Soil Characteristics and Grass Rooting Habits of Two Soil Types in East-Central Texas

Amburg, G. L. Van; Dodd, J.

doi:10.2307/3669536

Cited by 4 publications

(1 citation statement)

References 8 publications

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“…The Tabor fine sandy loam soil is low in natural fertility, whereas the HeidenHunt clay complex is a soil of reported moderate natural fertility (Mowery et al 1958). Van Amburg and Dodd (1970) have reported on the physical and chemical properties of these two soil types.…”

Section: Description Of Areamentioning

confidence: 99%

Distribution of Cs 134 in Andropogon Scoparius Michx. Clones in Two Native Habitats

Dodd

Amburg

1970

Ecology

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Cesium—134 distribution in native Andropogon scoparius clones and in single tillers indicates that each clone consists of a group of tillers each acting as individual plants. Two zones of concentration occur: the upper 5 cm of the roots and the inflorescence, including the florets. Cesium transport from the foliage to the upper portion of the roots occurs with fall dormancy. With the initiation of spring growth the mineral is exported from the roots to the expanding leaf blades. Cesium activity within the plants growing on the Heiden—Hunt clay soil decreases more with time than in plants growing on Tabor fine sandy loam.

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Section: Description Of Areamentioning

confidence: 99%

Distribution of Cs 134 in Andropogon Scoparius Michx. Clones in Two Native Habitats

Dodd

Amburg

1970

Ecology

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Ecosystem Analysis of the Tallgrass Prairie: Nitrogen Cycle

Risser¹,

Parton²

1982

Ecology

123

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Nitrogen cycling in tallgrass prairie was studied by using nitrogen content and concentration data for various ecosystem components on grazed and ungrazed tallgrass prairie in northeast Oklahoma. The seasonal dynamics of N in various plant parts was described, and the annual flow of N among different compartments was calculated. A simulation model was used to study the effect of grazing, fertilization, irrigation, and fire on nitrogen cycling. The results show that grazing, fertilization, and irrigation increase the nitrogen cycling rates. Annual spring fires reduce plant uptake and mineralization of N from plant parts, while mineralization of N from organic matter is increased.

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Net Aerial Primary Production of an Andropogon-Paspalum Grassland Ecosystem

Britton¹,

Dodd²,

Weichert³

1978

Journal of Range Management

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Highlight: Changes in net aerial primary production as influenced by selected environmental parameters were evaluated in a grassland ecosystem for the 1973 and 1974 growing seasons. Biomass weight was estimated for phenologically determined harvest intervals. Efficiency of converting solar energy to chemical energy was determined. Between years, precipitation was the dominant environmental parameter associated with production. The quantity was not as critical as the date and the resultant effect on available soil water. Increments of production followed a monomodal pattern similar to yearly trends in soil temperature and solar radiation. Deviations in production from this monomodal pattern were related to available soil water and soil water deficit. Total production during 1973 (ca. 400 g m-2) was approximately 100 g m-2 higher than in 1974. This difference was due primarily to lower available soil water during early spring and a 4-week longer summer dry period in 1974. Based on measurements of photosynthetically active radiation, energy values, and production, the growing season conversion efficiencies were 0.34% in 1973 and 0.23% in 1974. The highest conversion efficiencies for a harvest interval occurred each year during June: 0.87% in 1973 and 0.59% in 1974.

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Soil Characteristics and Grass Rooting Habits of Two Soil Types in East-Central Texas

Cited by 4 publications

References 8 publications

Distribution of Cs 134 in Andropogon Scoparius Michx. Clones in Two Native Habitats

Distribution of Cs 134 in Andropogon Scoparius Michx. Clones in Two Native Habitats

Ecosystem Analysis of the Tallgrass Prairie: Nitrogen Cycle

Net Aerial Primary Production of an Andropogon-Paspalum Grassland Ecosystem

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