Local Crop Water: Crop Water Use and Soil Moisture Status Aug. 3 to 10

Soil moisture sensor reader

Soil moisture sensor reader

1.5 miles NE of Scribner: Irrigated no-till soybeans on Moody Silty Clay loam soil (about 2.2″ of available water per foot)

August 3 – August 10

Weekly Rainfall/Irrigation & Crop Water Use for August 3 – August 10:
Rainfall = 0.8″
Irrigation = 0″ (0.0″ total for season)
ET (Evapotranspiration) Reading: 0.6
Soybean Water Use (R4 – Full Pod) = 0.66″

Summary:

July 2 – August 10 Rainfall: 7.6″
July 2 – August 10 Soybean Water Use: 6.0″
Total July-August Deficit: +1.6″

No soil moisture sensors installed at this location.

2 miles W of Hooper: Location 1, Irrigated strip-till corn after soybeans on Moody Silty Clay Loam soil (about 2.2″ of available water per foot).

August 3 – August 10

Weekly Rainfall/Irrigation & Crop Water Use for August 3 – August 10:
Rainfall =0.65″
Irrigation = 0″ (1.25″ total for season)
ET Reading = 1.00
Corn Water Use (R3 – Milk) = 1.1″

Soil Water Depleted* at Depth (Sensor Reading)
*Corn lodged the week of July 27 – August 3 due to high winds in the location of the sensors. Soil moisture readings no long representative.

Summary:

June 29 – August 10 Rainfall: 8.8″
June 29 – August 10 Corn Water Use: 7.5″
Total July-August Deficit: +1.3″

 

2 miles W of Hooper: Location 2, Rainfed No-till Soybeans after Corn on Moody Silty Clay Loam soil (about 2.2″ of available water per foot)

August 3 – August 10

Weekly Rainfall & Crop Water Use for August 3 – August 10:
Rainfall = 0.65″
ET Reading = 1.0
Soybeans Water Use (R4) = 1.1″

Soil Water Depleted at Depth (Sensor Reading) on August 10:
1 ft = 0.00″ (11) or 1.1″ of available water before 50% depletion
2 ft = 0.02″ (21)
3 ft = 0.10″ (26)

Summary:

June 29 – August 10 Rainfall: 8.8″
June 29 – August 10 Soybean Water Use: 6.7″
Total July-August Deficit: +2.1″

 

6 miles E of Winslow

Irrigated Conventional-Tilled Corn-after-Corn on Moody Silty Clay Loam soil (about 2.2″ of available water per foot)

August 3 – August 10

Weekly Rainfall/Irrigation & Crop Water Use for August 3- August 10
Rainfall = 0.6″
Irrigation = 0.0″ (0.0″ total for season)
ET Reading  = 1.1
Corn Water Use (R4 – Dough) = 1.21″
Soybean Water Use (R4 – Full Pod) = 1.21″

Soil Water Depleted at Depth (Sensor Reading) on August 10:
1 ft = 0.00″ (20) or 1.1″ of available water before 50% depletion
2 ft = 0.22″ (34)
3ft = 0.05″ (23)

Summary:

June 29 – August 10 Rainfall: 9.5″
June 29 – August 10 Corn Water Use: 7.7″
Total July-August Deficit: +1.8″

 

Local Crop Water: Crop Water Use and Soil Moisture Status Aug. 3 to 10
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