July 8 to July 15 Crop Water Use and Soil Moisture Status Report

ETgage used to measure crop water use.

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 8– July 15

Weekly Rainfall & Crop Water Use for July 8 – July 15:
Rainfall = 1.4″
ET Reference Reading = 1.5
Corn Water Use (V16 growth stage) = 1.65″

Soil Water Depleted at Depth (Sensor Reading) on July 15:
1 ft = 0.26″ (47)
2 ft = 0.31″ (50)
3 ft = 0.00″ (11)
Total water depleted = 0.57″
Total available soil water for use before crop stress (50% depleted) occurs: 2.7″

Seasonal Summary (view previous weekly crop water use at NE Ag Water Mgnt Network): 

June 10 – July 15 Rainfall: 8.7″
June 10 – July 15 Corn Water Use: 5.2″
Total June 10 – July 15 Surplus: 3.5

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 8 – July 15

Weekly Rainfall & Crop Water Use for July 8 – July 15:
Rainfall = 1.2″
Irrigation = 0.0″
ET Reference Reading = 1.1
Soybean Water Use (R2 growth stage) =1.1″

Soil Water Depleted at Depth (Sensor Reading) on July 15:
1 ft = 0.04″ (22)
2 ft = 0.19″ (32)
3 ft = 0.07″ (24)
Total water depleted = 0.30″
Total available soil water for use before irrigation should start (trigger point at 40% depleted): 2.1″

Seasonal Summary:

June 23 – July 15 Rainfall: 2.9″
June 23 – July 15 Irrigation: 0.0″
June 23 – July 15 Soybean Water Use: 3.8″
Total June 23 – July 15 Deficit: 0.9″

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 8 – July 15

Weekly Rainfall & Crop Water Use for July 8 – July 15:
Rainfall = 0.9″
Irrigation = 0.0″
ET Reference Reading = 1.4
Corn Water Use (VT growth stage) = 1.54″

Soil Water Depleted at Depth (Sensor Reading) on July 15:
1 ft = 0.12″ (27)
2 ft = 0.19″ (32)
3 ft = 0.00″ (25)
Total water depleted = 0.39″
Total available soil water for use before irrigation should start (trigger point at 40% depleted): 2.0″

Seasonal Summary:

July 1 – July 15 Rainfall: 2.3″
July 1 – July 15 Irrigation: 0.0″
July 1 – July 15 Corn Water Use: 2.7″
Total July 1 – July 15 Deficit: 0.4″

July 8 to July 15 Crop Water Use and Soil Moisture Status Report
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