Water Requirements 



117 



WATER TRANSPIRED BY GROWING PLANTS FOR ONE PART OF DRY 



MATTER PRODUCED 



ESTIMATIONS MADE BY 



United States it would be more nearly accurate to assume 

 an average requirement according to King's results of 

 about 425 pounds of water for each pound of dry matter. 

 Modifying the data in accordance with this, the indications 

 are as follows : 



