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Corn silo9/23/2023 ![]() ![]() The harvest height to 6 to 8 inches may be Tons per acre while reducing the NDF from 59.9 Wisconsin study, increasing the harvest heightįrom 6 to 18 inches reduced yields up to 0.6 In quality rarely offsets the yield loss. Is usually not profitable, since the improvement Increasing the height to improve silage quality Harvest height is typically set at 4 inches. Or in a microwave oven before harvesting. Whenever possible, measure the moistureĬontent with a commercial forage moisture tester Used only as a rough estimate of moistureĬontent. Season, and hybrid so this technique should be Moisture varies depending on region, growing When the milkline is ½ toĢ/3 of the way down the kernel, silage moisture Harvest timing can be estimated using the kernel Thus, theĭry matter is 34% and moisture is 66% (100-34). Subtract the dry matter content from 100.Įxample: After several heating cycles, the ![]() Grams represents the dry matter content of the Spread the forage evenly on the plate and place To test the moisture content of corn silage withĪ microwave oven, weigh out exactly 100 grams ofįresh silage on a paper plate (Don't forget toĪdjust for the weight of the paper plate). Measuring moisture content with a microwave oven Maturity and storage facility you choose for you Theĭesired feeding program may influence the The kernels) that changes rumen dynamics. Plant digestibility but now the energy is comingįrom an entirely different source (starch from Harvesting later (2/3 to ¾ milk line with someīrown leaves) will mean about the same whole (from lower percentage of kernels), while Yield more digestible stover and less starch Sugars, and less digestible fiber than earlier With harder seed coats, more starch and less Mature corn silage will have more, drier grain Other considerations for timing the harvest ofĬorn silage are that as the corn plant matures, Gallons to add = ( - FW )/(8.33)įDM = desired final dry matter (e.g., 0.35) Of forage to 65% moisture (35% dry matter): Matter would require 137 gallons of water to getĪmount of water needed to raise moisture content For example, using the equationīelow, a 4000 lb load of silage at 45% dry Often, adding water to a dryįorage becomes impractical because of the amount In dry, overmature corn silage the stove is less Source: Wiersma and Carter, University of Effect of harvest stage on yield and quality of corn silage. Recommended moisture contents for corn silage stored in various Protein levels decline, fiber levels either remain constant or decline,Īnd digestibility remains relatively constant (table 4). Harvest is delayed from full dent to black layer (no milkline) crude In addition, the kernels become harder and less digestible. Silage that is too dry will haveĪir pockets that prevent anaerobic fermentation and allow molds toĭevelop. Seepage removes nutrients, particularly soluble nitrogen andĬarbohydrates, and can damage the silo. Silage ensiled too wet may ferment poorly and seep. Table 3 will promote good packing and will minimize losses due to Corn should be harvested for silage at a moisture content that willĮnsure good storage in the silo. ![]()
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