CONTENTS. 11 



Page 



Jerusalem potato or artichoke 352 



Dried stems of Jerusalem artichokes 3o'i 



Table of the proportions of water contained in different substances 3.i:i 



'Composition of the same sub^^tances dried in vacuo at 230" F 3.';3 



Relation of manures to crops 3.51 



Desiccation of half-made or half-decayed manure 3rj4 



Experiment I 3j4 



Experiment II 3.1.4 



Exiieriment III. 3."j4 



Analyses of half-made manures 354 



Composition of the manures analyzed 355 



Rotation course, No. 1 357 



Rotation course, No. 2 357 



Rotation course, No. 3 358 



Rotation course, No. 4 358 



Continuous Jerusalem potato crop. No. 5 358 



Quatrennial rotation, adopted by M. Crud, No. 6 358 



Summary 359 



5 II -Of the residues of different crops 360 



Potato tops or haum 3G1 



Leaves of field-beet or mangel-wurzel 361 



Composition of dry leaves 361 



Wheat stubble 3C2 



Clover roots 362 



Composition of the roots 362 



Oat stubble 302 



Summary of the foregoing results 363 



^ III. — Of the inorganic substances of manures and crops 3.54 



Composition of the ashes proceeding from the plants grown at Bechelbronn 366 

 Mineral substances taken up from the soil by the various crops grown at 



Bechelbronn upon one acre 366 



Table of the mineral matters of the crops and manures in the course of a 



rotation 369 



CHAPTER VIII. 



Of the feeding of the animals belonging to a farm ; and of the imme- 

 diate PRINCIPLES OF ANIMAL ORIGIN 375 



4 I. — Origin of animal principles 375 



Of the Ibod of animals and feeding 386 



Experiments on the maintenance of horses. ... 400 



Experiment 1 400 



Experiment II. — Introduction of Jerusalem potatoes into the ration 401 



Experiment III.— Ristion of hay and potatoes 401 



Experiment IV. — Substitution of oats and straw for a portion of the hay 402 



Experiment V^. — Potatoes substituted for a portion of the hay 403 



Experiment VI. — Jerusalem potato for a portion of the hay 403 



Experiment VII. — Introduction of field-beet or mangel-wurzel into the ration 403 

 Experiment VIII.— Introduction of the Swedish turnip into the ration and 



replacing a portion of the hay 404 



Experiment IX. — Introduction of carrots into the ration 405 



Experiment X. — Boiled rye as a substitute for oats 405 



Table of the nutritive equivalents of different kinds of forage 407 



^11. — Of the inorganic constituents of food 410 



§ III. — Of the fatty constituents of forage ; considerations on fattening 416 



CHAPTER IX. 



Of the economy of the animals attached to a farm. — OF STOCK IN GENERAL, 



AND ITS RELATIONS WITH THE PRODUCTION OF MANURE 428 



1 1 —Horned cattle 430 



Table of milch-kine three years of age and upwards 440 



