CONTENTS 



PAGE 



Introduction, ........... 1 



Investigations necessary, ......... 2 



Is the tobacco crop actually failing, ........ 3 



Weather factor in tobacco growing, ........ 4 



Soil relations, ........... 13 



A study of the reaction of normal and sick soils as indicated by the "lime 



requirement," .......... 15 



Humus or organic matter content of Massachusetts tobacco soils, . 19 



Cover crops, ............ 21 



Tobacco diseases, ........... 23 



In the seed bed, .......... 23 



In the field 23 



Thielavia root-rot investigations, ........ 28 



Fertilizer experiments in progress, . . . . . . . .31 



Miscellaneous observations, ......... 33 



Other root-rots, .......... 33 



Mammoth types of Cuban and Connecticut Havana tobacco, . . 33 



High pressure versus low pressure seed-bed sterilization, . . .34 



Vitality of tobacco seed, ......... 35 



Top-dressing tobacco seed beds with dry ground fish, . . . .37 



Summary, ............ 37 



