Atrazine and Fertilizer Effects on Sandhills Subirrigated Meadow

Brejda, John J.; Moser, Lowell E.; Waller, Steven S.; Lowry, Stephen R.; Reece, Patrick E.; Nichols, James T.

doi:10.2307/3899304

Cited by 4 publications

(3 citation statements)

References 3 publications

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“…Such decreases in Poa spp. are consistent with observations made in southeast Nebraska (Waller and Schmidt 1983), in south central Nebraska (Dill et al 1986), and in western Nebraska (Brejda et al 1989).…”

Section: Sedgessupporting

confidence: 92%

“…Atrazine is absorbed through the roots and foliage, although foliar absorption is limited in most plants. and some annual species have generally shown susceptibility (Brejda et al 1989, Rice and stritzke 1989, Dill et al 1986, Petersen et ale 1983, Waller and Schmidt 1983, Martin et al 1982, Houston 1977.…”

Section: Atrazine Reviewmentioning

confidence: 99%

“…Several studies, with objectives similar to this project, have focused on the use of atrazine or other herbicides to exert a shift in the community composition from cool-season to warmseason. Samson and Moser (1982) The potential of a single atrazine application for the restoration of warm-season grasses in a Nebraska Sandhills sub irrigated meadow was evaluated by Brejda et al (1989).…”

Section: \mentioning

confidence: 99%

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Restoration of remnant, native warm-season grasses on southern Iowa pastureland

Rosburg¹

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Section: Sedgessupporting

confidence: 92%

Section: Atrazine Reviewmentioning

confidence: 99%

Section: \mentioning

confidence: 99%

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Restoration of remnant, native warm-season grasses on southern Iowa pastureland

Rosburg¹

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Rangeland vegetation responses to traditional enclosure management in eastern Ethiopia

et al. 2013

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Enclosures are widely used by pastoralists in East Africa. However, the response of herbaceous and woody vegetation to enclosures seasonally grazed by livestock remains poorly understood. This study investigated the effectiveness of traditional enclosures in improving herbaceous and woody vegetation in the Somali Regional State of eastern Ethiopia. Vegetation composition (species composition, diversity and richness) and structure (herbage mass, density and canopy cover) were measured inside and outside a set of enclosures. The enclosures contained higher numbers of desirable species than the adjacent open-access grazing areas. Woody species richness was higher in the open-access grazing areas than in the enclosures, which is attributed to the manual removal of most of the undesirable shrubs and trees in the enclosures by pastoralists. Herbage mass was 2642 and 843 kg of dry matter ha -1 in the enclosures and open-access communal grazing areas, respectively. Herbaceous species diversity was higher in the enclosures than in the open-access communal grazing areas (Shannon-Wiener index: 1.8 v. 1.4, respectively). The enclosures were richer in herb species than the open-access grazing areas (13.5 v. 6.8, respectively), but values for woody species were not significantly different. Overall, we found that establishment of enclosures and the short-term protection from grazing they allow is an option for realising positive vegetation changes that support the local pastoral economy in the semiarid rangelands of eastern Ethiopia.

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