INDEX. 



Appendix D, analysis of drainage, lysi- 

 meter, river, and marsh waters, 363 



■ — E, gi'owth of plants in solutions of 

 their food, 272 



— F, on the growth of beans in pow- 

 dered turf, 385 



— G, on Japanese husbandry, 386 



— H, on mineral matters supplied by 

 irrigation, 402 



— I, analysis of clover, 407 



Aquatic plants from Ohe and Iser, 



analysis of ash of, 370 

 Arable soil, absorptive power of, 67, 69, 



134 



abounds in nitrogen, 306, 311 



chemical decomposition produced 



by, 69 



— ■ — • formation of, 68 



food present in, in state of phy- 

 sical combination, 71 



food present in, in state of chemi- 

 cal combination, 72, 74 



mode of estimating nutritive mat- 

 ter in, by chemical analysis, 119 



Ash constituents, number necessary for 

 the gi-owth of plants, 2 



— ■ — necessary for the formation of 

 organic compounds, 24 



Asparagus, analysis of the ash of, 356 

 Average crop, meaning of, 252 

 of wheat, rye, and oats, 167 



— — diminution of, in Hessian Rhine, 

 253 



BADEN, Grand Duchy of, food of sol- 

 diers in, 272 

 Baker and Jarvis islands, guano, 278 

 !Barley, action of soda in the production 

 of seed in, 339 



— plant, mode of growth of, 154 

 Bavarian experiments with salts of am- 

 monia and guano, 301 



with sea salt, 336 



^th nitrates, 339 



with superphosphates, 147 



Beans, growth of, in powdered turf, 109, 



385 

 Beech leaves, analysis of, 353 

 Black soil, of Russia, its fertility, 221 

 Biennial plants, growth of, 17 

 Bineau, amount of nitric acid and ammo- 

 nia in rain water, estimated by, 289 

 Bogenhausen, experiments with sea salt, 

 337 



with salts of ammonia and with 



guano, 302 



— soil, amount of nitrogen in, 305 

 Bones acted on by steam, 277 

 Bone-earth, distribution of in the soil 



effected by organic matter, 77 



CLO 



Bone-earth and guano compared as to 

 rapidity and duration of action, 279 



Saxon experiments with, 279 



with salts of ammonia, effects of 



compared with guano, 258 



Bottger, formation of nitrite of ammonia 

 by, 327 



Boussingault, amount of ammonia in air, 

 290 



and nitric acid in rain 



water and dew, 290 



formed in com- 

 bustion of coal gas, 327 



— on the growth of plants without ni- 

 trogenous food, 43 



pENTAUREA, Cyanus, ash of, 235 



Cereals, meaning of average crop of, 

 252 



— average crops of in Bavaria, 211 

 — in Hessian Rhine, 253 



— conditions for their growth, 142 



— change produced in the arable soil 

 by the cultivation of, 226 



— cause of difference in corn and straw 

 in, 198 



— effect of removing leaves, &c. from, 

 before flowering, 28 



— nitrogenous compoimds in, not al- 

 ways the same, 257 



— influence of lime or magnesia on 

 the nitrogenous compounds in, 258 



— influence of temperature on the 

 growth of, 34 



— ratio between albuminous and non- 

 albuminous constituents in seeds of, 

 40 



— increase at first in roots, 34 



— produce of stalks and shoots in pro- 

 portion to the developement of roots, 

 34 



— produce of, with superphosphates, 

 147, 150 



compounds of ammonia, 



296, 302, 303, 304 

 common salt and nitrate 



of soda, 336 

 Charlemagne, records of, 243 

 Chemical analysis of soUs, limited value 



of, 221 

 Clover, analysis of, 405 



— ash, analysis of, 406 



— diseased, anatysis of, 407 

 ash, analysis of, 407 



— effect of gyjDsum on, 341 



— crops bear no proportion to the sul- 

 phm'ic acid in the experiments of Dr. 

 Pincus, 344 



