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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/articles/94/4/792
Last checked: 12/15/2016
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Lauriault, Leonard M.;
Kirksey, Rex E.;
Donart, Gary B. |
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| Author Affiliation: | Lauriault and Kirksey: Agricultural Science Center at Tucumcari, New Mexico State University, Tucumcari, New Mexico; Donart: (retired) Department of Animal and Range Science, New Mexico State University, Las Cruces, New Mexico |
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| Title: | Irrigation and nitrogen effects on tall wheatgrass yield in the Southern High Plains |
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| Section: | Production agriculture
Other records with the "Production agriculture" Section
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| Source: | Agronomy Journal. Vol. 94, No. 4, July/August 2002, p. 792-797. |
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| Publishing Information: | Madison, WI: American Society of Agronomy |
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| # of Pages: | 6 |
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| Keywords: | TIC Keywords: Irrigation practices; Nitrogen; Agropyron elongatum; Soil water content; Nitrogen fertilizers; Productivity; Irrigation frequency; Dry weight; Precipitation; Winter; Soil moisture
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| Geographic Terms: | Southern high plains |
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| Abstract/Contents: | "Winter months in the Southern High Plains of the USA have the lowest precipitation. As a result, producers using tall wheatgrass [Agropyron elongatum (Host) Beauv.] may get higher production in the spring and possibly throughout the growing season with additional irrigation. Also, growers need information about interactions between soil moisture and N fertilizer to maximize productivity. In a split-plot study conducted at the New Mexico State University Agricultural Science Center at Tucumcari from 1997 to 1999, tall wheatgrass furrow-irrigated monthly from April to September was irrigated once, twice or not irrigated during winter as the whole-plot treatment. For subplot treatments, tall wheatgrass annually received 168 kg N ha-1 split into two, three, or four equal applications. Tall wheatgrass irrigated in the winter yielded more dry matter (DM) over the 3 yr than unirrigated tall wheatgrass (11.72, 12.10, and 13.55 Mg ha-1 for tall wheatgrass not irrigated, irrigated once, or irrigated twice, respectively). Tall wheatgrass fertilized three or four times outyielded tall wheatgrass fertilized twice (11.08, 12.85, and 13.44 Mg ha-1 for two, three, and four N applications, respectively). No interaction occurred between the irrigation and N treatments. A year x harvest x N effect existed in which a mid-December N application, preceded and followed by precipitation, produced approximately 1 Mg ha-1 more DM than unfertilized tall wheatgrass in the first harvest the following year. Both supplemental winter irrigation and N application scheduling offer opportunities for tall wheatgrass production to increase production in the Southern High Plains of the USA." |
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| Language: | English |
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| References: | 21 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Lauriault, L. M., R. E. Kirksey, and G. B. Donart. 2002. Irrigation and nitrogen effects on tall wheatgrass yield in the Southern High Plains. Agron. J. 94(4):p. 792-797. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/articles/94/4/792
Last checked: 12/15/2016
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 22 .A45 |
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