Table 38. Selected Crops Irrigated and Harvested in the Open by Primary Method of Water Distribution - 
United States: 2013 (continued) 
[Excludes area under protection and institutional, research, and experimental farms. For meaning of abbreviations and symbols see introductory text] 
Gravity irrigation distribution systems ' - con. 
Controlled flooding within 
field borders from lined 
open ditches 
Controlled flooding within field 
borders from poly pipe, lay-flat 
tubing, or above ground pipe 
Controlled flooding 
within field borders 
from below ground pipe 
Uncontrolled flooding of rangeland, 
pastureland, etc. including open 
discharge from well or pump 
Other 
gravity systems 
Crop 
Percent 
of 
farms 
Percent 
of 
acres ^ 
Percent 
of 
farms 
Percent 
of 
acres ^ 
Percent 
of 
farms 
Percent 
of 
acres ^ 
Percent 
of 
farms 
Percent 
of 
acres ^ 
Percent 
of 
farms 
Percent 
of 
acres ^ 
Corn for grain or seed 
0.1 
0.1 
0.4 
0.3 
0.1 
(Z) 
(Z) 
0.1 
0.2 
Corn for silage or greenchop 
1.9 
0.8 
0.1 
8.1 
5.9 
(Z) 
(D) 
0.1 
(D) 
Sorghum for grain or seed 
4.5 
0.6 
0.4 
0.3 
0.2 
(Z) 
- 
- 
0.2 
0.2 
Wheat for grain or seed 
2.2 
1.8 
0.6 
0.1 
1.2 
1.1 
1.0 
0.2 
0.2 
0.7 
Soybeans for beans 
0.1 
0.3 
1.4 
4.0 
0.7 
1.5 
(Z) 
0.1 
0.1 
(Z) 
Beans, dry edible 
0.2 
0.4 
- 
- 
0.2 
0.3 
- 
0.4 
(Z) 
Rice 
4.3 
5.2 
12.2 
13.2 
28.7 
31.1 
2.3 
2.9 
2.0 
1.4 
Other small grains 
(barley, oats, rye, etc.) 
5.3 
3.3 
0.4 
0.2 
0.7 
1.5 
1.7 
0.7 
0.6 
0.4 
Alfalfa and alfalfa mixtures 
(dry hay, greenchop, 
and silage) 
3.1 
4.6 
1.6 
1.2 
1.8 
2.6 
3.1 
1.6 
1.7 
1.4 
All other hay (dry hay, 
greenchop, and silage) 
1.9 
2.6 
2.4 
1.6 
4.8 
3.6 
6.5 
11.6 
0.7 
1.3 
Peanuts 
- 
- 
0.4 
(D) 
- 
- 
- 
- 
0.4 
(Z) 
Cotton, all 
0.5 
0.8 
0.5 
(D) 
0.4 
0.2 
- 
- 
(Z) 
(D) 
Land in vegetables 
0.1 
0.7 
0.3 
0.2 
0.2 
0.2 
- 
- 
1.1 
0.8 
Selected vegetables: 
Sweet corn 
0.8 
1.6 
2.6 
(D) 
Tomatoes in the open 
- 
- 
0.6 
(Z) 
- 
- 
- 
- 
0.7 
0.1 
Lettuce and romaine 
0.1 
3.6 
0.1 
0.8 
- 
- 
- 
- 
0.7 
0.4 
Potatoes, excluding 
sweet potatoes 
(Z) 
(D) 
(Z) 
(D) 
0.1 
(Z) 
_ 
_ 
0.1 
0.1 
All berries 
- 
- 
0.5 
0.1 
(Z) 
0.3 
1.0 
(Z) 
0.6 
0.5 
Land in orchards, vineyards, 
and nut trees 
1.0 
2.1 
0.7 
0.3 
5.5 
5.3 
0.5 
(Z) 
0.1 
0.2 
All other crops (see text) 
0.3 
0.3 
0.4 
0.7 
0.2 
0.5 
0.3 
1.0 
0.9 
0.4 
Pastureland, all types 
2.3 
1.9 
1.4 
1.1 
3.4 
3.3 
16.3 
31.6 
1.8 
1.9 
' Percentages are calculated across all methods by irrigated crop and primary method. Data not comparable to previous FRIS published data. 
^ The sum of percent acres irrigated across systems for a crop may not add to 100 percent. 
182 2013 FRIS - Crops Grown in the Open and Pasture Data 
2012 Census of Agriculture 
USDA, National Agricultural Statistics Service 
