SUGARCANE VARIETY P.O.J. 2878 IN PUERTO RICO 
13 
Table 9. — Results of sugarcane variety tests on soils with inadequate artificial or 
surface drainage at Centrals Cambalache, Constancia, and Carmen, 1932 
Variety, culture, size of field, and character of soil 
Acre 
yield 
Normal juice 
analyses 
Sugar 
in cane 
Avail- 
able 96° 
of cane 
Sucrose 
Purity 
sugar 
per acre 
Tons 
51.34 
Percent 
Percent 
Percent 
7.88 
Tons 
4.09 
53.74 
9.06 
8.20 
4.87 
59.31 
4.86 
60.10 
9.18 
9.11 
5.52 
75.00 
12.52 
79.30 
6.83 
64.00 
13.08 
80.20 
9.57 
6.12 
60.00 
13.33 
83.90 
10.25 
6.15 
54.29 
8.50 
4.62 
53.38 
8.20 
4.38 
51.16 
6.85 
3.50 
54.00 
11.96 
76.00 
8.75 
4.73 
61.00 
11.87 
78.30 
8.93 
5.45 
55.00 
11.04 
75.70 
7.98 
4.39 
48.00 
12.34 
79.30 
9.42 
4.56 
P.O.J. 287S (' gran cultura cut in December): 
Fie*ld no. 2\) (11.75 acres), Constancia, 2 irrigated lowland 
silt loam 
B.H. 10 (12) (' gran cultura cut in December to January): 
Field no. 33 (30 acres), Constancia, irrigated lowland silt 
loam __' 
P.O.J. 2878 gran cultura cut in January): 
Fields no. 34 (31.5 acres), Constancia, irrigated lowland silt 
loam 
B.H. 10 (12) (' gran cultura cut in December to January): 
Fields nos. 30, 31 (38.25 acres), Constancia, irrigated lowland 
sill loam 
P.O.J. 2878 (17-month gran cultura cut in December): 
Field no. 11 (16.25 acres), Claras, 3 twice irrigated poorly 
drained lowland daga 4 compact clay 
P.O.J. 2878 (17-month gran cultura cut in January): 
Field no. 12 (16 acres), Claras, twice irrigated poorly 
drained lowland daga 4 compact clay 
B.H. 10 (12) (19-month gran cultura cut in January): 
Field no. 5 (7.5 acres), Claras, twice irrigated poorly 
drained lowland daga 4 compact clay 
P.O.J. 2878 (' gran cultura cut in January): 
Field no. 21 (8.5 acres), Campanulas, 5 unirrigated poorly 
drained lowland silty clay 
S.C. 12/4 (' gran cultura cut in December to January): 
Field no. 38 (28 acres), Campanulas, unirrigated poorly 
drained lowland silt clay 
P.O.J. 2878 gran cultura cut in January): 
Field no. 23 (9.25 acres), Campanulas, unirrigated poorly 
drained lowland silty clay 
P.O.J. 2878 (16-month gran cultura cut in December): 
Field no. 205 (22.8 acres), Monserrate, Vega Baja, 6 irrigated 
lowland silty clay loam 
B.H. 10 (12) (16-month gran cultura cut in January): 
Field no. 206 (22.1 acres), Monserrate, Vega Baja, irrigated 
lowland silty clay loam 
P.O.J. 2878 (16-month gran cultura cut in January): 
Field no. 5 (15.2 acres), Monserrate, Dorado, 6 unirrigated 
poorly drained lowland silt loam 
B.H. 10 (12) (16-month gran cultura cut in January): 
Field no. 19 (17.5 acres), Monserrate, Dorado, unirrigated 
poorly-drained lowland silt loam 
1 Where age of cane is not given data were not available. 
2 Constancia belongs to Central Constancia. 
3 Claras belongs to Central Cambalache. 
4 Soils so designated by Emilio Rola, Central Cambalache. 
4 Campanulas belongs to Central Constancia. 
6 Monserrate, Vega Baja, and Monserrate, Dorado belong to Central Carmen. 
First ratoons along the north coast — Data on first ratoons of P.O.J. 2878 
on lowlands at Centrals Carmen and Constancia are given in table 10. 
Table 10. — Results of first ratoons sugarcane variety tests on lowlands at Centrals 
Constancia and Carmen, 1932 l 
Variety, culture, size of field, and character of soil 
Acre 
yield 
of cane 
Normal juice 
analyses 
Sugar 
in cane 
Avail- 
able 96° 
Sucrose 
Purity 
sugar 
per acre 
P.O.J. 2878 (first ratoons 2 cut in January): 
Field no. 18 (16 acres), Constancia, 3 irrigated poorly 
drained silt loam 4 _ _ . 
Tons 
35.94 
41.23 
32.15 
Percent 
Percent 
Percent 
8.54 
9.16 
10.10 
Tons 
3.07 
3.78 
3.25 
B.H. 10 (12) (first ratoons 2 cut in December to January): 
Field no. 27 (5 acres), Constancia, irrigated poorly drained 
silt loam,. -., 
P.O.J. 2878 (first ratoons 2 cut in January): 
Field no. 12 (14.25 acres), Campanulas, 5 irrigated poorly 
drained clay loam 
« The field data from Central Constancia were supplied by Manuel del Valle, mill manager, and the 
data from Central Carmen by Aristides Gonzalez, field superintendent. 
2 Where age of cane is not given no data were available. 
3 Constancia belongs to Central Constancia. 
4 Poorly or fairly well-drained refers to adequacy of ditching for surface and artificial drainage. 
5 Campanula belongs to Central Constancia. 
