Irrigation Strategies:

1
Irrigation Strategies A Producers Perspective
Gill Rogers Hartsville, SC
2
Aerial View of South Carolina Farmland
3
Dryland Cotton in 1990
4
Same Field Dryland Cotton in 1992
5
A Failed Irrigation System
6
Abundant Supply of Surface Water
7
Irrigation Well
8
Installing Irrigation Pipelines
9
A Successfully Running Irrigation System
10
Pivot Problems?
11
More Pivot Problems?
12
Irrigation Schedule for Cotton
900 to 1200 LB/A
1300 to 1600 LB/A
Growth stage Inches / week Inches / Day Inches / week Inches / day
Week beginning at first Bloom 1.0 0.15 1.5 0.22
2nd Week after first bloom 1.5 0.22 1.5 0.22
3rd Week after first bloom 2.0 0.30 2.5 0.36
4th Week after first bloom 2.0 0.30 2.5 0.36
5th Week after first bloom 1.5 0.22 2.5 0.36
6th Week after first bloom 1.5 0.22 2.0 0.30
7th Week after first bloom 1.0 0.15 2.0 0.30