Effect of Time of Cutting on Yield and Botanical Composition of Prairie Hay in Southeastern Nebraska

Conrad, Elverne C.

doi:10.2307/3894451

Cited by 11 publications

(6 citation statements)

References 5 publications

(5 reference statements)

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“…The shoot apices for some warmseason grasses were possibly clipped with the July 13 harvest under HS 1, reducing the competitive ability of those plants much earlier than with HS2 or 3, which were clipped in late August. Warm-season grass density decreased slightly with HS 1, remained fairly constant or increased with late cutting dates, which agrees with Conard and Arthaud (1957). Harvest scheme 2 and 3 allowed nearly full development of the warm-season species, which produced severe competition with the dormant cool-season grasses.…”

Section: Species Densitysupporting

confidence: 83%

Response of an Irrigated Cool- and Warm-Season Grass Mixture to Nitrogen and Harvest Scheme

Petersen¹,

Moser²

1985

Journal of Range Management

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Section: Species Densitysupporting

confidence: 83%

Response of an Irrigated Cool- and Warm-Season Grass Mixture to Nitrogen and Harvest Scheme

Petersen¹,

Moser²

1985

Journal of Range Management

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“…Reducing excess accumulations of standing dead vegetation and mulch that may chemically and physically inhibit new growth (Hopkins et al 1948, Curtis and Partch 1950, Goodman 1953, Conrad 1954, Hopkins 1954, Hopkins 1956, Glendening and Pase 1964, Young and Hulett 1968).…”

Section: )mentioning

confidence: 99%

Livestock Grazing Impacts on Public Lands: A Viewpoint

Holechek¹

1981

Journal of Range Management

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In recent years, livestock grazing on public lands has been a subject of considerable controversey. Groups advocating or opposing grazing on public lands have often based their arguments on emotion rather than fact. A discussion of grazing impacts on public lands based on available literature is overdue. It is my intent to emphasize the benefits of controlled livestock grazing to vegetation, water, wildlife and economic resources. It is recognized that uncontrolled livestock grazing leads to resource destruction. However, this also applies to mining, logging, farming, wildlife grazing, recreation, and practically any other land use when unregulated. Demand and Production The demand for red meat is rapidly rising both in the United States and abroad (Council for Agricultural Science and Technology 1974). It is expected the world's population will increase 63% in the next 25 years (Bommer 1978). Several million acres of grassland are converted to cropland every year in the United States alone (Long 1974). Presently, consumption of red meat per capita in this country and overseas is also rapidly increasing (Bommer 1978). This three-way crunch suggests that demand will dictate that we drastically increase red meat production from federal lands rather than eliminate this area from our grazing resources. The argument that livestock on public lands presently account for only a small part of total meat production is not true. Public rangelands provide about 12% of the forage consumed annually by domestic livestock (Council for Agricultural Science and Technology 1974). However, it was also reported that this information underestimates the importance of federal land because of the following: 1) The annual feeding cycle requires use of forage from federal rangeland, private rangeland and cropland. 2) Published statistics usually combine beef and dairy and do not distinguish betwen grazing and feedlot operations. 3) Values for specific products such as feeder calves and yearlings or sheep and lambs are not separated. Therefore, federal lands are much more important than the available data indicate. Red meat can be produced much more efficiently on rangeland than on cropland. This is because energy inputs in the form of

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“…Annual mowing may affect grassland composition but appears to have distinct consequences, different from grazing or burning (Conrad 1953). Mowing alters species composition less than cultivation or heavy grazing (Dyksterhuis 1946;Launchbaugh 1955;Collins 1972).…”

Section: Discussionmentioning

confidence: 99%

Changes in species biomass in the Coastal Prairie of Texas when light and nutrients are altered

Auken

Bush²,

Diamond

1992

Can. J. Bot.

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1992. Changes in species biomass in thc Coastal Prairic of Texas when light and nutrients are altered. Can. J. Bot. 70: 1777-1783. A 2 X 2 factorial experiment using light and nutrients as factors was carried out over 2 % years in a remnant, native Coastal Prairie of Texas. Light level, nutrient level, and date of sampling all had significant influences on total biomass, but changes were subtle, suggesting additional limiting factors. More obvious were changes in biomass of individual species, especially the dominant C, grass species. Schizachyriutn scopnrilirn (Michx.) Nash (little bluestem), Pnspal~irrr plicnt~ilum Michx. (brownseed paspalum), and Sorghastrurtr lzutans (L.) Nash (Indian grass), three C, grasses, maintained their biomass at low nutrient levels throughout the study. Sorghastrurn trrirans responded to higher nutrient levels with increased biomass, whereas the biomass of S. scopariurn and P. plicatrilurn decreased. Results suggest that remnant grassland communities dominated by P. plicaturn and S. scopariur~r are relatively stable conlnlunities maintained by yearly mowing, which removes biomass and nutrients. With the accunlulation of litter, surface light levels would decrease, soil nutrients would increase, and S. nutans biomass would increase at the expense of P. plicatulurn and S. scopariurn. VAN AUKEN, 0. W., BUSH, J. K., et DIAMOND, D. D. 1992. Changes in species biomass in the Coastal Prairie of Tcxas when light and nutrients are altered. Can. J. Bot. 70 : 1777-1783. Les auteurs ont conduit une expkrience factorielle 2 x 2 impliquant les facteurs lumikre et nutriment; cette expCrience a d u d deux ans et demi dans un vestige de la prairie c6tikre aborigttne du Texas.L'intensitC lumineuse, la teneur en nutriments et la date d'Cchantillonage montrent toutes des influences significatives sur la biomasse totale, mais il y a des modifications subtiles qui suggkrent l'existence d'autres facteurs limitants. Ce qui est le plus remarquable, ce sont les changements de biomasse d'espttces individuelles, surtout les espkces herbacCes dominantes en C,. Trois herbacees en C, ont maintenu une biomasse constante aux niveaux infkrieurs en nutriments : ce sont Sclliznchyririm scoparium (Michx.) Nash, Pnspalrirn plicatulrttn Michx. et Sorghnsrrritn nutans (L.) Nash. Le S. trutans reagit 5 des teneurs plus ClevCes en nutriments par une augmentation de biomasse, alors que les biomasses du S. scoparium et du P. plicatrilurn diminuent. Les rksultats suggkrent que les communautCes d'herbacies vestigiales dominCes par les P. plicntrilri~~z et S. scopnrirtm sont des communautCs relativement stables, maintenues par une tonte annuelle, qui Climine la biomasse et les nutriments. Avec une accumulation de litikre, les niveaux de lumikre en surface diminueraient, les nutriments augmenteraient dans le sol et la biomasse du S. nutans augmenterait aux dCpens de celles des P. plicatulrttn et S. scopnrium.

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Effect of Time of Cutting on Yield and Botanical Composition of Prairie Hay in Southeastern Nebraska

Cited by 11 publications

References 5 publications

Response of an Irrigated Cool- and Warm-Season Grass Mixture to Nitrogen and Harvest Scheme

Response of an Irrigated Cool- and Warm-Season Grass Mixture to Nitrogen and Harvest Scheme

Livestock Grazing Impacts on Public Lands: A Viewpoint

Changes in species biomass in the Coastal Prairie of Texas when light and nutrients are altered

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