iQiqI 



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accompanied by low carbohydrate. ''Whatever the conditions 

 under which a plant has been grown, considering the whole plant 



Fig. II. — Reciprocal fluctuation of carbohydrate and nitrogen in leaves (of. figs. 5 

 and 8); notice that carbohydrate reciprocates with insoluble protein and not with 

 total nitrogen. 



as a unit, increased total nitrogen and more particularly increased 

 nitrate nitrogen are associated with increased moisture and 



