158 THE FARMER OF TO-MORROW 



let us quote again from Bulletin 55, Bureau of 

 Soils: 



"The peculiar adaptation of soils to special 

 crops has long been recognized. Nowhere is 

 this more strikingly shown than in greenhouse 

 culture, which, where manures and fertilizers 

 are so intelligently used, is the last place one 

 would expect to find it. 



"The hot-house lettuce of Boston has long 

 been esteemed the finest product of the kind 

 received in the New York markets. The soil 

 used in the hot houses is peculiar to the lo- 

 cality. The soil used in the greenhouses of 

 Washington and Alexandria will not produce 

 this fine quality of lettuce, but can and does 

 produce fine violets of rich aroma, and these 

 have the highest reputation in the New York 

 and Philadelphia markets. In general, the 

 roses grown in the greenhouses around New 

 York have the highest rank and are so held 

 in the Boston market, but certain varieties like 

 the American Beauty cannot be produced 

 there in the perfection that is attained in the 

 greenhouses of Philadelphia and Washington. 

 So it goes with any greenhouse crop and with 

 each variety of the crop, the soils of certain 

 localities have certain advantages, small often- 

 times, but with so highly specialized an in- 

 dustry, where quality is so important, enough 



