CHAPTER XIII 

 LETTUCE 



Lettuce requires the very deepest of muck 

 for its most rapid development. If muck is 

 less than 3 feet deep, it is questionable 

 whether good lettuce can be obtained. Muck 

 3 feet and deeper seems to be about right. 

 At Albion, N. Y., where there is over 100 

 acres planted to the crop each year, the 

 muck averages about 6 feet or deeper. The 

 reason for this depth of muck is that the let- 

 tuce requires coolness about its roots. The 

 muck is preferably derived from the best 

 deciduous trees and not from evergreens or 

 tamaracks. 



Varieties. There is practically but one 

 variety of lettuce to grow on muck: That is 

 Big Boston. This is the sort that is grown 

 everywhere. However, there is a great vari- 

 ation in source of the seed. From tests car- 

 ried on in different sections of the country 

 and from inquiry among the men growing 



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