CONTENTS. 



Page. 



Introduction 7 



Methods of growing plants in seed 1 teds 8 



Varieties of tobacco ., 10 



Influence of distance in planting on the yield and thickness of The leaf 12 



Fertilizer experiments 14 



Irrigation of tobacco 19 



Influence of time < >f harvesting on the yield and thickness of the leaf 20 



Effect of priming t< tbacco plants 21 



Experiments in topping tobacco - 21 



Yield of tobacco 22 



Diseases of tobacco 24 



Experiments in curing tobacco 25 



Fermentation of tobacco 28 



Cost of producing tobacco 29 



Chemical composition of the t< »1 >acco plant 30 



Burning quality of tobacco 33 



Tobacco stalks and stems as fertilizers 34 



Nicotine in tobacco 35 



Arsenic in sprayed tobacco 36 



Insects affecting tobacco , 37 



Tobacco as an insecticide 38 



Tobacco soils 39 



Conclusions 41 



5 



