CONTENTS. II 



Page 



Jerasalem potato or artichoke 3.52 



Dried stems of Jerusalem artichokes 352 



Table of the proportions of water contained in different substances 353 



Composition (»f the same substances dried in vacuo at 230° F 353 



Relation of manures to crops 354 



Desiccation of half-made or half-decayed manure 354 



Experiment I 354 



Experiment II 354 



Experiment HI 354 



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 



J ^l -Of the residues of different crops 360 



Potato tops or hauni 361 



Leaves of field-beet or mangel-wurzel 361 



Composition of dry leaves 361 



Wheat stubble 362 



Clover roots 362 



Composition of the roots 362 



Oat stubble 362 



Summary of the foregoing results 363 



§ 111. — Of the inoi^anic substances of manures and crops 364 



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. 



Or THE VeKDINO of the animals BELONOING to ▲ FARM ; AND OP THE IMME- 

 DIATE PRINCIPLES OF ANIMAL ORIGIN 375 



41. — Origin of animal principles ., 375 



Of the food of animals and feeding 38(? 



Experiments on the maintenance of horses 400 



Experiment 1 400 



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



Experiment III. — Ration of hay and potatoes 401 



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



Experj,ment 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 difierent kinds of forage 407 



^ n.— Of the inorganic constituents of food 410 



^ m. — Of the fatty constituents of forage ; considerations on fattening 416 



CHAPTER IX. 



Or the economy of the animals attached to a FARM. — OF STOCK IN GENERAL, 



AND ITS RELATIONS WITH THE PRODUCTION OF MANURE 428 



$ I —Homed cattle 430 



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



