456 University of California Publicaiion.s in Agricultural Sciences [Vol. 1 



Sa^^P'e „. Yellow barley plants 



6343 Eoots, crinkly and angular, much branched near surface. 



Dry -weight, 3.2429 gms ; Cu, .00085 gm ; p.p.m 262 



6344 Soil shaken from yellow barley roots 



Copper 07979% 



Total soluble solids (alkali) 46400 



CI as NaCl 004 



Sodium carbonate 008 



Nitrogen 137 



b. Green barley plants from near (a). 



6345 Eoots, smooth and straight, not much branched near sur- 



face. Dry weight, 1.6025 gm; Cu, .0002 gm; p.p.m 125 



6346 Soil shaken from green barley roots 



Copper 05844% 



Total soluble solids (alkali) 45600 



CI as NaCl 004 



Sodium carbonate none 



Nitrogen 181 



Lot 2. — ^Young barley plants from the upper end of a field in West 

 Layton under Montezuma Canal. Soil near ditch known to contain tail- 

 ings and showing spots of yellow barley at head of field. 



S-'i^P'e a. Yellow barley plants 



6347 Eoots, crinkly and angular, much branched. 



Dry Aveight, 3.2977 gms; Cu, .0014 gm ; p.p.m 425 



6348 Soil shaken from roots of yellow barley plants 



Copper 1113% 



Total soluble solids (alkali) 50 



a as NaCl 008 



Sodium carbonate 008 



Nitrogen 165 



\>. Green barley plants from near (a) 



6349 Eoots, smooth, straight, not much branched. 



Dry weight, 2.2473 gms; Cu, .0003 gm; p.p.m 133 



6.350 Soil shaken from roots of green barley plants 



Copper 02678% 



Total soluble solids (alkali) 40 



CI as NaCl 008 



Sodium carbonate 004 



Nitrogen 127 



