360 



INDEX. 



Sample-House, illustration of . . 5 

 Samples of soil, grain, &c. . . 6 

 Seasons — 



and produce of straw . . 97 



and soda in barley ... 88 



and weight of barley . . 87 



. character of good and bad . 83 



effect of, on barley . 71, 76, 81, 85 



ii on mangels . . 51 



ii on milk-production . 321 



H on wheat . . . 186 



Sheep — 



compared with cattle and pigs 



in feeding . . . .270 

 experiments with . 265, 305, 330 



Silica in — 

 barley 



rotation crops 

 Soda in — 

 barley 

 wheat 

 Soil- 

 analysis of 

 for barley . 

 for wheat . 

 Soxhlet on food and feeding 

 Staff employed at Rothamsted 

 Stock-feeding. See Feeding. 

 Straw — 



season and produce of 



ii and ash in 

 silica in . 

 strength of 

 Sugar-beet — 



carbohydrates in 



carbon in . 



composition of leaf and root 



effects of manure - residue and 



crop-residue . 

 experiments with 

 nitrogen supplied to, in manure 



and regained in crop 

 produce of, from direct manuring 



and residue action 

 produce of, from dung and other 

 manures 

 ii leaf 

 M sugar from 

 proportions of leaf and root 

 sugar-production in . 

 Sugar-production in — 



mangels .... 

 sugar-beet 

 various roots 

 Summary of subjects dealt with 

 Superphosphate — 



and sugar-production 

 for barley 

 for mangels 

 for spring crops 

 for sugar-beet . 

 for swedes 

 for wheat . 

 for white turnips 

 Swedes — 



accumulation in root of . .25 

 and white turnips compared 25, 27 

 composition of roots and leaves 



of 27, 30 



dry matter in rotation and con- 

 tinuous crops . . .218 

 experiments with . . 24, 28 

 in rotations .... 200 

 nitrogen in rotation and con- 

 tinuous crops 

 phosphoric acid in rotation and 



continuous crops . 

 potash in rotation and continu- 

 ous crops .... 

 produce of roots and leaves of . 

 ii with and without 

 manures ... 25, 28 

 production and economy of leaf in 27 

 proportion of roots and leaves in 26 



3,94 

 251 



183 



95 

 100 

 100, 187 

 299 

 5 



97 



97 



3,97 



97 



106 



106 



34 



39 

 31 



48 



38 



32 

 34 

 43 

 34 

 37 



58 

 37,43 

 66 



17 



44, 59 



74, 78, 100 



. 50 



. 80 



. 32 



29 



! 100, 173 



. 22 



225 



231 



239 

 25 



