Fond du Lac County Corn Silage Moisture Testing Results

Let Whole Plant Moisture Be Your Guide to Harvest Time!

The best lactation performance by dairy cows has been shown to occur when corn silage is harvested at 65-70 percent moisture.  This range of whole plant moisture also works well for achieving good packing and silage fermentation in horizontal silos.  Determining whole plant moisture prior to harvest is one management practice to ensure high quality forages.


September 19, 2017
Twenty-nine samples were submitted to the laboratory on September 19th. Overall, the average moisture was 68.8% The moisture ranged from 63.2% to 73.4% among the 29 samples. Results are as follows. Warm temperatures predicted for the next few days could increase the drying in excess of the typical ½% per day.


September 12, 2017
Eight-eight samples were submitted to the laboratory on September 12th. Overall, the average moisture was 69.3%. The moisture ranged from 58.9% to 80.1% among the 88 samples. Results are as follows.


September 5, 2017 Results
Thirty-three samples were submitted to the laboratory on September 5th. Overall, the average moisture was 73.6%. The moisture ranged from 68% to 78% among the 33 samples. Results are as follows.


September 1, 2016 Results
Eighty-nine samples were submitted to the laboratory on September 1st. However, several of the samples did not have enough complete data (i.e. planting date, hybrid maturity date and/or location), so some of the results are not  posted. Overall, the average moisture was 66.5%. The moisture ranged from 58% to 72% among the 89 samples. Results are as follows.

August 26, 2016 Results

Sixty-four samples were submitted to the laboratory on August 26th. However, several of the samples did not have enough complete data (i.e. planting date, hybrid maturity date and/or location), so some of the results are not  posted. Overall, the average moisture was 68%. The moisture ranged from 58% to 74% among the 64  samples. Results are as follows.


September 15, 2015 Results

Forty-seven samples were submitted for moisture analysis through the UW-Soils & Forage Analysis Laboratory on September 15th.  Results are as follows. Use 0.5% (0% to 1%) range per day as an average dry down rate during the month of September.

September 8, 2015 Results

Twenty samples were submitted for moisture analysis through the UW-Soils & Forage Analysis Laboratory on September 8th.  Results are as follows.

September 1, 2015 Results

One hundred samples were submitted for moisture analysis through the UW-Soils & Forage Analysis Laboratory on September 1st.  Results are as follows.

August 25, 2015 Results

Eighteen samples were submitted for moisture analysis through the UW-Soils & Forage Analysis Laboratory on August 25th.  Results are as follows.

Thank you to our sponsors for their support of the 2017 Fond du Lac County Forage Council’s Corn Silage Moisture Testing Program:
Croplan Seeds/Winfield Solutions
Dekalb Seeds/Monsanto
LG Seeds
Mycogen Seeds/Dow
NK Seeds/Syngenta
Country Visions Coop
CP Feeds
Oakfield Elevator
Fond du Lac County Forage Council
UW-Extension Fond du Lac County
Midwest Forage Association
Dairyland Seeds
Insight FS Coop

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