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. 18 — 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 



