B07".4A7C.-1Z, GAZETTE 



[JULY 



from which it follows that the surface force of the soil particles 

 at the given moisture content is also approximately 375 atmospheres. 



Relation or soil moisture to intake by seeds; data of 



TABLE V COMBINED 



Soil moisture in 



percentage of absolute 



weight 



Intake by seeds in 



percentage of air -dry 



weight 



-0-53 



O.OO 



+O.38 



0.97 



1-58 



I. 91 



1 .06 



3-73 



3-35 



3-68 



5-i8 



6.16 



6.25 



6.55 



6.47 



9-58 



10.76 



9.81 



10.82 



15-79 



11.94 



1581 



17.46 



21.36 



21. 11 



23.88 



20.62 



28.61 



32.60 



31-54 



34.00 



33-86 



37-7° 



41.98 



39-77 



43-25 



41-79 



45 15 



47.26 



49 31 



43-79 



46.54 



50.00 



51-44 



Osmotic pressure equal to surfac 

 force in atmospheres 



LiCl saturated = 965 atmospheres 



(697)' 

 (532) 



(418) 



NaCl saturated = 375 



4M.NaCI=i30 

 2M.NaCl = ?2 



M. NaCl = 38 



M.C 6 H I2 6 =22.4 



o.sM.NaCl = ig 

 o. 4 M. NaCl = 15. 2 



o.3M.NaCl=n,4 



o.2M.NaCl = 7.6 

 o iM.NaCl=3.8 



Saturated = 0.00 



* Values in parenthesis calculated from the curve of moisture-holding power of the s 

 by the known values. 



il as determined 



