CONSTIKJENTS OF SOILS. 



81 



Sulphuric acid, idem 

 Chlorine (in common salt) 

 Humus soluble in alkalies 

 Humus ... 

 Nitrogenous matter 



0-081 | of Nebstein. It has never been manured or 

 % 066 allowed to lie fallow, and yet has produced 

 for the last 160 years the most beautiful 



0-920 

 0-456 



- 0-208 



100-000 



34 Surface-soil of a very fertile field in 

 the province of Dobrawitz and Laiitscliin. 

 100 parts of the earth consisted 01': 



Siliceous sand, with a little magnetic iron 



sand 43-780 



Finer part separated by the sieve 56-220 



100-000 



100 parts yielded to water 0-175 part of 

 salts, consisting of common salt, gypsum, 

 magnesia, and humic acid. 100 parts, by 

 weight, of the earth consisted of: 



Silica - n - - ,.V- 89-634 



Alumina - - - - - - 3'224 



Protoxide and peroxide of iron 

 Peroxide of manganese 

 Lime .... 



Magnesia .... 



Potash in combination with silica 

 Soda, idem .... 



Phosphoric acid, in combination with lim 



Sulphuric acid, idem 



Chlorine (in common salt) 



Humus soluble in alkalies 



Humus - . - '' 



Nitrogenous matter .... 0*448 



100-000 



35. Analysis of a soil formed by the dis- 

 integration of basalt. 100 parts of the earth 

 consisted of: 



Siliceous sand, with very much magnetic 



iron sand 8*428 



Earthy portion of the soil -'.'' J i'V 91 "572 



100-000 



The aqueous infusion of the earth con- 

 tained only traces of common salt and gyp- 

 sum, with humus, lime, and magnesia. 

 100 parts consisted of: 



Silica - .. " - ' A > 83-642 



Alumina 3'978 



Protoxide and peroxide of iron - - 5312 

 Peroxide of manganese - - - 0'960 

 Lime - - - - - - ^ - 1-976 



Magnesia --:-- 0*650 

 Potash, in combination with silica 0-080 

 Soda, idem - - - 0' 145 

 Phosphoric acid, in combination with lime 0*273 

 Sulphuric acid, idem - a trace 



Humus soluble in alkaline carbonates - 1*270 

 Chlorine - - - - a trace 



Humus - - - . - - 0'234 

 Nitrogenous matter .... 1*480 



100-000 



Manure consisting of gypsum, common 

 salt, or ashes of wood, would be highly con- 

 ducive to the fertility of this land. 



SOILS IN THE " MARKGRAFSCHAFT MAHREN." 



36. Surface-soil of a field very remarka- 



crops thus furnishing a remarkable exam- 

 ple of unimpaired fertility. 100*000 parts 

 of this soil consisted of: 



Course and fine siliceous sand, with a 



little magnetic iron sand - - 35'400 



Earthy matter ..... 64-600 



100-000 



100 parts of the earth yielded to water 0-010 

 sulphuric acid, 0*010 chlorine, 0*007 soda, 

 0*012 magnesia, 0-010 potash, with a little 

 silica, humus, and nitrogenous matter, but 

 no appreciable trace of nitrates. 100 parts 

 of the soil contained : 



Silica -, ' - 77-209 



Alumina - > ' .'**' 8*514 



Peroxide of iron ----- 6*592 



Peroxide of manganese ' *,->. *, 1 "520 



Lime 0"927 



Magnesia -..--. 1*160 

 Potash, principally in combination with 



silica 0-140 



Soda, idem 0'640 



Phosphoric acid, combined with lime and 



Sulphuric acid, combined with lime - O'Ol 1 



Chlorine (in common salt) ... O'OIO 



Humus soluble in alkalies - - - 0'978 



Humus 0540 



Nitrogenous matter . ... T108 



100-000 



It is apparent from the above analysis 

 that, notwithstanding the long period during 

 which this land has been cultivated without 

 manure, it still remains very rich in matters 

 adapted for the nutrition of plants. 



SOILS IN HUNGARY. 



37. Analysis of a very fertile soil from 

 Esakang. 100 parts of the earth con- 

 tained : 



Very *re siliceous sand 

 matter - . 



2-820 



V - 97-180 



100-000 



The aqueous dpcoction of the soil contained 

 principally gypsum, common salt, silica, 

 magnesia, and humus. 100 parts of tlie soil 

 yielded : 



Silica - - >',..- - 76-038 



Alumina ------ 4 '654 



Peroxide and protoxide of iron - - 6'112 



Peroxide of manganese - 



Carbonate of lime - - 3'771 



Carbonate of magnesia t - 

 Potash combined with silica 

 Soda combined with silica 

 Phosphoric acid, combined with lime 

 Sulphuric acid - - - - 

 Chlorine in common salt 

 Humus soluble in alkalies 

 Humus - 

 Nitrogenous organic matter - 



4-066 

 0-030 

 1-373 

 0546 

 0-021 

 0015 

 1-160 

 1-100 

 0-208 



100-000 



ble for its fertility. The field is called Subsoil of the same field at a depth o " two 

 Haargraben, and is situated near the village ' f -~* 1AA - ; ~* ~ f 



II 



feet. 100 parts consist of: 



