INDEX. 



359 



Nitrogen — continued. 



in soils, and yield of wheat . 189 

 in the root of sugar-beet . . 43 

 in wheat soil . . . .170 

 loss of, in drainage after wheat 169, 

 172, 178 

 . 73 



h in soil after barley 



m in stock feeding . 



missing-link regarding sources 



of, for crops .... 



new doctrine regarding sources 



of, for crops .... 



rapidly and slowly available . 



removed in clover and lost in 



soil 



soil enriched in, by clover 104, 125, 



129 

 soil-source of, for clover . 

 supplied in manure and to 

 sugar-beet regained in crop . 

 supplied to and recovered in 

 mangels .... 

 the main sources of . 

 the power of roots to draw, 



from the subsoil . 



the soil the source of, for roots 



and cereals .... 



what becomes of surplus . 



yield of, from barley and clover 



after beans 



ii in different crops, 101, 125, 



128, 169 



Nitrogenous and non-nitrogenous 



substances in foods — 



as substitutes for each other . 274 



digestibility of . ... 259, 306 



relative feeding-value of, 274, 351, 



354 

 relative influence of, in increas- 

 ing weight .... 

 Nitrogenous manures — 



and sugar-production in mangels 

 effects of, in increasing produce 



of various crops 

 effects of, on leguminous crops 



„ on wheat . . 172, 176 

 for barley . . 78, 99, 100 



for crops poor in nitrogen 46, 109 

 for mangels .... 50 



333 

 137 



137 



80 



122 



123 



48 



56 

 136 



135 



52 

 177 



125 



283 



59 



106 

 111 



1 



for sugar-beet . 



for swedes 



for wheat. 



for white turnips 



influence on non-nitrogenous 



constituents of crops 

 Vines' views on the influence of 

 Nitrogenous substances and milk 



production . 

 Norfolk white turnips, experiments 

 with ... 



. 32 



25, 29 



99, 100 



22 



172 

 109 



319 



20 



Phosphoric acid — 



accumulation of, in soil . . 95 

 and quality of grain ... 88 

 in barley as influenced by man- 

 ure and season . . 86, 88 

 in root and leaf of sugar-beet 38, 43 

 in rotation and continuous crops 231 

 in wheat 183 



Pigs, compared with cattle and sheep 



in fattening 270 



experiments with . 269, 288, 339 



Potash — 



accumulation of, in soil . . 95 

 and quality of barley . . 88 

 and sugar-production in mangels 59 

 ii in beet 37, 44 



for barley ... 74, 78 



for mangels .... 50 

 for sugar-beet .... 33 

 for swedes .... 28 



for wheat 173 



in barley as influenced by season 



and manure ... 86, 89 

 in rotation and continuous crops 237 

 in sugar-beet .... 42 



in wheat 183 



residue of, in wheat soil . . 184 



Potatoes — 



carbohydrates in 

 carbon in . 



Prefatory Note by the Editor 



Produce of — 

 barley 

 crops grown in rotation and 



continuously . 

 crops in different countries 

 leguminous crops 

 sugar-beet 



sugar from sugar-beet 

 swedes 

 wheat 

 white turnips . 



106 



106 



1 



69 



218 



197 



101 



33,39 



43 



25 



166 



20 



Rape-cake — 



accumulation from . 

 and nitrate of soda . 

 and sugar-production in man 



259 

 347, 350 



experi 



for barley . . 

 Rations — 



equivalent 



for horses . 

 Reports on Rothamsted 



ments ..... 

 Reverting turnips . 

 Root-crops — 



abnormal root-development in 



advantage of, in a rotation 



albuminoid ratio in . 



and nitrogen 



conditions of growth of . 



culture of . 



dry matter in . 



experiments with 



general conclusions from experi 

 ments with . 



importance of . 



pre - eminently dependent on 

 manure . 



reverting 



sugar in . 



yield of nitrogen in . 

 Root-nodules — 



and microbe-infection 

 and seed 



and sources of nitrogen 139, 144, 148, 



161 



28 

 57 



59 

 79 



13 

 20 



19 

 21,58 

 66 

 19 

 19 

 20 

 66 

 19 



67 

 19 



58 



20 



66 



101 



of soil 

 139, 144, 150 



