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by: Daryl Gulgowski


Daryl Gulgowski
GPA 3.71

Gina McAndrews

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About this Document

Gina McAndrews
Class Notes
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Popular in Agricultural & Resource Econ

This 8 page Class Notes was uploaded by Daryl Gulgowski on Saturday September 26, 2015. The Class Notes belongs to AGRON 212 at Iowa State University taught by Gina McAndrews in Fall. Since its upload, it has received 22 views. For similar materials see /class/214421/agron-212-iowa-state-university in Agricultural & Resource Econ at Iowa State University.

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Popular in Agricultural & Resource Econ




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Date Created: 09/26/15
Agronomy 212 Crop Growth Productivity and Management Grain Quality Why worry about quality What is quality US Standards for Grain Maximum limits of Damaged Kemels Minimum test Br en com and Grade weight per bushel Heatdamaged Total kemels foreign material US No 1 560 01 30 20 US No 2 540 02 50 30 US No 3 520 05 70 40 US No 4 490 10 100 50 US No 5 460 30 150 70 US Sample grade US Sample grade is com that a Does not meet the requirements forthe grades US Nos 1 2 3 4 or 5 or b Contains 8 or more stones Vl lCh have an aggregate weight in excess of 020 percent ofthe sample weight 2 or more pieces ofglass 3 or more recognized han39n Jl ortoxic substances 8 or more cockleburs Xanthium spp or similar seeds single or in combination or animal lth in excess of 020 percent in 1000 grams or c Has a musty sour or commercially objectionable foreign odor or d Is heating or otherwise of distinctly low quality Blending New Thinking Corn Intrinsic Qualities By Use Use Protein Oil Starch Density Hardness Other 80 36 60 125 gmcm 025 lysine 019 methionine High High Lowfber High lysine swine High methionine poultry Low High High Moderate Soft High Low High Hard High Medium High Medium White cob Corn Genetic Alterations Quality Trait Uses Benefit High protein 10 Livestock feed High lysine 03 Hog feed High methionine 025 Poultry feed High oil 6 Animal feed High extractable starch Corn wet milling Hard endosperm Corn dry milling High yielding white corn Alkaline cooking Valueadded corn acres and premiums wth Trait 2002 Acreage Premiums Potential 900000 015040 Modest 500000 010030 Modest 12000001500000 010020 Modest 500000 020030 Declining 7500090000 015035 Modest 4500050000 100 Modest 125000175000 007012 Modest 300000600000 005010 Modest Total 33750004045000 of US total acreage 4958 Sources USGrairrs Council 20012002 ValueEnhanced Grain Quality Report I Valueadded corn growing areas White Corn Waxy Corn Hard Endosperm Corn HighOil Corn Highoil corn Corn Future Traits Soybean Intrinsic Qualities By Use Use Protein Oil Fiber Seeds per lb Other 350 185 50 25002600 High High Low Fatty acid composition Amino acid composition High Low Low Large or very Low defects small Clear hilum Soybean Genetic Alterations Quality Trait Uses Benefit High protein 38 Crusher High oil 20 Crusher Low linolenic oil 3 Crusher High stearic acid Crusher Low saturated fatty acids Crusher Special seed size with Food high protein manufacturer Specialty Soybean Characteristics and implications ofvalueadded grain production


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