INDEX. 
Absorption and displacement, law 
Absorpelys power of soils... ..... 
ae “ cause of 843, 354 
os $8 * significance 
OF: 6 cayes a «874 
AGGGIN GO, pisaceencian wlanracs 223 
“© absorbed by soils............ 355 
MAREN OR wasacs nm dias seam iecemaoe 165 
Adhesiveness of soils.............. 184 
Air, atmospheric, composition of.. 21 
“« within the plant, composition 
ONS cess oiBlayaiers cine uy eeveiayasnrensid 45 
Alkali-salts, solvent effect of.......130 
Allotropism. -.....61¢0246+- -.. 66 
Allnvium ........ 
Ammonia... .. wax woe 40). 54 
ae absorbed by clay....243, 267 
oe s * peat........360 
ae ee “ plants... ..56, 98 
te condensed in soils ...... 240 
ce eonversion of into nitric 
ROTC oc sscjs:ig's njavsssic erereie 85 
cy evolved from flesh decay- 
ing under charcoal.....169 
= fixed by gypsum... 
‘ in atmosphere........... 
ee * how formed.?7, 85 
a of rain, etc........ ..... 60 
ss of the soil, formation of.239 
a se ny chemically 
combined.243 
Ts . oe physically 
condensed.240 
be ss “quantity of. .248 
ae ck * solubility of .246 
ee ee ++ volatility of. .244 
Ammonia-salts and nitrates, nutri- 
fie VAlde Of i505 cosciss tonaaavs 300 
Amphibole.............2-.0.0000 os 112 
Analysis of soils, chemical indica- 
tions of................ 368 
** mechanical ... 147 
Apatite........ sleicie lesa cfemmraweenacsies 116 
APOCP end tate cc5. sxside wesaeban done 231 
Apocrenic acid. . 227, 220: 
APRN. cas scenes sanckeracax cus 119 
oe physical constitution... 99 
Atmospheric food, absorbed....... 99 
‘* assimilated .... 97 
Barley crop, ash ingredients of..... "864 
BRAM oi awn evades <k Sixe ncn 120 
Bases, absorbed by soils...... 
Bisulphide of iron................. 
Bitlis OF Clay. .ecocas coeressnns 
COCILG sa sise esas icismnainecdieisaye eo 
Capillarity, ....- ........ 
Carbohydrates in soil... 
Carbon, fixed by plants.. 
ee im decay...........00eeeee 291 
“supply of......... ae eeuataaers 95 
Carbonate of lime......... 
st ‘* magnesia... 
Carbonic aides cause ivccwae canes z 
se “ absorbed by soil...... 221 
“ wo “ 6 plants.41, 
45, 98 
sy * exhaled by plants..43, 99 
a “ in the soil. .......... 218 
Be “water of soil. .220 
ee ** quantity in the air.40, 
47, 94 
* “™ solubility in water.40,180 
