Relevant bibliographies by topics / Pasture sampling

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Pasture sampling'

Author: Grafiati
Published: 4 June 2021
Last updated: 5 February 2022

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Journal articles on the topic "Pasture sampling"

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BOYARD, C., J. BARNOUIN, P. GASQUI, and G. VOURC'H. "Local environmental factors characterizing Ixodes ricinus nymph abundance in grazed permanent pastures for cattle." Parasitology 134, no. 7 (2007): 987–94. http://dx.doi.org/10.1017/s0031182007002351.

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SUMMARYAlthough Ixodes ricinus ticks are mainly associated with woodland, they are also present in open habitat such as pastures. The distribution of nymphal I. ricinus was monitored by drag sampling the vegetation in May–June 2003 on 61 grazed permanent pastures for cattle located in central France. After selecting explanatory variables from among a set of 155, tick abundance was modelled on the perimeter of the pasture using a negative binomial model that took into account data overdispersion. An abundant tree layer at the perimeter of the pasture associated with a high humidity before sampl
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McCaughey, W. P., K. Wittenberg, and D. Corrigan. "Impact of pasture type on methane production by lactating beef cows." Canadian Journal of Animal Science 79, no. 2 (1999): 221–26. http://dx.doi.org/10.4141/a98-107.

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In order to determine the quantity of methane (CH4) produced by lactating beef cows on pasture, 16 Hereford–Simmental first-calf heifers with a mean weight of 511.2 ± 5.8 kg were randomly selected from a larger group of cows (n = 60) on a grazing management experiment and used to evaluate the effects of pasture type on ruminal CH4 production using the sulfur hexafluoride (SF6) tracer-gas technique. Pasture treatments consisted of two pasture types, alfalfa-grass [78% alfalfa (Medicago sativa L.) – 22% meadow bromegrass (Bromus biebersteinii Roem and Schult.)] or 100% meadow bromegrass at each
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Hutchinson, K. J., D. R. Scobie, J. Beautrais, et al. "A protocol for sampling pastures in hill country." Journal of New Zealand Grasslands 78 (January 1, 2016): 203–9. http://dx.doi.org/10.33584/jnzg.2016.78.511.

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To develop a protocol to guide pasture sampling for estimation of paddock pasture mass in hill country, a range of pasture sampling strategies, including random sampling, transects and stratification based on slope and aspect, were evaluated using simulations in a Geographical Information Systems computer environment. The accuracy and efficiency of each strategy was tested by sampling data obtained from intensive field measurements across several farms, regions and seasons. The number of measurements required to obtain an accurate estimate was related to the overall pasture mass and the topogr
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Heard, J. W., S. A. Francis, and P. T. Doyle. "Nutritive characteristics of annual species in irrigated pasture in northern Victoria." Australian Journal of Experimental Agriculture 46, no. 8 (2006): 1015. http://dx.doi.org/10.1071/ea04268.

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We examined changes in estimated metabolisable energy (ME), crude protein (CP) and neutral detergent fibre (NDF) concentrations of irrigated annual pastures through winter and spring in 2002. The types of pastures sampled were ‘high’ subterranean clover (HS, at least 800 g/kg DM clover), ‘low’ subterranean clover (LS, about 400 g/kg DM clover) and ‘low’ Persian clover (LP, about 500 g/kg DM clover). Estimates were also made of selection differentials, namely the nutrient concentration in the pasture fraction likely to be consumed expressed as a proportion of the nutrient concentration in the w
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McFarlane, JD, GJ Judson, and J. Gouzos. "Copper deficiency in ruminants in the South East of South Australia." Australian Journal of Experimental Agriculture 30, no. 2 (1990): 187. http://dx.doi.org/10.1071/ea9900187.

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Pasture development in the South East of South Australia has depended upon trace element enriched fertiliser applications. Despite the wide usage of copper-enriched fertilisers, copper deficiency is still evident in livestock at pasture, particularly cattle. Serum collected from cows and heifers during the systematic sampling program of the Brucellosis and Tuberculosis Eradication Scheme was analysed for copper. Of the 3611 pooled herd samples analysed, approximately 9% had low serum copper concentrations (<7 �mol/L). Distribution of those herds identified to be at risk of copper deficiency
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Serrano, João, Shakib Shahidian, Francisco Moral, Fernando Carvajal-Ramirez, and José Marques da Silva. "Estimation of Productivity in Dryland Mediterranean Pastures: Long-Term Field Tests to Calibration and Validation of the Grassmaster II Probe." AgriEngineering 2, no. 2 (2020): 240–55. http://dx.doi.org/10.3390/agriengineering2020015.

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The estimation of pasture productivity is of great interest for the management of animal grazing. The standard method of assessing pasture mass requires great effort and expense to collect enough samples to accurately represent a pasture. This work presents the results of a long-term study to calibrate a Grassmaster II capacitance probe to estimate pasture productivity in two phases: (i) the calibration phase (2007–2018), which included measurements in 1411 sampling points in three parcels; and (ii) the validation phase (2019), which included measurements in 216 sampling points in eight parcel
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McNeill, M. R., and C. Van_Koten. "Weevils in pasture a comparison of sampling techniques." New Zealand Plant Protection 64 (January 8, 2011): 284. http://dx.doi.org/10.30843/nzpp.2011.64.5987.

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This study compared four methods to quantitatively sample adult Listronotus bonariensis and Sitona lepidus (both Coleoptera Curculionidae) in dairy pasture with a view of determining an appropriate sampling method for accurate population estimation in terms of weevils/m2 Collections were made by one of three vacuum methods a vacuum cleaner to take 12 02 m2 quadrats a Vortis (24 16 cm diameter 002 m2) or blowervac (30 m ca 11 cm diameter 327 m2) to suck the weevils from the soil surface; or by taking turf cores (48 10 cm diameter 000785 m2) with extraction of weevils using a Berlesse funnel The
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McCown∗, S., J. Ringler, K. Watson, B. Cassill, J. Stine, and L. Lawrence. "Sampling Factors Affecting Carbohydrate Measurements in Pasture Grasses." Journal of Equine Veterinary Science 29, no. 5 (2009): 410–11. http://dx.doi.org/10.1016/j.jevs.2009.04.109.

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Mudge, P. L., L. A. Schipper, W. T. Baisden, A. Ghani та R. W. Lewis. "Changes in soil C, N and δ15N along three forest–pasture chronosequences in New Zealand". Soil Research 52, № 1 (2014): 27. http://dx.doi.org/10.1071/sr13183.

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Changes in total soil carbon (C), nitrogen (N) and natural-abundance N isotopes (δ15N) were measured along three forest-to-pasture chronosequences on pumice soils in the Central North Island of New Zealand. On each of the three chronosequences, exotic pine forests had been converted to intensive dairy pastures 2–11 years before sampling and samples were also taken from remaining pine forests and long-term pastures (40–80 years old). The primary objective of the study was to test the hypothesis that surface-soil δ15N would increase over time following conversion of forest to pasture, due to gre
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Batson, M.-G. "Effect of pasture renovation on the size and composition of the germinable fraction of the seed pool beneath bent grass (Agrostis castellana) pastures in southern Victoria." Australian Journal of Agricultural Research 50, no. 1 (1999): 87. http://dx.doi.org/10.1071/a98026.

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This paper investigated the potential for propagation of grass weeds from seed by measuring changes in the size and composition of the germinable fraction of the seed pool beneath 4 bent grass (Agrostis castellana) pastures in southern Victoria during renovation. Soil samples, for the estimation of the seed pool by seedling emergence in the glasshouse, were taken from a control and a renovated pasture on 3 occasions during renovation at each of the 4 sites. The depth distribution of seeds in the top 0–100 mm was assessed by dividing collected soil samples into depths of 0–30 mm and 30–100 mm.
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Dissertations / Theses on the topic "Pasture sampling"

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Fletcher, Donald Bryden, and N/A. "Population Dynamics of Eastern Grey Kangaroos in Temperate Grasslands." University of Canberra. Resource, Environmental & Heritage Sciences, 2006. http://erl.canberra.edu.au./public/adt-AUC20070808.152438.

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This thesis is about the dynamics of eastern grey kangaroo (Macropus giganteus) populations and their food supplies in temperate grasslands of south-eastern Australia. It is based on the study of three populations of eastern grey kangaroos inhabiting �warm dry�, �cold dry�, and �warm wet� sites within the Southern Tablelands climatic region. After a pilot survey and methods trial in early 2001, the main period of study was from August 2001 to July 2003. The study populations were found to have the highest densities of any kangaroo populations, 450 to 510 km-2. Their density was the same at the
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Rotz, Jonathan Daniel. "Comparison of techniques for estimating pasture herbage mass and productive ground cover for Lakota prairie grass, Kentucky 31 endophyte free tall fescue, Kentucky 31 endophyte infected tall fescue and Quantum 542 tall fescue grazed by stocker steers." Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/42188.

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In terms of acreage, forage is the number one crop in Virginia. The backbone of these forages has long been tall fescue (Lolium arundinaceum (Schreb.) S.J. Darbyshire). Knowledge of the plant species that make up a pasture and the relative amounts of each species present is important for interpreting potential animal performance. It is also important to know the relative amounts and types of weeds present and to monitor for the presence of poisonous plants or noxious weeds. An experiment was conducted in 2003 through 2005 to investigate botanical composition and yield of â Lakotaâ prair
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Pullin, Allison Nicole. "The Effect of Environment and Social Dynamics on Lamb Behavior." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1492511346580333.

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Books on the topic "Pasture sampling"

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Davidson, Eric A. Completing below-ground carbon budgets for pastures, recovering forests and mature forests of Amazonia: Second annual report, August 1, 1994 to March 31, 1995. National Aeronautics and Space Administration, 1995.

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C, Nepstad Daniel, Trumbore Susan E, and United States. National Aeronautics and Space Administration., eds. Completing below-ground carbon budgets for pastures, recovering forests and mature forests of Amazonia: Second annual report, August 1, 1994 to March 31, 1995. National Aeronautics and Space Administration, 1995.

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C, Nepstad Daniel, Trumbore Susan E, and United States. National Aeronautics and Space Administration., eds. Completing below-ground carbon budgets for pastures, recovering forests and mature forests of Amazonia: Second annual report, August 1, 1994 to March 31, 1995. National Aeronautics and Space Administration, 1995.

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Completing below-ground carbon budgets for pastures, recovering forests and mature forests of Amazonia: First annual status report, August 1, 1993 to May 31, 1994. National Aeronautics and Space Administration, 1994.

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Book chapters on the topic "Pasture sampling"

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Marshall, D. R., and A. H. D. Brown. "Sampling wild legume populations." In Genetic Resources of Mediterranean Pasture and Forage Legumes. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4776-7_7.

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Changa, Taity, Jane Asiyo Okalebo, and Shaokun Wang. "Spatio-Temporal Dynamics of Soil Microbial Communities in a Pasture: A Case Study of Bromus inermis Pasture in Eastern Nebraska." In Agrometeorology [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.93548.

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Today’s intensified agricultural production is characterized by crop and pasture monocultures, which have a significant impact on soil microbial diversity and abundance. This chapter provides a case study in which the relative importance of brome grass (Bromus inermis) monoculture pasture versus intra-site microhabitat diversity is explored using fatty acid methyl ester (FAMEs) assay to delineate the presence and abundance of several classes of soil microbes instrumental in soil nutrient cycling, plant health, plant organic matter decomposition, and soil stabilization. The chapter explores spatio-temporal variability of bacteria, actinomycetes, saprophytes, mycorrhizae, and micro-eukaryotes over two durations (summer and fall) collected using two distinct sampling methods. One of the methods is commonly employed, namely, transect-based, while the other is informed by soil electroconductivity measurements conducted over the entire pasture site from a previous survey.
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Dixhoorn, Chad Van. "God’s Physicians." In Church Life. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198753193.003.0005.

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In accordance with its mandate from Parliament, the one hundred and twenty pastors brought together by the Westminster Assembly discussed doctrinal, disciplinary, and liturgical matters. Inevitably members of the gathering also found frequent occasion to disagree about best pastoral practice for parishioners struggling with sin, sickness, and ignorance. This chapter uses the viewpoints and arguments of Assembly members in a case study of seventeenth-century ideals regarding the pastor as godly shepherd and physician. Naturally the debates of a ten-year synod may not offer the best sampling of real-life pastoral perspectives. Thus this chapter sources its materials not only from the minutes of the Assembly but also from the personal papers and published works of its individual members. What emerges is a rich yet reliable picture of the range of perspectives on congregational care that obtained at the Westminster Assembly during some of the most critical years of the mid seventeenth century.
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Gomes Bordon, Natali, Niwton Leal Filho, and Tony Vizcarra Bentos. "Ecology of the Seed Bank in the Amazon Rainforest." In Ecosystem and Biodiversity of Amazonia. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.94745.

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The seed bank is directly related to forest resilience because it contributes to the greatest number of regenerants after the occurrence of disturbances. Changes in seed density, floristic composition, and life forms completely alter the successional trajectory of forest environments. These changes are directly related to land use. For example, suppression of the seed bank can occur in pastures, that experience frequent fires with increase of density of seeds and predominance of herbs are typical of highly degraded areas, such as Poaceae, Rubiaceae, Asteraceae, and Cyperaceae. Melastomataceae seedlings are an important component of the seed bank in the Amazon rainforest. On the other hand, Urticaceae has greater representation in forests that exhibit low-impact land use. Any change in seed bank functionality is bound to compromise the diversity, regeneration potential and overall maintenance of tropical forests. Therefore, it is necessary to expand studies that investigate seed banks in the Amazon rainforest. It is as important to prioritize sampling methods and pursue standardization of data presentation, as well as improve the identification of species that occur in the seed bank.
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Conference papers on the topic "Pasture sampling"

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VALÁŠEK, Petr, Miroslav MÜLLER, and Michaela JAMELSKÁ. "THE INFLUENCE BREEDING ON THE MECHANICAL PROPERTIES OF THE HOOF HORN IN CZECH WARMBLOOD HORSES." In Rural Development 2015. Aleksandras Stulginskis University, 2015. http://dx.doi.org/10.15544/rd.2015.003.

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The aim of this experiment was to compare the mechanical properties of the hoof horn of horses, mainly Czech warmblood, in relation to their stabling conditions – explicitly, grazing farming (pasture) with deep bedding stables. The sampling of the hoof horn was always made after a change of the horse´s stabling method. This paper assesses the changes in some mechanical properties of the hoof as a result of changes in their stabling environment. Moreover, the hardness, the wear resistance and the impact resistance of the hoof horn was evaluated. The results of the experiment showed a statistica
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Kutlakhmedov, Yu, V. Davydchyk, A. Jouve, and N. Grytsiuk. "Evaluation the Efficacy of the Turf-Cutter Soil Decontamination Technology." In ASME 2001 8th International Conference on Radioactive Waste Management and Environmental Remediation. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/icem2001-1167.

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Abstract The testing begun in the framework of the CEC project ECP-4 “Decontamination technologies and strategies” have allowed to develop and to test new technology of the polluted soils decontamination by removal of the thin turf layer by the vibrating blade of the special machine (Turf-Cutter). The experiments were conducted at the radioactively contaminated soils of Ukraine and Belarus during 1992–2000. The machine “TURF HARVESTER” (USA) was used in the experiment. The first testing of the method was conducted on the well turfed radioecological polygon “Buryakovka”, 4 km from the Chernobyl
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Vergeest, Joris S. M., Imre Horváth, and Sander Spanjaard. "A Methodology for Reusing Freeform Shape Content." In ASME 2001 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/detc2001/dtm-21708.

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Abstract The reuse of precedent designs is a significant profit factor in new product development. In industry there is a tendency to enhance the reuse process by applying digital scanning of 3D parts, sampling imported, normative CAD models or by deploying a digital library of design concepts. The data thus obtained should be inserted into the design model. The available techniques typically originate from reverse engineering applications. However, to support shape reuse during conceptual design a dedicated methodology and workflow are needed. Using our methodology, the designer selects exist
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