210 



On the Physical Properties of Soil. 



SYNOPTICAL VIEW of the most important Physical Properties of 



Surface of Cultivated Ground 





"Specimens: 

 00. 



Weight of 



Power 

 of 



containing 

 Water. 



Firmness and 

 Consistency of the 

 Soil. 









a Cubic Inch 









In the 

 Wet State. 







^.S 



Qi Ol 



<r> 



and Foot. 



100 parts 

 retain of 



0 

 0 





KINDS OF EARTH. 



^ cS 







rt d 











Gravity ol 

 that ofW 



In the 



Water, 



according 

 to 



ry State : 

 eing = 10 



Adhesion to 

 a Surface 

 of one 

 square Foot, 







o 

 "3 



0) 



a. 





Wet 

 State. 

















Dry 

 State. 



$ 



a 

 > 



- 



Iron. 



Wood 





^illr>pnn«<? ,nri i Occuriing in almost ) 

 Siliceous band . | every arable soil . J 



2653 



495 gr. 

 111.3 lbs. 



605 gr. 

 136.1 lbs. 



Per 

 cent. 



25 



Per 

 cent. 



37.9 



0 



lbs. 

 3.8 



lbs, 

 4.3 





J Frequently occurring! 

 Calcareous Sanely along with Siliceous > 



2722 



505 gr. 

 113.6 lbs. 



628 gr. 

 141.3 ^bs. 



29 



44.1 



0 



4.1 



4.4 





( A combination of 451 

 Sandy Clay . , < per cent, of line sand, > 

 [with 55 per cent, of clay J 



2601 



435 gr. 

 97.8 lbs. 



577 gr. 

 129.7 lbs. 



40 



51.4 



57.3 



7.9 



8.9 





f A combination of 241 

 Loamy Clay . . -| per cent, of fine sand, > 

 [with 76 per cent, of clay j 



2581 



393 gr. 

 88.5 lbs. 



551 gr. 

 124.1 lbs. 



50 



57.3 



68.8 



10.6 



11.4 





di-cc r<i f A combination of 10 ] 

 Stiff Clay, or I ' „ ' v ( 



Brick-earth 1 "T*' ^"T TT^' i 

 \ with yo per cent, of clay ) 



2560 



357 gr. 

 80.3 lbs. 



531 gr. 

 119.6 lbs. 



61 



62.9 



83.3 



17.2 



18.9 





••in ( 58 per cent, of silica. 36.21 

 Clay, in its fine j ^ ^, . ' • .^i 



ime state 1 alumina with 5.8 per \ 

 ^ {cent, of protoxide of iionj 



2533 



334 gr. 

 75,2 lbs. 



515 gr. 

 115.8 lbs. 



70 



66.2 



100.0 



27 



29.2 





Lime, in its fine state of Carbonate . . , 



2468 



244 gr. 

 53.7 lbs. 



460 gr. 

 103.5 lbs. 



85 



66.1 



5,0 



14.3 



15.6 





Magnesia, in its fine state of Carbonate . 



2194 



75 gr. 

 15.8 lbs. 



339 gr. 

 76.3 lbs. 



256 



76.1 



11.5 



5.8 



7.1 





Gypsum -Powder, in its fine unburnt state 



2331 



408 gr. 

 91.9 lbs. 



573 gr. 

 127.6 lbs, 



27 



38.2 



7.3 



10.7 



11.8 





Slaty-Marl (such as mentioned at p. 178) 



2631 



498 gr. 

 112 lbs. 



624 gr. 

 140.3 lbs 



34 



49.9 



23.0 



4,9 



5.5 





H.irr^.o i or Humic Acid, an essential ) 

 Humus . 1 ingredient of fertile soil. ./ 



1370 



154 gr, 

 34.8 lbs. 



346 gr. 

 81.7 lbs. 



181 



69.8 



8.7 



8.8 



9.4 





Fertile Garden-Mould (such as men-") 



2332 



364 gr. 

 68.7 lbs. 



457 gr. 

 102.7 lbs. 



89 



67.3 



7.6 



6.4 



7.5 





Common Arable Soil (such as mentioned ) 

 at p. 178) i 



2401 



376 gr. 

 84.5 lbs. 



529 gr. 

 119.1 lbs. 



52 



57.3 



33.0 



5.8 



6.4 





