iqiq] 



WOO—AMARANTHUS 



327 



per official method by the use of salicylic acid and sodium thio- 

 sulphate, reduced only 60 per cent of the nitrate into ammonia.) 



Fig. 6. — Different carbohydrates in roots 



It is incorrect to call all this nitrogen as derived from protein, 

 because part of the soluble nitrogen was from the, breaking down 



