WSP06234

• File Number: 8271.300
• Description: Colorado River Basin Salinity Control Program - General Information and Publications-Reports
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 2/1/1974
• Title: Salinity Management Options for the Colorado River
• Water Supply Pro - Doc Type: Report/Study

Tab Ie 16. Projected yields of Imperial Valley onions with 4 levels of
(~ surface irrigation Intensity and sprinkler Irrigation on 4 soil drainage
CJ classes.
~.... Onions, tons In 1,000's
00
00 Number Tota I d /sso I ved so II ds In
OJ Irrigations
~'!2qe c I ass per year 900 1000 1100 1200 1300 1400
Indio 16 13.7 13: 7 13.7 13.7 13.4 13.0
(coarse we II 22 13.7 13.7 13.7 13.7 13.4 13.0
dra i ned) 29 13.7 13.7 13.7 13.7 13.4 13.0
I ,000 acres 35 13.7 13.7 13.7 13.7 13.4 13.0
Spri nkler 13.7 13.7 13.7 13.7 13.7 13.7
Meloland 16 12.4 11.9 11.2 10.6 8.3 6.9
(sandy ~urface 22 13.7 13.0 12.3 11.9 II. 3 10.8
heavy subsoil) 29 13.7 13.4 12.8 12.3 11.7 11.3
1,000 acres 35 13.7 13.7 13.7 13.4 12.8 12.3
Sprinkler 13.7 13.7 13.7 13.7 13.7 13.4

Table 17. Projected yields of Imperial Valley sorghum with 4 levels of
surface irrigation Intensity and sprinkler irrigation on 4 soil drainage
classes.

Dralnaqe class

Indio
(coarse we II
dra I ned)
12,000 acres

Meloland
(sandy surface
heavy subsoil)
12,000 acres

Holtvlile-
Imperial
strat i fi ed
(sandy & clay
stratified)
19,000 acres

Imperial
complex
(clay)
7,000 acres

Sorghum In
Number of
Irrigations
per year 900

16
22
29
35
Sprinkler

16
22
29
35
Sprl nkler

16
22
29
35
Spri nkler

16
22
29
35
Sprinkler

1,000'5 tons
Total dissolved solids in
Irrigation water, ppm
1000 1100 1200 1300

1400

All values 27

All values 27

42.4 40.7 39.3 38.0 36.3 35.0
42.8 42.4 41.4 39.7 38.6 37.2
42.8 42.8 41.4 40.7 39.3 38.0
42.8 42.8 42.8 42.0 40.7 39.3
42.8 42.8 42.8 42.8 42.0 40.7
14.4 13.7 13.1 12.5 12.0 8.1
15.0 14.5 13.7 13.2 12.3 12. I
15.3 14.6 14.0 13.6 12.9 12.5
15.6 15.3 14.6 14.2 13.6 13. I
15.8 15.8 15.3 14.6 14.0 13.4
27 i
I
. ~I