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1

Riffkin, Penelope A. "An assessment of white clover nitrogen fixation in grazed dairy pastures of south-western Victoria." Thesis, [Richmond, N.S.W.] : University of Western Sydney, Hawkesbury, 1999. http://handle.uws.edu.au:8081/1959.7/31.

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Australia is amongst the more efficient milk producers in the world.Milk production in the region of south-western Victoria relies mainly on rainfed white clover/perennial ryegrass pastures.As the demand for efficient and competitive milk production increases, the value of N2 fixation must be maximised. The objective of this thesis was to assess N2 fixation in grazed dairy pastures in south-western Victoria. Several tests and experiments were conducted and results noted. Studies revealed low white clover yields to be the major factor limiting N2 fixation in the region. For N2 fixation to have
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2

Riffkin, Penelope A., of Western Sydney Hawkesbury University, and Faculty of Science and Technology. "An assessment of white clover nitrogen fixation in grazed dairy pastures of south-western Victoria." THESIS_FST_xxx_Riffkin_P.xml, 1999. http://handle.uws.edu.au:8081/1959.7/31.

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Australia is amongst the more efficient milk producers in the world.Milk production in the region of south-western Victoria relies mainly on rainfed white clover/perennial ryegrass pastures.As the demand for efficient and competitive milk production increases, the value of N2 fixation must be maximised. The objective of this thesis was to assess N2 fixation in grazed dairy pastures in south-western Victoria. Several tests and experiments were conducted and results noted. Studies revealed low white clover yields to be the major factor limiting N2 fixation in the region. For N2 fixation to have
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3

Cho, Hyojin. "A study of transcript profiling of soybean roots during nitrogen fixing symbiosis." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/5915.

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Thesis (M.S.)--University of Missouri-Columbia, 2006.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on May 7, 2009) Includes bibliographical references.
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4

He, Xinhua. "Nitrogen exchange between plants through common mycorrhizal networks /." [St. Lucia, Qld.], 2002. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18272.pdf.

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5

Devkota, Dibya. "Habitat, isolation, identification and nitrogen fixation of Rhizobiaceae associated with rangeland legumes from Wyoming, USA." Laramie, Wyo. : University of Wyoming, 2007. http://proquest.umi.com/pqdweb?did=1313917311&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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6

Rana, Debashis. "The nitrogen-fixing symbiosis between Rhizobium sp. sin-1 and Sesbania spp. /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9842559.

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7

Burn, Joanne Elizabeth. "Analysis of the regulatory nodulation gene nodD of rhizobium leguminosarum." Thesis, University of East Anglia, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329095.

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8

Miller, Simon Hugh, and n/a. "Genetic basis for the host-specific nitrogen fixation phenotype of Caucasian clover rhizobia." University of Otago. Department of Microbiology, 2006. http://adt.otago.ac.nz./public/adt-NZDU20070306.155157.

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Trifolium ambiguum (Caucasian clover) is being released in New Zealand for use in areas where growth of T. repens (white clover) is marginal. Although closely related to T. repens, T. ambiguum has unique and highly specific nodulation requirements and as rhizobial strains capable of effectively nodulating T. ambiguum are not naturally found in New Zealand soils, they must be introduced with the seed. Rhizobium leguminosarum bv. trifolii strains such as ICC105 form effective nodules on T. ambiguum but ineffective (Fix⁻) nodules on T. repens. The T. repens nodules nevertheless develop normally a
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9

Abi-Ghanem, Rita. "Optimizing biological nitrogen fixation and evaluating Iraqi extension education." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Dissertations/Summer2009/R_Abi-Ghanem_070909.pdf.

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10

Thorne, Stephen Howard. "Stationary phase survival of Rhizobium leguminosarum." Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265401.

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11

Burgoyne, Tricia A. "Free living nitrogen-fixation in ponderosa pine/Douglas-fir forests of western Montana." Connect to this title online, 2007. http://etd.lib.umt.edu/theses/available/etd-05302007-085002/.

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12

Riffkin, Penelope A. "An assessment of white clover nitrogen fixation in grazed dairy pastures of South-Western Victoria /." [Richmond, N.S.W.] : University of Western Sydney, Hawkesbury, 1999. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030528.152118/index.html.

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13

Shah, Ritu. "Role of bacterial NADP dependent isocitrate dehydrogenase in the Bradyrhizobium japonicum and soybean symbiosis /." free to MU campus, to others for purchase, 2003. http://wwwlib.umi.com/cr/mo/fullcit?p3115604.

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14

Ditsch, David C. "Fate of ¹⁵N-depleted fertilizer N in a corn-rye cropping sequence: plant uptake and soil distribution." Diss., Virginia Tech, 1991. http://hdl.handle.net/10919/37238.

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15

Mirza, Babur S. "Saprophytic growth and fate of Frankia strains in soil /." View online, 2009. http://ecommons.txstate.edu/dissertations/AAI3384734/.

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16

Lotfollahi, Mohammad. "The effect of subsoil mineral nitrogen on grain protein concentration of wheat." Title page, table of contents and summary only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phl882.pdf.

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Copy of author's previously published work inserted. Bibliography: leaves 147-189. This project examines the uptake of mineral N from the subsoil after anthesis and its effect on grain protein concentration (GPC) of wheat. The overall objective is to examine the importance of subsoil mineral N and to investigate the ability of wheat to take up N from the subsoil late in the season under different conditions of N supply and soil water availability. Greenhouse experiments investigate the importance of subsoil mineral N availability on GPC of wheat and the factors that contribute to the effective
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17

Qu, Wenchuan. "Studies on nitrogen cycling processes in Lake Illawarra, New South Wales, Australia." Access electronically, 2004. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20050302.161641/index.html.

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18

Berdugo, Silvia Eugenia Barrera. "Fixação biológica de N2 e diversidade de bactérias diazotroficas numa Floresta de Restinga." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-20092012-101012/.

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Diazotróficos de vida-livre podem ser encontradas associadas à filosfera, dermosfera e rizosfera das espécies vegetais. Alguns dados sugerem que a fixação biológica de N2 (FBN) por bactérias assimbióticas representa uma entrada importante de nitrogênio nos ecossistemas tropicais, variando com as espécies vegetais e nas diferentes partes da planta. O presente trabalho teve como objetivos estimar a quantidade de N2 fixado de forma assimbiótica na filosfera, dermosfera e rizosfera sobre a copa das espécies vegetais Guapira oposita e Euterpe edulis, e avaliar a diversidade das bactérias assimbióti
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19

Tufail, Muhammad Aammar. "Use of plant growth promoting endophytic bacteria to alleviate the effects of individual and combined abiotic stresses on plants as an innovative approach to discover new delivery strategies for bacterial bio-stimulants." Doctoral thesis, Università degli studi di Trento, 2021. http://hdl.handle.net/11572/305571.

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Bacterial endophytes are the organisms that live inside the plant for a full or a part of their life cycle. Endophytic bacteria have captured the interest of agriculture industry due to their plant beneficial properties, such as synthesis of phytohormones, solubilization of soil nutrients, and alleviation of biotic and abiotic stresses. Several studies have reported that stress tolerant endophytic bacteria can work with a similar performance as non-stressed conditions when inoculated to the plants under stressed conditions. Combination of abiotic stresses such as salinity, drought and low nitr
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20

Tozer, Wade. "Nitrogen isotope variation in the environment : implications for interpretation /." 2006. http://adt.waikato.ac.nz/public/adt-uow20070124.124737/index.html.

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21

Ndiaye, Aissatou. "Impact of a red clover winter cover crop on carbon and nitrogen mineralization by microorganisms in soil aggregates." Thesis, 1998. http://hdl.handle.net/1957/33785.

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Although legumes have been widely studied for their nitrogen-fixing ability, it is uncertain to what extent legume cover crops achieve their nitrogen-fixing potential under the climatic conditions encountered in western Oregon. Furthermore, it is unknown what factors control the proportions of legume cover crop N that are either sequestered into soil organic matter, or that contribute to the N requirements of the following summer crop. Soil was sampled in mid-September 1997, after harvest of a summer broccoli crop, from plots located at the North Willamette Research and Extension Center, Auror
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22

Kifle, Medhin Hadish. "Development of free-living diazotrophic (FLD) inoculants and their effects on crop growth." Thesis, 2008. http://hdl.handle.net/10413/5277.

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In this study several free-living diazotrophs (FLD) were isolated and screened for their nitrogen fixing ability on a range of crops grown in greenhouse, hydroponics and field trials. Rhizosphere isolates of free-living diazotrophs (FLD) may be effective biofertilizer inoculants, and may improve plant health where crops are grown with little or no fertilizer, as is the case in the Developing World. FLD isolates from rhizospheric soils in KwaZulu-Natal were assessed by growing them on N-free media, which is a key isolation method. They were then evaluated for their nitrogenase activity by quant
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23

Lotfollahi, M. "The effect of subsoil mineral nitrogen on grain protein concentration of wheat / by Mohammad Lotfollahi." 1996. http://hdl.handle.net/2440/18896.

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Copy of author's previously published work inserted.<br>Bibliography: leaves 147-189.<br>xxi, 189 leaves : ill. (some col.) ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>This project examines the uptake of mineral N from the subsoil after anthesis and its effect on grain protein concentration (GPC) of wheat. The overall objective is to examine the importance of subsoil mineral N and to investigate the ability of wheat to take up N from the subsoil late in the season under different conditions of N supply and s
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24

Farr, Janet Dawn. "The performance of Uraba lugens Walker (Lepidoptera : nolidae) in relation to nitrogen and phenolics in its food." Thesis, 1985. http://hdl.handle.net/2440/20376.

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25

Farr, Janet Dawn. "The performance of `Uraba lugens` Walker (Lepidoptera : nolidae) in relation to nitrogen and phenolics in its food / by Janet Dawn Farr." 1985. http://hdl.handle.net/2440/20376.

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Bibliography: leaves 137-167<br>viii, 189 leaves, [31] leaves of plates : ill. (some col.) ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Entomology, Waite Agricultural Research Institute, 1986
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26

Keith, Heather. "Effects of fire and fertilization on nitrogen cycling and tree growth in a subalpine eucalypt forest." Phd thesis, 1991. http://hdl.handle.net/1885/142474.

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27

Rambau, Mashudu Daniel. "The effects of fertilization with bio-digester slurry and the inclusion of carbohydrate additives at ensiling on the nutritive value of Napier grass (pennisetum purpureum) silage." Diss., 2016. http://hdl.handle.net/11602/696.

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MSCAGR (Animal Science)<br>Department of Animal Science<br>The objective of the study was to determine the effects of fertilisation with bio-digester slurry and the inclusion of carbohydrate additives at ensiling on the fermentation characteristics, chemical composition, ruminal degradability, and in vitro digestibility of Napier grass silage. Napier grass planted at the School of Agriculture Experimental Farm, University of Venda in 5 m x 4 m plots replicated three times in a completely randomised design and was irrigated with either biodigester slurry or no bio-digester slurry (tap wate
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