Saturday, September 11, 2010

Ramsey Dairy Corn Silage

36” row
Plant Population 40,000
Harvested Population 38,000
Varieties planted: DK 68-77 VT3 & Croplan 9009
Plant date April 19th
Harvested on August 13th
Fertilizer: 500# 10-20-20 in the row, 60 gallons of 30% liquid nitrogen and manure (about 20 units of N from manure)
Herbicide Program: Bullet 2 quarts with 1 quart of atrazine. Nutsedge was still an issue but higher level of atrazine helped veveltleaf. Last year they used only 1 pint of atrazine.
Harvested 400 truckloads averaging 5 tons per truck or about 29 tons per acre.
Weight of corn from20 stalks was:
8.825# on the DK 67-88 (would average 289.1 bushels but not dry)
8.256# on the Croplan 9009 (would average 270.5 bushels if dry)
Notes: Corn earworms were present on Croplan where they were not on the VT3. Not much damage yet. I personally would recommend the 67-88 over the Croplan based solely on these fields. A grower would be proud to have either hybrid.

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