62 TOMATO CULTURE 



plants should be well established in 24 hours and 

 after this the more light and air that can be given, 

 without the temperature falling below 40 F. or sub- 

 jecting the plants to cold, dry wind, the better. 



One can hardly overstate the importance to the 

 healthy growth of the young tomato plant of abundant 

 sunshine, a uniform day temperature of from 60 to 

 80 F., or of the ill effects of a variable temperature, 



FIG. l8 SPOTTING-BOARD FOR USE ON FLAT 

 (From W. G. Johnson) 



particularly if it be the result of cold, dry winds, or 

 of a wet, soggy soil, the effect of over-watering. 

 These points should be kept in mind in caring for the 

 plants, and every effort made to secure, as far as pos- 

 sible, the first named conditions and to avoid the lat- 

 ter. The frames, whether they be covered with sash 

 or cloth, but more particularly if with sash in sun- 

 shine and with curtains in dull days, should be opened 

 so as to prevent their becoming too hot, and so as to 

 admit air. And in a greenhouse full ventilation should 



