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Potential of winter cover crops for intensification of biofuel cropping systems.

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Abstract:

To meet the projected needs for biofuel feedstocks in the future, cropping systems will likely need to be intensified. One tactic that could be used is more aggressive use of double cropping systems that include winter crops. Winter crops such as rye, wheat, barley, triticale or canola can reduce soil erosion and nutrient leaching. Double cropping with corn, soybeans or sunflowers is possible in many areas. The objective of our studies has been to evaluate potential winter crops such as winter barley or canola as potential biofuel crops. Winter barley trials were conducted at total of five locations during a two year period in 2004 and 2005. These trials included both hulled and hulless varieties, bred specifically for ethanol production. Winter canola trials were conducted in both 2006 and 2007. Winter barley yields averaged 5628 kg/ha for the hulled varieties and 4771 kg/ha for the hulless lines. This is equivalent to approximately ethanol yields of 2000 or 1701 l/ha for the hulled and hulless lines respectively. Double cropped soybeans following barley yield about 2350 kg/ha. Winter canola yields averaged 2944 and 2514 kg/ha in 2006 and 2007, respectively, equivalent to oil yields of 1140 or 972 l/ha. Winter canola could also be double cropped with soybeans or sunflowers. More research is needed to improve the potential of these practices on issues such as early maturing varieties, use of silage crops for ethanol production and development of integrated bioprocessing facilities for recycling plant nutrients to production fields.
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Association:
Name: SOIL AND WATER CONSERVATION SOCIETY
URL:
http://www.swcs.org


Citation:
URL: http://citation.allacademic.com/meta/p235584_index.html
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MLA Citation:

Roth, Greg. "Potential of winter cover crops for intensification of biofuel cropping systems." Paper presented at the annual meeting of the SOIL AND WATER CONSERVATION SOCIETY, TBA, Tucson, Arizona, <Not Available>. 2013-12-14 <http://citation.allacademic.com/meta/p235584_index.html>

APA Citation:

Roth, G. "Potential of winter cover crops for intensification of biofuel cropping systems." Paper presented at the annual meeting of the SOIL AND WATER CONSERVATION SOCIETY, TBA, Tucson, Arizona <Not Available>. 2013-12-14 from http://citation.allacademic.com/meta/p235584_index.html

Publication Type: Abstract
Abstract: To meet the projected needs for biofuel feedstocks in the future, cropping systems will likely need to be intensified. One tactic that could be used is more aggressive use of double cropping systems that include winter crops. Winter crops such as rye, wheat, barley, triticale or canola can reduce soil erosion and nutrient leaching. Double cropping with corn, soybeans or sunflowers is possible in many areas. The objective of our studies has been to evaluate potential winter crops such as winter barley or canola as potential biofuel crops. Winter barley trials were conducted at total of five locations during a two year period in 2004 and 2005. These trials included both hulled and hulless varieties, bred specifically for ethanol production. Winter canola trials were conducted in both 2006 and 2007. Winter barley yields averaged 5628 kg/ha for the hulled varieties and 4771 kg/ha for the hulless lines. This is equivalent to approximately ethanol yields of 2000 or 1701 l/ha for the hulled and hulless lines respectively. Double cropped soybeans following barley yield about 2350 kg/ha. Winter canola yields averaged 2944 and 2514 kg/ha in 2006 and 2007, respectively, equivalent to oil yields of 1140 or 972 l/ha. Winter canola could also be double cropped with soybeans or sunflowers. More research is needed to improve the potential of these practices on issues such as early maturing varieties, use of silage crops for ethanol production and development of integrated bioprocessing facilities for recycling plant nutrients to production fields.

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