. Effectiveness of orchard heaters . Row No. 50% N 21 rows to edge 21 %Q D 0*0 0>*D o-o o*a 0*0 0>0 D»0 o»a y»0 0*0 0*0 0*O o kDOOOOOOOOOODOOQOOOQOODODODO 19 *0 O-O O'O O'O 0«D 0*0 O'D OO OO 0»O OO OO OO D-D '[)[)0^oyoooooooooooooooooyoo 17 "O O 0*° 0*3 O»0 0*0 O'O o»0 0«0 0 '0»O 3>Q O O !>£> O «0 0D ODOcJODC'OS O O o O (J 0 O D O O O O O O O 15 «0 o»D 0»£> OO OO OO 9»0 OO 0»0 0»O OO 0»O OO D«0 33 rows to edge * First lighting—every 4th row and borders—390 heaters 14 rows to edge Second lighting—all but 4 of rest of odd rows—540 heaters total Third lighting—rows 3, 9, 23
. Effectiveness of orchard heaters . Row No. 50% N 21 rows to edge 21 %Q D 0*0 0>*D o-o o*a 0*0 0>0 D»0 o»a y»0 0*0 0*0 0*O o kDOOOOOOOOOODOOQOOOQOODODODO 19 *0 O-O O'O O'O 0«D 0*0 O'D OO OO 0»O OO OO OO D-D '[)[)0^oyoooooooooooooooooyoo 17 "O O 0*° 0*3 O»0 0*0 O'O o»0 0«0 0 '0»O 3>Q O O !>£> O «0 0D ODOcJODC'OS O O o O (J 0 O D O O O O O O O 15 «0 o»D 0»£> OO OO OO 9»0 OO 0»0 0»O OO 0»O OO D«0 33 rows to edge * First lighting—every 4th row and borders—390 heaters 14 rows to edge Second lighting—all but 4 of rest of odd rows—540 heaters total Third lighting—rows 3, 9, 23, and 35—660 heaters total ° F average inversion, 5 to 60 feet elevation edge Heating effects in row 20 (1 in row 19) Center of orchard
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Keywords: ., bookcentury1900, bookcollectionamericana, bookl, booksubjectfruit
