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Tesi sul tema "Carbon dioxide enrichment"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 26 luglio 2024

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1

Dion, Louis-Martin. "Biomass gasification for carbon dioxide enrichment in greenhouses." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=103689.

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Abstract (sommario):

Biomass heating is used more and more by the greenhouse industry to reduce costs and the environmental footprint of production. The objective of this research project was to investigate the possibility of using the carbon dioxide (CO2) from the exhaust gas of a biomass heating system to enrich greenhouses with CO2 and improve crop yield. When compared to direct combustion, biomass gasification technology offers better control, which helps in reducing atmospheric emissions. Gasification is a thermo-chemical reaction, which converts solid biomass into a gaseous fuel, known as syngas. Experiments

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2

Ghannoum, Oula, of Western Sydney Hawkesbury University, Faculty of Agriculture and Horticulture, and School of Horticulture. "Responses of C3 and C4 Panicum grasses to CO2 enrichment." THESIS_FAH_HOR_Ghannoum_O.xml, 1997. http://handle.uws.edu.au:8081/1959.7/139.

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This project aims at investigating the effect of CO2 enrichment on the growth and gas exchange of C3, C3-C4 and C4 Panicum grasses. Potted plants were grown in soil under well watered conditions, in artificially lit environmentally controlled cabinets or naturally lit greenhouses at varying levels of CO2 enrichment. CO2 enrichment enhanced the dry weight of C3 and C4 Panicum species under optimal light and N supplies, but had no effect on the total leaf N or TNC concentrations. The high-CO2 induced photosynthetic reaction in the C3 species was accompanied by a reduced Rubisco concentration and

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3

Dezi, Silvia <1974&gt. "Modelling the effects of nitrogen deposition and carbon dioxide enrichment on forest carbon balance." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amsdottorato.unibo.it/3362/1/dezi_silvia_tesi.pdf.

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Abstract (sommario):

Atmospheric CO2 concentration ([CO2]) has increased over the last 250 years, mainly due to human activities. Of total anthropogenic emissions, almost 31% has been sequestered by the terrestrial biosphere. A considerable contribution to this sink comes from temperate and boreal forest ecosystems of the northern hemisphere, which contain a large amount of carbon (C) stored as biomass and soil organic matter. Several potential drivers for this forest C sequestration have been proposed, including increasing atmospheric [CO2], temperature, nitrogen (N) deposition and changes in management practices

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4

Dezi, Silvia <1974&gt. "Modelling the effects of nitrogen deposition and carbon dioxide enrichment on forest carbon balance." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amsdottorato.unibo.it/3362/.

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Abstract (sommario):

Atmospheric CO2 concentration ([CO2]) has increased over the last 250 years, mainly due to human activities. Of total anthropogenic emissions, almost 31% has been sequestered by the terrestrial biosphere. A considerable contribution to this sink comes from temperate and boreal forest ecosystems of the northern hemisphere, which contain a large amount of carbon (C) stored as biomass and soil organic matter. Several potential drivers for this forest C sequestration have been proposed, including increasing atmospheric [CO2], temperature, nitrogen (N) deposition and changes in management practices

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5

Liu, Hung-Tsu (Paul). "Physiological limitations to the growth response of bean plants (Phaseolus vulgaris L.) to carbon dioxide enrichment." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/30915.

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Abstract (sommario):

Previous studies on dwarf bean plants have found a very limited growth response to CO₂ enrichment (Jolliffe and Ehret, 1985; Ehret and Jolliffe, 1985b). There was no increase in leaf area, and leaf injury was observed after about three weeks of CO₂ enrichment (Ehret and Jolliffe, 1985a). Although dry weight was increased, the increase may be limited due to restricted carbon utilization (e.g. no increases in leaf area). In this study, non-photosynthetic limitations, such as the partitioning of dry matter among plant parts, the partitioning of carbon among photosynthetic end products, and the in

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6

Ghannoum, Oula. "Responses of C3 and C4 Panicum grasses to CO2 enrichment." Thesis, View thesis View thesis, 1997. http://handle.uws.edu.au:8081/1959.7/139.

Testo completo

Abstract (sommario):

This project aims at investigating the effect of CO2 enrichment on the growth and gas exchange of C3, C3-C4 and C4 Panicum grasses. Potted plants were grown in soil under well watered conditions, in artificially lit environmentally controlled cabinets or naturally lit greenhouses at varying levels of CO2 enrichment. CO2 enrichment enhanced the dry weight of C3 and C4 Panicum species under optimal light and N supplies, but had no effect on the total leaf N or TNC concentrations. The high-CO2 induced photosynthetic reaction in the C3 species was accompanied by a reduced Rubisco concentration and

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7

Lukac, Martin. "Effects of atmospheric COâ†2 enrichment on root processes and mycorrhizal functioning in short rotation intensive poplar plantation." Thesis, Bangor University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391756.

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8

Bray, Shirley M. "The interaction between carbon dioxide enrichment and salinity on growth and carbon partitioning in Phaseolus vulgaris L." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0018/NQ54822.pdf.

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9

Edwards, Diane Roselyn. "Towards a plant-based method of guiding CO₂ enrichment in greenhouse tomato." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/3328.

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Abstract (sommario):

Atmospheric CO₂ enrichment is employed by greenhouse tomato growers to increase fruit yields, and CO₂ applications are managed according to atmospheric set points or CO₂ injection rates. These methods do not immediately focus on the targets of CO₂ applications: plant performance and the regulation of plant carbon status. This thesis explores several plant-based approaches that may have potential for use in the management of CO₂ in greenhouse tomato production. Three plant-based approaches to CO₂ management were explored in commercial and experimental tomato greenhouses. These were: (1) si

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10

Newbery, R. M. "Influence of CO₂ enrichment on the growth and nutritional status of Agrostis capillaris and Calluna." Thesis, Lancaster University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240455.

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11

Giuntoli, Alberto. "Increased carbon dioxide concentration affects photoinhibition of photosynthesis in wheat and grapevine in the field." Thesis, University of Essex, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327070.

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12

Springer, Clint J. "Estimating net photosynthesis and productivity of a loblolly pine forest grown with carbon dioxide enrichment." Morgantown, W. Va. : [West Virginia University Libraries], 2004. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3584.

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Thesis (Ph. D.)--West Virginia University, 2004.<br>Title from document title page. Document formatted into pages; contains ix, 113 p. : ill. Vita. Includes abstract. Includes bibliographical references.

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13

Bachman, Sarah. "Elevated atmospheric carbon dioxide and precipitation alter ecosystem carbon fluxes over northern mixed-grass prairie at the prairie heating and CO2 enrichment (PHACE) experiment in Cheyenne, Wyoming, USA." Laramie, Wyo. : University of Wyoming, 2007. http://proquest.umi.com/pqdweb?did=1445355711&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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14

Scholefield, Paul Anthony. "Effects of long-term carbon dioxide enrichment on the emission of isoprene from selected plant species." Thesis, Lancaster University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288942.

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15

Aldarmaki, Naeema Ibrahim Karam Al-Darmaki. "Extraction and enrichment of minor lipid components of palm fatty acid distillate using supercritical carbon dioxide." Thesis, University of Birmingham, 2012. http://etheses.bham.ac.uk//id/eprint/3621/.

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Abstract (sommario):

Currently the extraction of valuable components from oils is of growing interest. Palm fatty acid distillate is a by-product from palm oil refining process which contains valuable minor components. The scope of the present work was to investigate the enrichment of high value low concentration components of palm fatty acid distillate namely squalene (1.8-2.3 wt.% squalene) using supercritical carbon dioxide as solvent with counter-current packed column kept under isothermal and longitudinal thermal gradient. The overall objective of this work was to explore the effect of extraction process para

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16

Butler, G. D., B. A. Kimball, and J. R. Mauney. "Populations of the Sweetpotato Whitefly on Cotton Grown in Open-Top Field Carbon Dioxide-Enrichment Chambers." College of Agriculture, University of Arizona (Tucson, AZ), 1985. http://hdl.handle.net/10150/204054.

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17

Wees, David. "The effects of carbon dioxide enrichment and aeration of hydroponic nutrient solutions on the growth and yield of lettuce /." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66169.

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18

Polastrini, Elisa. "Enrichment of CO2 in marine ecosystem: effects on marine bivalve Chamelea gallina." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018.

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Abstract (sommario):

Oceans absorb 30% of the anthropogenic CO2 release in the atmosphere (IPCC 2014). With climate change, marine ecosystems are mainly exposed to rising temperature and ocean acidification. The principal consequences of adding CO2 to seawater is to decrease the concentration of carbonate ion and lower pH. These impacts can affect marine calcifying organisms such as bivalves to produce their CaCO3 shell or compromise their fitness. The IPCC proposes Carbon dioxide Capture and Storage (CCS) in the context of a measure for mitigating climate change consequences, however a leakage of CO2 could have n

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19

Iost, Regiane [UNESP]. "Problemas fitossanitários e crescimento de duas cultivares de café durante o primeiro ano em experimento FACE (“Free Air Carbon Dioxide Enrichment”)." Universidade Estadual Paulista (UNESP), 2013. http://hdl.handle.net/11449/97248.

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Made available in DSpace on 2014-06-11T19:28:37Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-02-27Bitstream added on 2014-06-13T20:37:47Z : No. of bitstreams: 1 iost_r_me_botfca_parcial.pdf: 110809 bytes, checksum: c0abdcf9aa822016e85666ad00073d89 (MD5) Bitstreams deleted on 2015-06-25T13:01:10Z: iost_r_me_botfca_parcial.pdf,. Added 1 bitstream(s) on 2015-06-25T13:03:27Z : No. of bitstreams: 1 000713993_20160701.pdf: 96541 bytes, checksum: 5abbfa05701cbfcb731f06693b6b568e (MD5) Bitstreams deleted on 2016-07-01T13:02:17Z: 000713993_20160701.pdf,. Added 1 bitstream(s) on 2016-07-01

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20

Iost, Regiane 1983. "Problemas fitossanitários e crescimento de duas cultivares de café durante o primeiro ano em experimento FACE ("Free Air Carbon Dioxide Enrichment") /." Botucatu, 2013. http://hdl.handle.net/11449/97248.

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Orientador: Raquel Ghini<br>Banca: Antonio Carlos Maringoni<br>Banca: Flávia Rodrigues Alves Patrício<br>Resumo: O clima do planeta vem se alterando gradativamente nas últimas décadas em consequência da intensificação das atividades antrópicas, como a queima de combustíveis fósseis e mudanças no uso da terra, que são responsáveis por alterações em diversos componentes do ambiente, como o dióxido de carbono (CO₂), o ozônio (O3) e a radiação ultravioleta-B (UV-B). Considerando que o CO2 é o gás de efeito estufa que tem maior destaque devido ao maior volume de emissões, os efeitos do aumento da c

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21

Iost, Regiane [UNESP]. "Café arábica em experimento tipo FACE ('Free Air Carbon Dioxide Enrichment'): intensidade da ferrugem e do bicho-mineiro e crescimento da planta." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/151156.

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Submitted by REGIANE IOST (regianeiost_agro@yahoo.com.br) on 2017-07-18T22:32:11Z No. of bitstreams: 1 TESE DOUTORADO REGIANE IOST.pdf: 1597027 bytes, checksum: 9d0d42f8ace87258f652a33d2c58a13a (MD5)<br>Approved for entry into archive by Luiz Galeffi (luizgaleffi@gmail.com) on 2017-07-19T18:18:25Z (GMT) No. of bitstreams: 1 iost_r_dr_bot.pdf: 1597027 bytes, checksum: 9d0d42f8ace87258f652a33d2c58a13a (MD5)<br>Made available in DSpace on 2017-07-19T18:18:25Z (GMT). No. of bitstreams: 1 iost_r_dr_bot.pdf: 1597027 bytes, checksum: 9d0d42f8ace87258f652a33d2c58a13a (MD5) Previous issue date:

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22

Iost, Regiane 1983. "Café arábica em experimento tipo FACE ('Free Air Carbon Dioxide Enrichment') : intensidade da ferrugem e do bicho-mineiro e crescimento da planta /." Botucatu, 2017. http://hdl.handle.net/11449/151156.

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Orientador: Raquel Ghini<br>Coorientador: Wagner Bettiol<br>Banca: Edson Luiz Furtado<br>Banca: Flávia Rodrigues Alves Patrício<br>Banca: Kátia de Lima Nechet<br>Banca: Dartanhã José Soares<br>Resumo: Nas últimas décadas o clima do planeta vem se alterando gradativamente em consequência da mudança climática, devido principalmente, à intensificação das atividades antrópicas, como a queima de combustíveis fósseis e mudanças no uso da terra, as quais são responsáveis por alterações em diversos componentes do ambiente, como o dióxido de carbono (CO₂), o metano, o óxido nitroso e outros gases de ef

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23

Olsson, Per. "Effects of fertilisation on rhizospheric and heterotrophic soil CO2 efflux in boreal Norway spruce stands /." Umeå : Dept. of Forest Ecology, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/10064860.pdf.

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24

Slaney, Michelle. "Impact of elevated temperature and [CO₂] on spring phenology and photosynthetic recovery of boreal Norway spruce /." Alnarp : Southern Swedish Forest Research Centre, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/200603.pdf.

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25

Lin, Chia-Wei, and 林嘉偉. "Carbon dioxide enrichment PDMS/PSf composite membrane." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/cmwuq8.

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碩士<br>中原大學<br>化學工程研究所<br>106<br>After the industrial revolution in the 18th century, due to the extensive factory, greenhouse gases such as carbon dioxide (CO2), methane (CH4), ozone (O3) and nitrogen oxides (NOX) were produced which have caused serious global climate and affect the people’s lives. Therefore, many researchers have used various technologies to capture the greenhouse gases to improve global warming. Food is the most basic factor for human survival. Global warming climate anomalies will reduce agricultural production and create another food crisis that threatens human survival. I

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26

Li, Wan-Hua, and 李婉華. "Carbon dioxide enrichment PEBAX/MOF composite membrane for CO2 separation." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/mj8qyu.

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碩士<br>中原大學<br>化學研究所<br>107<br>In this study, metal organic frameworks (MOFs) with different pore sizes or with different functional groups and poly(ether-block-amide) (Pebax-1657) were used to treat organic metal skeletons through drying-free methods. Mixing to prepare a mixed matrix film (MMM), the different loading ratio of the metal organic frameworks was studied, and the mass percentage was 1 wt% to 30 wt%. The mixed matrix membrane showed an improvement compared with the pure polymer membrane. CO2 permeability and CO2 / N2 selectivity. By processing the metal organic frameworks without

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27

Wu, Chuan-Hsiang, and 吳詮翔. "Ethyl cellulose composite membranes for carbon dioxide separation and oxygen enrichment processes." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/r8d83s.

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碩士<br>國立宜蘭大學<br>化學工程與材料工程學系碩士班<br>103<br>In this study, the oligomer, glycerol propoxylate-block-ethoxylate (GP-b-E) or the amino-modified hollow silica (NH2-HS) with different shaps as the additives were added in the ethyl cellulose (EC) polymer to prepare a series of EC composite membranes. These composite membranes were applied to the gas separation processes. The effects of the concentration of casting solution and the oligomer content on the properties and gas separation performance of membrane were investigated. The effects of the shape, surface amino-modification, and content of hollow

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28

Lee, Dal-Hoon. "Energy saving through integrated greenhouse climate control for heating, ventilation and carbon dioxide enrichment." Thesis, 1993. http://hdl.handle.net/2429/4987.

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A computer model was developed for predicting heating, ventilation and CO 2 enrichment requirements for a standard tomato greenhouse range located in the Fraser valley of British Columbia. Predicted and measured data were compared for typical cases of outside weather conditions. The mathematical model which is comprised of heat and mass balances for the greenhouse thermal environment and crop photosynthesis has yielded reasonably accurate simulation results compared to observed values. Heating requirement was predicted to within 10-14% for three typical cases of weather conditions, b

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29

Lutze, Jason Lewis. "Carbon and nitrogen relationships in swards of Danthonia richardsonii in response to carbon dioxide enrichment and nitrogen supply." Phd thesis, 1996. http://hdl.handle.net/1885/10981.

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Abstract (sommario):

Atmospheric C0₂ concentrations are increasing steadily, although not fast enough to account for all anthropogenic emissions. Uptake of extra carbon by the terrestrial biosphere in response to the CO₂ concentration increase may, in turn, be moderating the rate of increase. However, there are uncertainties pertaining to the ability of natural ecosystems to respond to this increase in terms of productivity and carbon sequestration, when productivity is restricted by nitrogen availability. This study provides experimental data on the response of microcosms of the wild, C₃ Australian grass Da

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30

Brown, ZA. "The effects of elevated carbon dioxide on greenhouse gas emissions from a temperate pasture." Thesis, 2020. https://eprints.utas.edu.au/34798/1/Brown_whole_thesis.pdf.

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Global surface temperatures have been rising since the pre-industrial era and are predicted to continue rising due to the positive radiative forcing of greenhouse gases in the atmosphere. The atmospheric concentration of carbon dioxide (CO\(_2\)), the gas responsible for most of this warming, has increased since the industrial revolution due to the burning of fossil fuels and land use change. The concentration of nitrous oxide (N\(_2\)O), a potent greenhouse gas with substantially higher global warming potential than CO\(_2\) over a 100-y horizon, has similarly increased due to agriculture and

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31

Chomba, Bernard Malata. "Carbon dioxide enrichment and the role of carbohydrate reserves in root growth potential of cold-stored Engelmann spruce (Picea Engelmannii Parry) seedlings." Thesis, 1992. http://hdl.handle.net/2429/3313.

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Two experiments were conducted to examine the role of carbohydrate reserves in spring root growth potential (RGP)of Engelmann spruce (Picea engelmannii Parry) seedlings. In the first experiment, the effects of pre-storage carbon dioxide enrichment (CE) on total non-structural carbohydrates (TNC) and post-storage root growth were studied. Seedlings were grown from seed for 202 days in growth chambers with ambient (340 μL•L-1) and CO2 enriched(1000 μL•L-1) air. Reciprocal transfers between treatments took place at 60 and 120 days. Photoperiod was reduced at100 days to induce bud set. After 180 d

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32

Attavanich, Witsanu. "Essays on the Effect of Climate Change on Agriculture and Agricultural Transportation." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-12-10493.

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This dissertation analyzes the impact of climate, and atmospheric carbon dioxide (CO2) on crop yields and grain transportation. The analysis of crop yields endeavors to advance the literature by statistically estimating the effects of atmospheric carbon dioxide (CO2) on observed crop yields. This is done using an econometric model estimated over pooled historical data for 1950-2009 and data from the free air CO2 enrichment experiments. The main findings are: 1) yields of soybeans, cotton, and wheat directly respond to the elevated CO2, while yields of corn and sorghum do not; 2) the effect of

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