Estimating Forage Yield <i>in situ</i><sup>1</sup>

Teare, I. D.; Mott, G. O.

doi:10.2135/cropsci1965.0011183x000500040002x

Cited by 6 publications

(3 citation statements)

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“…The beta attenuation technique was introduced by workers at Purdue University , Teare and Mott 1965, Teare et al 1965) for crops and pastures. Basically, the method involves emitting p-particles on one side of a plot and then counting the particles which emerge on the other side of the plot.…”

Section: Beta Attenuation Techniquementioning

confidence: 99%

Rangeland vegetation productivity and biomass

Pieper¹

1988

Vegetation Science Applications for Rangeland Analysis and Management

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Herbage weight or biomass is an important characteristic for range vegetation since it supports directly or indirectly all consumer groups. Plant biomass is also important as a measure of dominance in plant communities. Many methods have been devised to estimate plant biomass, but all have some limitations. Estimation techniques, either by plot or plant, often involve a double sampling procedure to improve on the estimates. Direct harvesting is a destructive sampling procedure which is often used when biomass is the response measured in research studies. Precipitation has been used as an independent variable to predict end-of-season biomass. However, considerable data are necessary to develop reliable relationships. Capacitance meters, biomass meters, and p-attenuation techniques have promise for specific situations, but have not received widespread support among range researchers and ecologists. All these techniques require considerable calibration before they can be used for specific situations. Plant biomass data are useful for establishing dominance of individual species, estimating livestock stocking rates, and determining range condition. IntroductionMeasurement of plant biomass or standing crop has been of interest to range workers for some time because herbivores depend directly upon plant biomass for their food. Interest in production ecology is of more recent emphasis by plant ecologists, particularly during the International Biological Program Studies during the 1970's (Milner and Hughes 1968). These studies illustrate the importance of plant biomass as an indicator of general ecological importance of individual plants and communities.

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Section: Beta Attenuation Techniquementioning

confidence: 99%

Rangeland vegetation productivity and biomass

Pieper¹

1988

Vegetation Science Applications for Rangeland Analysis and Management

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“…For different pasture types, individual prediction equations were suggested (Campbell et al, 1962). Mott et al (1965) adapted the beta ray attenuation technique to estimate forage yield in situ , and found that the instrument readings were unaffected by either crop or moisture variables in determining beta attenuation coefficients. Barta and Teare (1968) observed that only one standard yield calibration curve was needed to estimate green forage yields at any moisture percentage.…”

Section: Determination Of Yieldmentioning

confidence: 99%

“…Neal and Neal (1973) presented a review of the advantages and 1 imitations of several types of forage meters for the nondestructive estimation of forage yield. The idea of estimating bulk density (Alexander et al, 1962) and its expression as a function of density and height (Teare and Mott, 1965) prompted the development of the calibrated disc of Phillips and Clarke (1971)…”

Section: Determination Of Yieldmentioning

confidence: 99%

The influence of grazing intensity on the performance of tropical grasses /

Adjei¹

1978

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Relationships between average daily gain, gain/ha and stocking rate on stargrasses. 88 5. Relationship between average daily gain and grazing pressure on UF-5 stargrass. 97 6. Relationship between average daily gain and grazing pressure on UF-4 stargrass. 98 7. Relationship between average daily gain and grazing pressure on McCaleb stargrass. 99 8. Relationship between average daily gain and residual grazing pressure on five tropical grass entries. 102 9. Total nonstructural carbohydrate found in the stubble and roots of UF-5 stargrass during a summer and fall grazing cycle following three stocking rates. 106 10. The effect of stocking rate on total nonstructural Carbohydrate in the stubble and roots of UF-5 stargrass during summer. 108 11. The effect of stocking rate on total nonstructural carbohydrate in the stubble and roots of UF-5 stargrass during fall. 109 Total nonstructural carbohydrate found in the stubble and roots of UF-4 stargrass during a summer and fall grazing cycle following three stocking rates. Ill xi i 12. 19. Total nonstructural carbohydrate in the stubble and roots of Pensacola bahiagrass during a summer and fall grazing cycle at the medium stocking rate.

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Biomass

2013

Measurements for Terrestrial Vegetation

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Estimating Forage Yield in situ¹

Cited by 6 publications

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Rangeland vegetation productivity and biomass

Rangeland vegetation productivity and biomass

The influence of grazing intensity on the performance of tropical grasses /

Biomass

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Estimating Forage Yield in situ1

Cited by 6 publications

References 0 publications

Rangeland vegetation productivity and biomass

Rangeland vegetation productivity and biomass

The influence of grazing intensity on the performance of tropical grasses /

Biomass

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Estimating Forage Yield in situ¹