xviii TABLE OF CONTENTS 



PAGES 



The lime-magnesia ratio, 458— Forms of calcium, 459 — 

 Caustic limes, 460 — Carbonate of lime, 461 — Relative 

 effectiveness of caustic lime and carbonate, 462 — Sul- 

 fate of calcium, 463 — Common salt, 464 — Muck, 465. 



CHAPTER XXV 

 Fertilizer Practice 546-576 



Effects of nitrogen on plant growth, 466 — Effects of 

 phosphorus on plant growth, 467 — Effects of potassium 

 on plant growth, 468 — Law of the minimum, 469 — Fer- 

 tilizer brands, 470 — Fertilizer inspection and control, 

 471 —Trade values of fertilizers, 472 — The buying of 

 mixed goods, 473 — Home-mixing fertilizers, 474 — Fer- 

 tilizers not to be mixed, 475 — How to mix fertilizers, 

 476 — Factors affecting the efficiency of fertilizers, 477 — 

 Method and time of applying fertilizers, 478 — Fertiliz- 

 ing crops, 479 — Systems of fertilization, 480. 



CHAPTER XXVI 



Farm Manures 577-618 



General character and function of farm manures, 481 

 — Variable composition of manures, 482 — Litter, 483 — 

 Class of animal, 484 — Individuality, condition, and age 

 of animal, 485 — Food of animal, 486 — Handling of the 

 manure, 487 — Composition and character of farm ma- 

 nures, 488 — Actual plant-food in liquid and solid excre- 

 ment, 489 — Production of manure, 490 — Heiden's 

 formula, 491 — Poultry manure, 492 — Commercial and 

 agricultural evaluation of manures, 493 — The fermenta- 

 tion of manure, 494— Aerobic action, 495 — Anaerobic 

 action, 496 — Fermentation in general, 497 — Gases from 

 manures, 498 — Change of bulk and composition of rot- 

 ting manure, 499 — Fire-fanging of manure, 500 — 

 Waste of farm manures, 501 — Losses due to digestion, 

 502 — Losses due to leaching and fermentation, 503 — 

 Increased value of protected manure, 504 — The money 

 waste of manure, 505 — Handling of manures, 506 — 

 Care of manure in the stalls, 507 — Hauling directly to 



