PEACH AND NECTARINE TREES. 249 



it is deemed the roots run. This is particu- 

 larly necessary, because such a great dif- 

 ference in the temperature of that part of 

 the tree within the house and of the other 

 part outside of it, would operate very power- 

 fully upon the tree, so as to cause the fruit 

 to drop off. 



Fire heat being introduced at the end of 

 the second week, let it be regulated so as to 

 keep the wall about new milk warm, and to 

 raise the thermometer in the house to 45 

 degrees at night, and about the same fire 

 heat in the day time, but admit air so that 

 by sun heat it does not exceed 65 degrees. 

 At the beginning of the fourth week, let 

 the heat be raised to 52 at night and to 68 

 degrees by sun heat. 



When the bloom begins to open, let the 

 fire heat be raised to 55 at night and by sun 

 heat to 68 degrees as before. If the season 

 be far advanced and the heat of the sun be 

 now considerable, very little fire heat must 

 be kept during the day time, only just as 

 much as to allow you to perceive the wall 

 or flue is warm. Were this caution not ob- 

 served, a great deal of the bloom or young 

 fruit would be injured by the intense heat 

 caused by the sun operating upon the heated 

 wall or flue. The heat last directed must be 

 continued until the fruit is stoned. When 

 this has been effected, it must be increased 

 to 62 at night and to 75 degrees by sun heat, 



Kk 



