452
Lime returned to the soil in ordinary agricultural
practice 452
Different forms of lime 453
Caustic lime 453
Lime acts both mechanically and chemically 455
I. Mechanical functions of lime 455
Action on soil's texture 455
Lime renders light soils more cohesive 457
II. Chemical action of lime 457
III. Biological action of lime 459
Action of lime on nitrogenous organic matter 460
Recapitulation 461