|2,001 - 4,000 ft: 12 lb.|
|4,001 - 6,000 ft: 13 lb.|
|6,001 - 8,000 ft: 14 lb.|
|Above 1,000 ft: 15 lb.|
Quantity: An average of 31-½ pounds (in huss) of sweet corn is needed per canner load of 7 quarts; an average of 20 pounds is needed per canner load of 9 pints. A bushel weighs 35 pounds and yields 6 to 11 quarts--an average of 4-½ pounds per quart.
Quality: Select ears containing slightly immature kernels or of ideal quality for eating fresh. Canning of some sweeter varieties or too immature kernels may cause browning. Can a small amount, check color and flavor before canning large quantities.
Procedure: Husk corn, remove silk, and wash. Blanch 3 minutes in boiling water. Cut corn from cob at about three-fourths the depth of kernel. Caution: Do not scrape cob.
Hot pack--To each clean quart of kernels in a saucepan, add 1 cup of hot water, heat to boiling and simmer 5 minutes. Add 1 teaspoon of salt per quart to the jar, if desired. Fill jars with corn and cooking liquid, leaving 1-inch headspace.
Raw pack--Fill jars with raw kernels, leaving 1-inch headspace. Do not shake or press down. Add 1 teaspoon of salt per quart to the jar, if desired.
Add fresh boiling water, leaving 1-inch headspace.
Adjust lids and process following the recommendations in Table 1 or Table 2 according the the method of canning used.
Table 1. Recommended process time for Whole Kernel Corn in a dial-gauge pressure canner.
Style of Pack: Hot and Raw. Jar Size: Pints, Quarts. Process Time: 55 minuntes for Pints, 85 minutes for Quarts. Canner Pressure (PSI) at Altitudes of 0 - 2,000 ft: 11 lb.
Table 2. Recommended process time for Whole Kernel Corn in a weighted-gauge pressure canner. Style of Pack: Hot and Raw. Jar Size: Pints, Quarts. Process Time: 55 minutes for Pints, 85 minutes for Quarts. Canner Pressure (PSI) at Altitudes of 0 - 1,000 ft: 10 lb.
======================================================= === * USDA Agriculture Information Bulletin No. 539 (rev. 1994) * Meal-Master format courtesy of Karen Mintzias
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