26 



Soil from 

 Single field, b-sst cart 

 20 fields, 1<I8S care, &v«r&g« 

 13 fields, weedy fellow, » 



Goldsboro compact, sandy loam s 

 Single field, beet care 

 20 fields, Xees care, average 

 13 fields, weedy fallow, " 

 Wooded tract 



While there may be a question about the results being 

 strictly comparable, th* poverty of NOg is very striking, 

 and especially so if it remembered that these results are 

 in parts per four million (pp 4a.). The HPO4 shows a 

 dewided increase when weeds are growing in one case, and a 

 very slight decrease in the other instance. It would 

 seem clear that the NO3 is entirely toa low for proper 

 plant growth. 



The Cornell Station (247, 187) gives the total 

 »oiuble salts and !fO„ recovered where rye grew in eorn and 

 RO3 when millet was likewise grown. The following table 

 ahows the adapted results s 



