RESULTS OF MEASUREMENTS. 



25 



O 

 0/STAMCZ 



VEST & AST 



I 2 2.3 0.6 



W/VD8ffEAK Xf>XS3 tH T&TMS 



SOUTH S NORTH 



DIAGRAM 4. Amount of sunlight cut off by ash and maple belts. Expressed in percentages of total 



sunlight on September 1 . 



DIAGRAM 5. Amount of sunlight cut off by osage orange hedges. Expressed in percentages of total 



sunlight on September 18. 



