ECONOMIC ASPECTS OF CITRUS-FRUIT GROWING IN FLORIDA 15 
the groves were banked during the three years. Hoeing is rather 
general—only 5 of the 148 groves were not hoed. Spraying was 
omitted on 65 of the 148 groves. All of the groves were fertilized 
one or more times. 
TaBLE 8.—Amount of labor per acre in the care of 148 young citrus groves in Polk 
County, Fla. Average 1919, 1920, and 1921 
Time required per acre for— 
Bank- 
Plowing, disk- ing, 
Age of trees varied ing, harrowing, me Spraying Fertilizing Total 
mowing ? 
prun- 
ing 
Man | Horse |} Man Man | Horse | Man | Horse | Man | Horse 
Acres | Hours | Hours | Hours | Hours | Hours | Hours | Hours | Hours | Hours 
9. 2 
Weyear: = oseeo a= sei 369 17.5 30. 2 : 1. 0.8 3.4 1. 31.5 32. 7 
QAYCATS = 22 one soe SS 254 21.1 31.7 9.1 1.5 1.2 3.4 Lye 35. 1 34. 6 
Oey CUES == 4 4aaet tees 243 24. 0 32. 0 12.0 2.0 1.7 3. 5 1.8 41.5 35. 5 
ANVears= a secse as foate 146 23.9 33.0 13.2 4.3 3.9 3. 6 1.8 45.0 38. 7 
OBY CATS -2 kes Soe eetenee 247 22. 1 33. 5 14.7 5.7 4.8 3.9 1.9 46. 4 40. 2 
TaBLE 9.—Cost per acre of labor and materials for the care of 148 young citrus 
groves, Polk County, Fla., average 1919-1921 
: it t Fertili 
Time employed abor cos cE Mizer see cat of otal 
ee Sra ye per 
Age of trees planted ing ma-| acre 
Man | Horse | Man | Horse | Total oes Cost | terial | cost 
Acres | Hours | Hours | Dollars | Dollars | Dollars | Pounds} Dollars | Dollars | Dollars 
HEV GAT Nes se na tas 369 31.5 32. 7 9. 45 6.54 | 15.99 247 6. 80 0. 18 22. 97 
2: VCArS= serene Teak 254 35. 1 34.6 | 10.56 6.90 | 17.46 273 7. 50 . 24 25. 20 
SPAY SN Sa ee er ee 243 41.5 35.5 | 12.48 7.08 | 19.56 450 | 12.37 33 32. 26 
ASV Cars asses ase 146 45.0 38.7 | 13.50 7.72 | 21.22 618 | 17.00 39 38. 61 
OsVearses= 26-25. tues 247 46. 4 40.2 | 13.89 8.04 | 21.93 921 | 25.32 45 47. 70 
TaBLE 10.—Frequency of operations in the care of 148 young citrus groves, Polk 
County, Fla., average 1919-1921 
Groves reporting 
Number of times each opera- : 
tion was performed Blows | Disko 0 Har 
SpE i Spray- | Mow- | Prun- | Ferti- 
ing ing |rowing! Hoeing ne : 
ing ing ing lizer 
SS eee 
Number Number| Number| Number| Number| Number| Number| Number; Number 
(1 epee SSPE la Sepak iy aa os a eee 6 126 8 103 5 65 104 101 0 
eo ts ee be ed as ce pace. 47 10 (1) 45 31 24 41 42 13 
PIS SE SCOT Ness dest Oe BIC gt 76 4 (2) 0 55 23 1 5 49 
RE eee ee a ee ee a ee 12 1 (3) 0 30 19 2 0 64 
Ae Or IOLO nen ee A Sete 7 | 7 (4) 0 27 17 0 0 22 
138 groves were harrowed 1 to 4 times. 3 21 groves were harrowed 11 to 15 times. 
2 69 groves were harrowed 5 to 10 times. 4 12 groves were harrowed 16 to 20 times. 
ORGANIZATION OF CITRUS-FRUIT FARMS 
Citrus-fruit growing in this district is a highly specialized industry. 
The receipts from citrus fruit on the average made up 96 per cent of 
the total farm receipts during the period of the survey. A majority 
of these grove farms have no other receipts than those from citrus 
