ETgage used to measure crop water use.
View crop water use from around the Nebraska including locally at the Nebraska Ag Water Mgnt Network.
Location 1: 2 miles west of Hooper, rainfed no-till corn after soybeans on Moody Silty Clay Loam soil (about 2.2″ of available water per foot)
July 1 – July 8
Weekly Rainfall & Crop Water Use for July 1 – July 8:
Rainfall = 2.7″
ET Reference Reading = 0.8
Corn Water Use (V12 growth stage) = 0.7″
Soil Water Depleted at Depth (Sensor Reading) on July 8:
1 ft = 0.00″ (27)
2 ft = 0.12″ (39)
3 ft = 0.00″ (4)
Total available soil water for use before crop stress (50% depleted, using top 2 ft) occurs: 2.1″
Seasonal Summary (view previous weekly crop water use at NE Ag Water Mgnt Network):
June 10 – July 8 Rainfall: 7.3″
June 10 – July 8 Corn Water Use: 3.6″
Total June 10 – July 8 Surplus: 3.7″
Check out the Nebraska Drought Monitor Map too, new map release on Thursdays each week.
Location 2: 5 miles east of Winslow, irrigated soybeans after corn on Belfore Silty Clay Loam soil (about 2.0″ of available water per foot)
July 1 – July 8
Weekly Rainfall & Crop Water Use for July 1 – July 8:
Rainfall = 1.7″
Irrigation = 0.0″
ET Reference Reading = 1.1
Soybean Water Use (R1 growth stage) = 0.99″
Soil Water Depleted at Depth (Sensor Reading) on July 8:
1 ft = NA
2 ft = NA
3 ft = NA
Total available soil water for use before irrigation should start (trigger point at 40% depleted): NA
Seasonal Summary:
June 23 – July 7 Rainfall: 1.7″
June 23 – July 7 Irrigation: 0.0″
June 23 – July 7 Soybean Water Use: 2.7″
Total June 23 – July 7 Deficit: 1.0″
Location 3: 2 miles north of Arlington, irrigated no-till corn after soybeans on Belfore Silty Clay Loam Terrace soil (about 2.0″ of available water per foot)
July 1 – July 8
Weekly Rainfall & Crop Water Use for July 1 – July 8:
Rainfall = 1.4″
Irrigation = 0.0″
ET Reference Reading = 1.2
Corn Water Use (V14 growth stage) = 1.21″
Soil Water Depleted at Depth (Sensor Reading) on June 30:
1 ft = 0.00″ (2)
2 ft = 0.00″ (7)
3 ft = 0.00″ (2)
Total available soil water for use before irrigation should start (trigger point at 40% depleted, using top 2 ft): 1.6″
Seasonal Summary:
July 1 – July 8 Rainfall: 1.4″
July 1 – July 8 Irrigation: 0.0″
July 1 – July 8 Corn Water Use: 1.2″
Total July 1 – July 8 Surplus: 0.2″
