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| DOI: | 10.1002/agj2.20147 |
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| Web URL(s): | https://acsess.onlinelibrary.wiley.com/doi/10.1002/agj2.20147
Last checked: 04/11/2022
Access conditions: Item is within a limited-access website
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/agj2.20147
Last checked: 04/11/2022
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| Publication Type:
| Refereed |
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| Author(s): | Dhakal, Madhav;
West, Charles P.;
Villalobos, Carlos;
Brown, Philip;
Green, Paul E. |
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| Author Affiliation: | Dhakal: Plant Soil Science Department, Texas Tech University, Lubbock, TX and Sustain. Water Management Research Unit, USDA-ARS, Leland, MS; West, Brown, and Green: Plant Soil Science Department, Texas Tech University, Lubbock, TX; Villalobos: Natural Resources Management Department, Texas Tech University, Lubbock, TX |
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| Title: | Interseeding alfalfa into native grassland for enhanced yield and water use efficiency |
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| Section: | Crop economics, production, & management
Other records with the "Crop economics, production, & management" Section
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| Source: | Agronomy Journal. Vol. 112, No. 3, May/June 2020, p. 1931-1942. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy |
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| # of Pages: | 12 |
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| Related Web URL: | https://acsess.onlinelibrary.wiley.com/doi/abs/10.1002/agj2.20147
Last checked: 04/11/2022
Notes: Abstract only |
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| Abstract/Contents: | "Livestock productivity of semiarid, native grassland is potentially enhanced by interseeding alfalfa (Medicago sativa L.), but little is known of the impact on forage and N yield and water use. Two hay-type cultivars, 'WL 440HQ' (WL), 'NuMex Bill Melton' (NuMex), and grazing-type 'Falcata'-'Rhizoma' blend (FR) were interseeded into mixtures of four native-grass species in fall of 2015, at 36- and 71-cm row spacing as high- and low-density plantings, respectively. Plots were harvested periodically over 3 yr. Evapotranspiration (ET) was estimated based on rainfall and changes in soil water volume and used to calculate water use efficiency (WUE, kg of forage mass m-3 of ET). Alfalfa-grass mixtures produced 35% more forage mass and 96% greater N yield than the grass-only stands. Narrow-row alfalfa produced greater total forage mass than wide-row for the first 2 yr (P < .05), but no difference between row spacings occurred by Year 3. Cultivars NuMex and WL produced greater forage mass than the short-statured FR, especially at high density (P < .05). Alfalfa-grass mixtures increased WUE by a mean of 25% over the grass-only stands. There was no difference between row spacings for WUE, weed biomass, and weed N mass (P > .05). The alfalfa-grass mixtures reduced weed biomass by 43% over the grass-only stands. Interseeding alfalfa at wide row spacing enhanced forage productivity, WUE, and weed suppression relative to grass-only stands at lower seed cost than at narrow row spacing. Adapted hay-type alfalfa cultivars can be used to improve native-grass pastures in rainfed, semiarid environments." |
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| Language: | English |
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| References: | 59 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Dhakal, M., C. P. West, C. Villalobos, P. Brown, and P. E. Green. 2020. Interseeding alfalfa into native grassland for enhanced yield and water use efficiency. Agron. J. 112(3):p. 1931-1942. |
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| DOI: 10.1002/agj2.20147 |
| Web URL(s):
https://acsess.onlinelibrary.wiley.com/doi/10.1002/agj2.20147
Last checked: 04/11/2022
Access conditions: Item is within a limited-access website
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/agj2.20147
Last checked: 04/11/2022
Requires: JavaScript
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2212646a |
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