Multilocation Corn Stover Harvest Effects on Crop Yields and Nutrient Removal

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• 作者：Douglas L. Karlen (1)
  Stuart J. Birrell (2)
  Jane M. F. Johnson (3)
  Shannon L. Osborne (4)
  Thomas E. Schumacher (5)
  Gary E. Varvel (6)
  Richard B. Ferguson (7)
  Jeff M. Novak (8)
  James R. Fredrick (9)
  John M. Baker (10)
  John A. Lamb (11)
  Paul R. Adler (12)
  Greg W. Roth (13)
  Emerson D. Nafziger (14)
  
• 关键词：Bioenergy ; Sustainable feedstock production ; Nutrient removal
• 刊名：BioEnergy Research
• 出版年：2014
• 出版时间：June 2014
• 年：2014
• 卷：7
• 期：2
• 页码：528-539
• 全文大小：
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  13. Wilhelm WW, Hess JR, Karlen DL, Johnson JMF, Muth DJ, Baker JM, Gollany HT, Novak JM, Stott DE, Varvel GE (2010) Review: balancing limiting factors and economic drivers for sustainable Midwestern US agricultural residue feedstock supplies. Ind Biotechnol 6:271-87 k" title="It opens in new window">CrossRef
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• 作者单位：Douglas L. Karlen (1)
  Stuart J. Birrell (2)
  Jane M. F. Johnson (3)
  Shannon L. Osborne (4)
  Thomas E. Schumacher (5)
  Gary E. Varvel (6)
  Richard B. Ferguson (7)
  Jeff M. Novak (8)
  James R. Fredrick (9)
  John M. Baker (10)
  John A. Lamb (11)
  Paul R. Adler (12)
  Greg W. Roth (13)
  Emerson D. Nafziger (14)
  
  1. USDA-Agricultural Research Service (ARS) National Laboratory for Agriculture and the Environment (NLAE), 2110 University Boulevard, Ames, IA, 50011, USA
  2. Department of Agricultural and Biosystems Engineering, Iowa State University, 208 Davidson Hall, Ames, IA, 50011, USA
  3. USDA-ARS-North Central Soil Conservation Research Laboratory (NCSCRL), 803 Iowa Ave., Morris, MN, 56267, USA
  4. USDA-ARS-North Central Agricultural Research Laboratory (NCARL), 2923 Medary Ave., Brookings, SD, 57006, USA
  5. Plant Science Department, South Dakota State University, Plant Science-Box 2140C, Brookings, SD, 57006, USA
  6. USDA-ARS-Agroecosystem Management Research Unit (AMRU), 117 Keim Hall, Lincoln, NE, 68583-0938, USA
  7. Department of Agronomy, University of Nebraska–Lincoln, 367 Keim Hall, Lincoln, NE, 68583, USA
  8. USDA-ARS-Costal Plains Soil, Water, & Plant Research Center (CPSWPRC), 2611 West Lucas St., Florence, SC, 29501, USA
  9. Clemson University Pee Dee Research & Education Center (PDREC), 2200 Pocket Road, Florence, SC, 29501, USA
  10. USDA-ARS, Soil and Water Management Research Unit, 439 Borlaug Hall 1991 Upper Buford Circle, St. Paul, MN, 55108, USA
  11. Department of Soil, Water and Climate, University of Minnesota, S229 Soils Building, 1529 Gortner Avenue, St. Paul, MN, 55108, USA
  12. USDA-ARS-Pasture Systems & Watershed Management Research Unit (PSWMRU), Building 3702 Curtin Road, University Park, PA, 16802, USA
  13. Department of Plant Science, Pennsylvania State University, 407 Agricultural Sciences and Industries Building, University Park, PA, 16802, USA
  14. Crop Science Department, University of Illinois, W-301 Turner Hall, 1102 S. Goodwin, Urbana, IL, 61820, USA
  
• ISSN：1939-1242

文摘

Corn (Zea mays L.) stover was identified as an important feedstock for cellulosic bioenergy production because of the extensive area upon which the crop is already grown. This report summarizes 239 site-years of field research examining effects of zero, moderate, and high stover removal rates at 36 sites in seven different states. Grain and stover yields from all sites as well as N, P, and K removal from 28 sites are summarized for nine longitude and six latitude bands, two tillage practices (conventional vs no tillage), two stover-harvest methods (machine vs calculated), and two crop rotations {continuous corn (maize) vs corn/soybean [Glycine max (L.) Merr.]}. Mean grain yields ranged from 5.0 to 12.0?Mg?ha? (80 to 192?bu?ac?). Harvesting an average of 3.9 or 7.2?Mg?ha? (1.7 or 3.2?tons?ac?) of the corn stover resulted in a slight increase in grain yield at 57 and 51?% of the sites, respectively. Average no-till grain yields were significantly lower than with conventional tillage when stover was not harvested, but not when it was collected. Plant samples collected between physiological maturity and combine harvest showed that compared to not harvesting stover, N, P, and K removal was increased by 24, 2.7, and 31?kg?ha?, respectively, with moderate (3.9?Mg?ha?) harvest and by 47, 5.5, and 62?kg?ha?, respectively, with high (7.2?Mg?ha?) removal. This data will be useful for verifying simulation models and available corn stover feedstock projections, but is too variable for planning site-specific stover harvest.