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Energy-related inventions program invention 637. Final technical report

著者: Pegasus Machinery Co., Tucson, AZ (United States); Washington Procurement Operations Office, Washington, DC (United States).; United States. Department of Energy. Office of Energy Efficiency and Renewable Energy.; United States. Department of Energy. Office of Scientific and Technical Information.
出版商: Washington, DC : United States. Dept. of Energy. Office of Energy Efficiency and Renewable Energy ; Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 1997.
版本/格式:   电子图书 : 文献 : 国家级的政府刊物 : 英语
数据库:WorldCat
提要:
The final technical report for the Pegasus plow, a stalk and root embedding apparatus, describes progress from the development stage to the product support stage. The US Department of Agriculture - Agriculture Research Service (ARS) is now in the second year of a three year study comparing the Pegasus to conventional tillage. So far, no downside has been with the Pegasus and the following benefits have been  再读一些...
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材料类型: 文献, 政府刊物, 国家级的政府刊物, 互联网资源
文件类型: 互联网资源, 计算机文档
所有的著者/提供者: Pegasus Machinery Co., Tucson, AZ (United States); Washington Procurement Operations Office, Washington, DC (United States).; United States. Department of Energy. Office of Energy Efficiency and Renewable Energy.; United States. Department of Energy. Office of Scientific and Technical Information.
OCLC号码: 68419631
注意: Published through the Information Bridge: DOE Scientific and Technical Information.
07/31/1997.
"Doe/ee/15637--t10."
"DE97008088."
Pegasus Machinery Co., Tucson, AZ (United States).
描述: 19 pages : digital, PDF file.

摘要:

The final technical report for the Pegasus plow, a stalk and root embedding apparatus, describes progress from the development stage to the product support stage. The US Department of Agriculture - Agriculture Research Service (ARS) is now in the second year of a three year study comparing the Pegasus to conventional tillage. So far, no downside has been with the Pegasus and the following benefits have been documented: (1) Energy savings of 65.0 kilowatt hours per hectare over conventional tillage. This is when the Pegasus plow is used to bury whole stalks, and represents a 70% savings over conventional tillage (92.5 kilowatt hours per hectare). (2) Four to seven fewer passes of tillage, depending on the particular situation. This represents a substantial time savings to farmers. (3) So far, no differences in cotton yields. Recent cotton boll counts in one study indicate a higher yield potential with the Pegasus. (4) No disease problems. (5) Significantly higher levels of organic matter in the soil. A hypothesis of the study is that whole stalk burial may reduce plant disease problems. This hypothesis has not yet been proven. (6) Significantly higher levels of nitrate nitrogen. Total nitrogen and ammonia nitrogen trended higher but were not significantly different. This shows that whole stalk burial does not adversely affect the nitrogen cycle in the soil and may actually improve it. The marketing support stage of the project is also described in the report.

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