T20 



BOTANICAL GAZETTE 



[febrt \kv 



TABLE X 

 Effect of temperature on amount and distribution of phosphorus in barley leaves 



Culture no. and 

 treatment 



Fi SOLUBLE IX ANHYDROUS 

 ETHER 



F* SOLUBLE IX HOT ALCOHOL 

 \M> WATER 



Percent- Percent- Percent- Percent- 

 age age total age total ' age 

 fraction leaf Pin leaf fraction 



Fj INSOLUBLE IN ALCOHOL, 

 ETHER, AND WATER 



Percent- Percent- Percent- Percent- Percent- 

 age total age total ' age age total age total 

 leaf P in leaf fraction leaf P in leaf 



44. High X warm 0.7369 



24. High X warm ' 0.6847 



41. High P and X T warm 0.7857 



108. High N cool 0.7739 



87. High N cool 0.7247 



104. High P and X cool.. 0.7975 



0.0641 

 0.0539 

 0.0819 

 0.0638 

 0.0627 

 0.0612 



0-23 



7 03 



10.26 



11.65 



10.99 



9-37 



8211 

 3394 



5096 

 9602 



O . 2866 

 0.2770 



o . 4368 

 0.1622 



0.1417 



o. 2907 



41.28 



40.80 



54.69 



29.62 

 24.80 

 44- So 



0.5898 

 0.5960 



0.491S 



0.5239 

 0.5614 

 0.4S56 



o.3437 

 0.3478 

 0.2800 

 0.3218 

 0.3565 

 0.3012 



49-49 

 51.27 

 35.05 

 58.73 

 64.21 

 46.13 



TABLE XI 



Effect of temperature upon solubility of F 3 nitrogen of barley leaves in i per 



cent NaOH (material digested with i per cent XaOH for 



48 hours at 37-40 C.) 



Culture no. and tre\tmext 



Soluble nitrogen 



Percentage 



fraction 



Percentage 

 total leaf 



Percentage 



total N in 



leaf 



Insoluble nitrocex 



Percentage 



fraction 



Percentage 

 total leaf 



Percentage 



total N in 



leaf 



44. High N warm 



24. High X warm 



41. High P and X warm 



108. High X cool 



87. HighX cool 



104. High P and X cool. . 



0.910 

 0.8570 

 1 . 126 



0.873 

 1.052 

 0.923 



0.5303 

 0.4902 

 0.641 1 

 05361 

 0.6681 

 0.5726 



18 

 18 



81 



17 

 50 

 20.93 

 26.03 

 22.07 



2.649 

 2.380 

 2.927 

 2.478 

 2. 263 

 2.406 



■85 



•43 



.10 



■43 

 •75 

 ■53 



TABLE XII 



Effect of temperature upon solubility of F 3 phosphorus of barley leaves 



in 1 per cent XaOH (material digested with i per cent XaOH 



for 48 hours AT 37-40°C.) 



: Poor duplicates. 



t One analysis only, duplicate lost. 



