304 



AGRICULTURE. 



insect. The soap also tends to clog the breath- 

 ing pores. 



(2) Tobacco in various forms is a useful in- 

 secticide. Its use is especially recommended 



for house plants, 

 greenhouses, gardens, 

 and orchards. As a 

 spray, it is prepared 

 by steeping the stems 

 of refuse tobacco, and 

 using the tea in a di- 

 luted form. Nikoteen 

 as commercially pre- 

 pared is excellent for 

 house plants and 

 roses if applied in a 

 dilute form. 



Tobacco dust or 

 stems is an excellent 

 preventive or remedy 



when scattered about the floor under benches 

 in greenhouses. It is doubly useful when 

 scattered about on the surface of the soil around 

 plants, since it is rich in potash, and acts as a 

 fertilizer as well as an insecticide. 



Tobacco Smudge. This is an especially good 

 remedy in the greenhouse, or in places where 

 the smoke can be confined. The smudge is 

 made by slowly burning moistened tobacco, 

 taking care that it does not burst into flame. 



FIG. 102. A BUCKET SPRAY. 



