248 WATERING IN THE 



brought forward very early ; in that case, the 

 heat may be kept up to the height of the pine 

 stove ; but where vines are allowed in the peach 

 house, the same heat must content for them, 

 which is allowed for the peach trees. 



The fires should be continued as above di- 

 rected, till April or May, or longer, to be 

 guided generally by the ripening of the fruit ; 

 and, as the weather proves more or less favour- 

 able ; and thus, as the season advances, and 

 the power of the sun increases, lessen by 

 degrees the heat produced by the pipes or 

 flues. 



ADMITTING AIR, WITH INSTRUCTIONS FOR 

 WATERING IN THE DIFFERENT FORCING 

 HOUSES. 



Par. 39. As the admission of air, and a 

 proper mode of watering is of considerable 

 importance in all kind of forcing, I will make 

 a few observations thereon, being satisfied that 

 many failures take place through neglect, or a 

 want of knowledge on the subject. 



From the commencement of the forcing, I 



