Clipping Frequency and Fertilization Influence Herbage Yields and Crude Protein Content of 4 Grasses in South Texas

Mutz, J.L.; Drawe, D. Lynn

doi:10.2307/3898345

Cited by 17 publications

(13 citation statements)

References 4 publications

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“…On a site near Kingsville, Tex. with an average annual precipitation of 640 mm, maximum, single-harvest annual yields of C. Ciliaris on plots receiving 156 and 44 or more kg ha-' N and P, respectively, were maximized near 3000 kg ha-' (Mutz and Drawe 1983), about the same as the maximum yields in this study.…”

Section: There Is No Known Explanation For This Combination Of Yield supporting

confidence: 67%

Productivity of Cenchrus Ciliaris in Relation to Rain-Fall and Fertilization

Rao¹,

Singh²,

Wight³

1996

Journal of Range Management

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Section: There Is No Known Explanation For This Combination Of Yield supporting

confidence: 67%

Productivity of Cenchrus Ciliaris in Relation to Rain-Fall and Fertilization

Rao¹,

Singh²,

Wight³

1996

Journal of Range Management

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“…9, No. 1 (Mutz andDrawe 1983, Dodd andHopkins 1985), increased tillering (Floate 1981), and increased rhizome production (Schuman et al 1990), and possibly stimulates root respiration and root exudation rates (Dyer and Bokhari 1976). Increased production rates and greater C allocation to the belowground portions of the system may explain the patterns we observed.…”

Section: Discussionmentioning

confidence: 78%

“…Blue grama, with a typically dense but shallow rooting system, increased under heavy grazing. 1 (Mutz andDrawe 1983, Dodd andHopkins 1985), increased tillering (Floate 1981), and increased rhizome production (Schuman et al 1990), and possibly stimulates root respiration and root exudation rates (Dyer and Bokhari 1976). Coupland and Van Dyne (1979) reported that blue grama-dominated grasslands transfer more of the energy contained in net primary production to underground plant parts than does mixed-grass prairie.…”

Section: Discussionmentioning

confidence: 99%

Impact of Grazing Management on the Carbon and Nitrogen Balance of a Mixed-Grass Rangeland

Schuman¹,

Reeder²,

Manley³

et al. 1999

Ecological Applications

119

199

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Rangeland grazing management strategies have been developed in an effort to sustain efficient use of forage resources by livestock. However, the effects of grazing on the redistribution and cycling of carbon (C) and nitrogen (N) within the plant-soil system are not well understood. We examined the plant-soil C and N balances of a mixedgrass rangeland under three livestock stocking rates using an area that had not been grazed by domestic livestock for more than 40 years. We established nongrazed exclosures and pastures subjected to continuous season-long grazing at either a light stocking rate (20 steer-days/ha) or a heavy stocking rate (59 steer-days/ha, ϳ50% utilization of annual production). Twelve years of grazing under these stocking rates did not change the total masses of C and N in the plant-soil (0-60 cm) system but did change the distribution of C and N among the system components, primarily via a significant increase in the masses of C and N in the root zone (0-30 cm) of the soil profile. The mass of soil C (0-60 cm) under heavy grazing was comparable to that of the light grazing treatment. Grazing at the heavy stocking rate resulted in a decrease in peak standing crop (PSC) of aboveground live phytomass, an increase in blue grama (Bouteloua gracilis [H.B.K.] Lag. Ex Steud.), and a decrease in western wheatgrass (Pascopyrum smithii [Rydb.] A. Love) compared to the light grazing treatment. The dominant species under light grazing was western wheatgrass, whereas in the nongrazed exclosures, forbs were dominant and appeared to have increased at the expense of western wheatgrass. The observed increase of soil C and N in the surface soil where roots dominate indicates a greater opportunity for nutrient availability and cycling, and hence enhanced grazing quality.

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“…This agrees with the findings of Bogdan (1977) who reported the response of C. ciliaris to P and N application. The significant yield response of C. ciliaris to the use of N and P fertilisers was also reported by other researchers (Mutz and Drawe 1983, Wiedenfeld et al 1985, Rao et al 1996. It is, however, not practical to advocate the use of fertiliser taking into account its cost.…”

Section: Grass Speciesmentioning

confidence: 64%

The effect of mulching and fertilising on growth of over-sown grass species in degraded rangeland in north-eastern Ethiopia

Gebremeskel¹,

Pieterse²

2008

African Journal of Range & Forage Science

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A study to investigate oversowing of grass species as a restoration strategy in severely degraded rangeland was carried out in the Allaidege rangeland in north-eastern Ethiopia. Locally collected seeds of three grass species (Enteropogon rupestris, Ischaemum afrum and Tragus berteronianus) and imported seeds of three additional species (Cenchrus ciliaris, Chloris gayana and Panicum coloratum) were oversown in a severely degraded area of the rangeland to improve cover and grazing capacity of the rangeland. The effect of combinations of inorganic fertiliser, manure and grass mulch on the dry matter production of the grass species sown at 4 kg ha -1 in strips in a 10 m X 10 m plot was determined. The experiment was a randomised complete block design with eight factorially combined treatment combinations randomly applied and replicated three times. All the sown species showed significant positive responses to the mulch treatment, but not to the other treatments or treatment combinations. Ischaemum afrum and T. berteronianus produced significantly more dry matter (900 kg ha -1 and 800 kg ha -1 , respectively) than the other species. The results emphasised the importance of mulching to restore degraded patches in arid and semi-arid environmental conditions.

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Clipping Frequency and Fertilization Influence Herbage Yields and Crude Protein Content of 4 Grasses in South Texas

Cited by 17 publications

References 4 publications

Productivity of Cenchrus Ciliaris in Relation to Rain-Fall and Fertilization

Productivity of Cenchrus Ciliaris in Relation to Rain-Fall and Fertilization

Impact of Grazing Management on the Carbon and Nitrogen Balance of a Mixed-Grass Rangeland

The effect of mulching and fertilising on growth of over-sown grass species in degraded rangeland in north-eastern Ethiopia

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