20 
N. C. AGRICULTURAL EXPERIMENT STATION 
were taken from each grade mentioned in the preceding table, 
packed in a tight box, and sent to the laboratory. The steins were 
then separated from the leaf, and the samples allowed to become 
thoroughly air-dry on a dry day. These samples (stems and leaves 
separately) were ground until they would pass a No. 36 sieve, and 
preserved in tight jars for analysis.- Partial analyses were made of 
all the samples representing the different grades, and more complete 
analyses of a few samples representing the same grade by both pro¬ 
cesses of curing. 
The following tables give the results of the analyses, which are 
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