种植多种夏季一年生牧草混合物是否有经济优势?

IF 0.4 Q4 EDUCATION & EDUCATIONAL RESEARCH
K. Mercier, C. Teutsch, Ray P. Smith, Kenneth H. Burdine, E. Ritchey, E. Vanzant
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引用次数: 1

摘要

这项研究考察了在不同的施氮率下种植禾本科、豆类和杂类植物的夏季年度混合物的经济影响。三种混合物之间的产量没有差异,这表明种子成本最低的混合物将是最经济的。施用N导致每施用lb N产量增加12.26 lb DM。尽管产量对氮的反应是积极的,但敏感性分析表明,只有当干草价格高而氮价格低时,施用氮才能产生积极的净回报。当考虑到利用率时,企业预算确定放牧比干草便宜18%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Is There an Economic Advantage to Planting Diverse Summer Annual Forage Mixtures?
This study examined economic implications of planting summer annual mixtures of grasses, legumes, and forbs at varying nitrogen rates. No differences in yield occurred between the three mixtures, indicating that mixtures with lowest seed cost will be most economical. Applying N resulted in yield increases of 12.26 lb DM per lb N applied. Although yield responses to N were positive, sensitivity analyses showed that applying N resulted in positive net returns only when hay prices were high and N prices were low. When utilization rates are accounted for, enterprise budgets determined grazing to be 18% cheaper to implement than haying.
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来源期刊
JOURNAL OF EXTENSION
JOURNAL OF EXTENSION EDUCATION & EDUCATIONAL RESEARCH-
CiteScore
0.80
自引率
33.30%
发文量
58
期刊介绍: The Journal of Extension (JOE) expands and updates the research and knowledge base for U.S. Extension professionals and other outreach educators to improve their effectiveness. JOE also serves as a forum for emerging and contemporary issues affecting U.S. Cooperative Extension education. JOE is a refereed journal. Feature, Research in Brief, and Ideas at Work submissions undergo double-blind review, and Commentary and Tools of the Trade submissions are reviewed by the editor, Dr. Laura Hoelscher.
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