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Dissertations / Theses on the topic 'Soil nutrition'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Herbert, Nick. "The mineral nutrition of heather on calcareous soil." Thesis, University of Sussex, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285878.

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Ericaceous plants grow preferentially on soils with a low pH, and generally perform poorly in areas with high pH calcareous soils. The reasons for the calcifuge behaviour of species of one genus, Erica, was studied in a calcareous rendzina collected from the South Downs, with a view to identifying physiological characteristics which could be used to select for improved lime-tolerance in the Ericaceae. Varieties of E. carnea and E. x darleyensis were shown to be relatively resistant to chalk-soil compared with varieties of E. vagans. In soil-based screening experiments, E. vagans 'Lyonesse' and

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2

Coyle, Kieran. "An investigation of the role of soil micro-organisms in phosphorus mobilisation : a report submitted to fulfil the requrements of the degree of Doctor of Philosophy." Title page, table of contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09PH/09phc8814.pdf.

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3

Kim, Hak Jin. "Ion-selective electrodes for simultaneous real-time analysis for soil macronutrients." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4471.

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Thesis (Ph.D.)--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 (April 26, 2007) Vita. Includes bibliographical references.

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4

Santos, Francisco SÃrgio Ribeiro dos. "Production and nutrition in strawberry crop soil and hydroponic." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=13165.

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CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel Superior<br>Traditional soil based strawberry production currently faces some obstacles, both by excessive use of pesticides, as the diseases caused by fungi and other pathogens and ergonomic difficulties of cultivating the soil. Strawberry soilless cultivation combined with greenhouse and the use of substrate promotes some advantages such as: eliminating the use of products for soil disinfection, precocity, increased yields, better crop management conditions and crop protection against adverse weather conditions, pest attacks and diseases.. Th

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5

Yeap, Simon Guo Hong. "Implications of soil water repellence for crop growth and nutrition." Thesis, Yeap, Simon Guo Hong (2020) Implications of soil water repellence for crop growth and nutrition. PhD thesis, Murdoch University, 2020. https://researchrepository.murdoch.edu.au/id/eprint/59040/.

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In water-limited environments, dryland crop and pasture production on water-repellent sandy soils is often constrained by reduced water infiltration, accentuated overland flow and soil erosion, unstable wetting patterns, and the development of preferential flow paths in the soil profile, which consequently cause considerable spatial heterogeneity in soil water content, increased prevalence of isolated dry zones, and decreased overall soil water retention. The same processes are also likely to affect soil nutrient bioavailability and plant nutrient uptake. Indeed, while problems with crop nutri

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6

Gosling, Paul. "The role of tree lupin (Lupinus arboreus, sims) in primary succession, with particular reference to phosphorus." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320630.

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7

Strömgren, Monika. "Soil-surface CO₂ flux and growth in a boreal Norway spruce stand : effects of soil warming and nutrition /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2001. http://epsilon.slu.se/avh/2001/91-576-6304-1.pdf.

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8

Martinez-Sanchez, Jose Luis. "Aspects of rain forest nutrition dynamics at Los Tuxtlas, Mexico." Thesis, University of Stirling, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311704.

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9

Kering, Maru K. Blevins Dale G. "Manganese nutrition and photosynthesis in NAD-malic enzyme C-4 plants." Diss., Columbia, Mo. : University of Missouri--Columbia, 2008. http://hdl.handle.net/10355/7201.

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Title from PDF of title page (University of Missouri--Columbia, viewed on February 24, 2010). The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Dissertation advisor: Dr. Dale Blevins. Vita. Includes bibliographical references.

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10

Su, Jinghan. "Nitrogen fertilization and soil mineral nitrogen dynamics to optimize canola yield and nutrition in Québec." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=117231.

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Canola is an ideal feedstock for biodiesel production because of its high oil and low saturated fat concentrations. There is interest in producing more canola in Québec, but producers lack fertilization guidelines to optimize high oilseed yield and quality in canola. Nitrogen (N) is the most important determinate of oilseed yield and quality and N fertilization is important for biomass accumulation during the early vegetative stage and for oil synthesis during the reproductive stage. The first objective of this study was to monitor soil mineral N (NO3-N + NH4-N) dynamics and canola straw nutri

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11

Brebner, Jocelyn. "The role of soil ingestion in the trace element nutrition of grazing livestock." Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/38242.

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12

Schalau, Jeff W. "Laboratories Conducting Soil, Plant, Feed, or Water Testing." College of Agriculture, University of Arizona (Tucson, AZ), 2016. http://hdl.handle.net/10150/625536.

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13

Walsh, Brice D. (Brice David). "Mulch management systems in organic dwarf apple orchards and their effects on soil physical properties, soil nutrient availability, and tree nutrition." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=55402.

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An alternative to herbicides in dwarf apple orchards (Malus pumila Mill.) is the use of mulches. Research objectives were to compare several mulch systems (Festuca rubra L., Lupinus albus L. plus Daucus carota L.; straw, manure compost, geotextile) with soil cultivation as to soil physical properties and plant nutrient levels in soils, leaves and fruit. Studies carried out in 1992 and 1993 on three dwarf apple orchards on the Macdonald Campus of McGill University showed that straw mulch increased soil water contents and exchangeable K, but reduced exchangeable Mg compared to Festuca mulch. Str

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14

Costa, Claudio Hideo Martins da [UNESP]. "Efeito residual da aplicação superficial de calcário e gesso nas culturas de soja, aveia-preta e sorgo granífero." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/86428.

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Made available in DSpace on 2014-06-11T19:22:16Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-07-22Bitstream added on 2014-06-13T20:28:26Z : No. of bitstreams: 1 costa_chmc_me_botfca.pdf: 444896 bytes, checksum: 79a884c18686d0a77b3357b8cbc1bcfb (MD5) Bitstreams deleted on 2015-08-07T12:19:54Z: costa_chmc_me_botfca.pdf,. Added 1 bitstream(s) on 2015-08-07T12:20:56Z : No. of bitstreams: 1 000678831.pdf: 1444305 bytes, checksum: d3e614871d6cd55de66eda01f9f2bdd0 (MD5)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>No sistema plantio direto praticamente não há revol

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15

Li, Maolin. "Adsorption characteristics and dynamics of soil organic phosphorus and its significance for plant nutrition /." Beuren ; Stuttgart : Grauer, 2001. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=009665345&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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16

Tariq, Mohammad. "Effect of boron supply on the availability of nutrients in soil and uptake by radish (Raphanus sativus L.)." Thesis, University of Reading, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363708.

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17

Cruz, David Ricardo Jimenez. "Influence of soils, nutrition, and water relations upon charcoal rot disease processes in Kansas." Thesis, Kansas State University, 2011. http://hdl.handle.net/2097/10747.

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Master of Science<br>Department of Plant Pathology<br>Christopher R. Little<br>Christopher R. Little<br>Charcoal rot, caused by Macrophomina phaseolina, is the most important soybean disease in Kansas. Several strategies have been recommended to control this disease including crop rotation, lower plant densities, biological control, plant resistance and tolerance, and fungicide application. However, those techniques have not been completely effective and the information concerning soil texture, irrigation and micronutrient fertility (particularly manganese) upon charcoal rot disease severity a

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18

Alloush, Ghiath Ahmad. "The mechanism of mobilization of iron from soil minerals in the rhizosphere of Cicer arietinum L." Thesis, University of Leeds, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277495.

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19

Landry, Christine. "Phosphorus fertilization and mycorrhizae influence soil phosphorus dynamics, corn nutrition and yield under reduced-tillage practices." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=115705.

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Grain corn (Zea mays L.) production occupies more farmland than any other annual crop in Quebec and is expanding demand from the livestock sector and the emerging bioethanol industry. Corn production requires high nutrient inputs and intensive tillage (IT). Many producers have thus switched to conservation tillage systems like ridge-tillage (RT) to overcome soil compaction and erosion problems that are common in IT systems. However, fertilizer guidelines developed for IT soils are used in RT although RT adoption greatly modifies phosphorus (P) dynamics. Lower fertilizer P requirements are expe

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20

Kinsey, Graham. "The nutrition of the uninucleate trophic phase of soil-inhabiting myxomycetes in relation to their ecology." Thesis, University of Bristol, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.520282.

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21

Singbo, Arnaud. "The effect of zinc and soil ph on grain yield and nutrient concentrations in spring wheat cultivated on potted soil." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2845.

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Thesis (MTech (Agriculture))--Cape Peninsula University of Technology, 2018.<br>Zinc deficiency on various soil types have been reported in arable soils of sub Saharan Africa (SSA) including South Africa. A pot trial was conducted at the Cape Peninsula University of Technology, Wellington campus to investigate the interaction of different application rates of Zn at various soil pH on the grain yield and quality of spring wheat in a completely randomized factorial design replicated three times. The four soil pH tested were: pHA: 5.1, pHB: 5.6, pHC: 6.1, pHD: 6.6 which correspond to lime applica

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22

Costa, Claudio Hideo Martins da 1985. "Efeito residual da aplicação superficial de calcário e gesso nas culturas de soja, aveia-preta e sorgo granífero /." Botucatu : [s.n.], 2011. http://hdl.handle.net/11449/86428.

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Orientador: Carlos Alexandre Costa Crusciol<br>Banca: José Salvador Simoneti Foloni<br>Banca: Eduardo Fávero Caires<br>Resumo: No sistema plantio direto praticamente não há revolvimento do solo e o consequente acúmulo de fertilizantes na superfície acelera o processo de acidificação, contínuo e acentuado que ocorre naturalmente em solos de regiões úmidas, onde, geralmente, é observada baixa disponibilidade de nutrientes e elevados teores de alumínio. Assim, da mesma forma que no sistema de cultivo convencional, no sistema plantio direto também existe a necessidade de aplicação de insumos em su

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23

Frakes, Mitchell Laura Ann. "BORON NUTRITION OF BURLEY AND DARK TOBACCO." UKnowledge, 2014. http://uknowledge.uky.edu/pss_etds/51.

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The incidences of suspected Boron (B) deficiency have increased recently in Kentucky tobacco fields, potentially due to recent changes in management practices. The symptoms observed in the field include; hollow stalk, stunted growth, deformed or no bud formation, small slits on the lower leaf midrib and uncontrollable breaking of the midrib approximately two inches from the stalk. B is a micronutrient tobacco needs in minute amounts, however excessive additions of B could cause toxicity. The objectives of this work were to 1) establish critical points for B sufficiency, 2) describe and define

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24

Johnson, David. "Soil microbial biomass and activity and plant nutrition in semi-natural ecosystems subjected to pollutant nitrogen deposition." Thesis, University of Sheffield, 1998. http://etheses.whiterose.ac.uk/15149/.

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The response of UK semi-natural soil and plant communities to long-term inputs of pollutant nitrogen (N) is presently poorly understood. This study aims to investigate the effects of up to 8 years simulated pollutant N additions on plant nutrition and key below ground nutrient cycling processes in an upland heath, an acid grassland and a calcareous grassland. An additional series of plots was established in the grasslands that received short-term N and phosphorus (P) inputs which enabled investigation of NIP interactions and the determination of plant biomass. Soil inorganic N concentrations i

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25

Ankrom, Katharine Elizabeth. "Identification of a new nematode species in Ohio and soil factor effects on plant nutrition of soybean." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1468842700.

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26

Cottes, Jeremy Jean-Guy. "Le couple Eh/pH du sol : sa mesure, son impact sur la mobilité des nutriments et la croissance du tournesol." Thesis, Toulouse, INPT, 2019. http://www.theses.fr/2019INPT0079.

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Ce travail de thèse s’inscrit dans un contexte d’agriculture durable qui vise à consommer de moins en moins d’intrants tout en maintenant des niveaux de production de biomasse croissante, aussi bien en termes de quantité que de qualité. De tels niveaux ne peuvent être atteints qu’à la condition que les végétaux cultivés puissent se développer dans des conditions optimales, et notamment avoir accès aux éléments minéraux essentiels à leur croissance. De nombreux facteurs interviennent dans la mise à disposition des nutriments présents dans le sol pour les cultures comme le pH ou le potentiel d’o

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27

Richard, Paul François. "A computer analysis of the flow of water and nutrients in agricultural soils as affected by subsurface drainage." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/29171.

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A computer model was developed in order to determine the effects of drainage practices on nutrient losses from level agricultural soils. The model performs a daily simulation of the vertical flow of water, nitrogen, phosphorus, and heat, and of the growth of crops. A water flow submodel calculates the depth of the water table based on daily predictions of evaporation, transpiration, flow to drains and ditches, and deep percolation. An original saturated-unsaturated flow algorithm is used to determine moisture infiltration, redistribution, and upward flow in the soil matrix, as well as bypassi

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28

Knecht, Billberger Magnus F. "Plant growth - stoichiometry and competition : theory development in ecosystem ecology /." Uppsala : Dept. of Ecology and Environmental Research, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/200624.pdf.

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29

Moller, Leandra. "Soil yeasts, mycorrhizal fungi and biochar: their interactions and effect on wheat (Triticum aestivum L.) growth and nutrition." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/20417.

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Thesis (MSc)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: In order to test the effect of different plant growth-promoting strategies on Triticum aestivum L. (wheat), we investigated the ability of biochar and a grain-associated soil yeast, to improve the growth of this crop. Our first goal was to study the effect of biochar amendments to sandy soil on the growth and nutrition of wheat in the presence of mycorrhizal fungi. This was accomplished by amending soil with 0%, 1%, 2.5%, 5% and 10% (w/w) biochar and cultivating wheat plants in these soil-biochar mixtures. After harvesting

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30

Kranabetter, John Marty. "Interacting effects of soil nitrogen supply and light availability on understory sapling growth and foliar attributes." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/1290.

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Light availability in forest understories is a well recognized constraint on sapling growth, but limitations in soil nitrogen (N) availability, and the link to foliar photosynthetic capacity, typically receive less consideration in describing stand dynamics. My primary hypothesis is that light and soil N availability have species-specific effects on photosynthetic activity and growth, and that together these resources will better define understory development in complex forests. To test these relationships, I examined 1) soil N indices and the tradeoffs between soil fertility and light atten

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31

Murata, Monica Rujeko. "The impact of soil acidity amelioration on groundnut production and sandy soils of Zimbabwe." Diss., University of Pretoria, 1995. http://upetd.up.ac.za/thesis/available/etd-08152003-155125.

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32

Harper, George James. "The effect of cold storage duration and soil temperature on the photosynthetic ability of Picea glauca seedlings." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/28774.

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In response to concern over the failure and poor growth of many interior and white spruce plantations in British Columbia the effect of storage duration and soil temperature on the photosynthetic ability of white spruce seedlings was explored. Seedlings of Picea glauca were dark freezer stored (-5°C) from 9.6 to 30.6 weeks, thawed and grown for 28 days in a growth chamber at three different soil temperatures (3,7,11°C). During this period gas exchange variables and chlorophyll fluorescence kinetics were followed. Seedlings stored for periods of 22 weeks or longer had significantly lower rates

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33

Randhawa, Nirmal Singh. "Impact of fertilization and vegetation management on growth and nutrition of white spruce seedlings and related soil nitrogen transformations." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0003/MQ29460.pdf.

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34

Yeap, Simon G. H. "Investigating the impacts of groundwater on soil properties and pasture nutrition in irrigated agriculture, Pilbara region of Western Australia." Thesis, Yeap, Simon G.H. (2014) Investigating the impacts of groundwater on soil properties and pasture nutrition in irrigated agriculture, Pilbara region of Western Australia. Honours thesis, Murdoch University, 2014. https://researchrepository.murdoch.edu.au/id/eprint/32100/.

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Dewatering of groundwater systems has become a common practice for iron ore mining in the Pilbara region of Western Australia. While the discharge of surplus water to local tributaries and re-injection into the aquifer are widely practiced, the re-use of this water for irrigated forages is an innovative solution. However, the chemistry of the groundwater and the impacts on soil properties from long-term application of groundwater need to be assessed. Surplus water from the Marandoo iron ore mine is utilised to irrigate Rhodes grass (Chloris gayana) for hay production at the Hamersley Agricu

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35

Scurich, Justin J. "STRAWBERRY GROWTH, YIELD, FRUIT NUTRITION, AND CONTROL OF VERTICILLIUM WILT WITH PRE-PLANT SOIL FUMIGANTS, OZONE, AND BIOLOGICAL CONTROL." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/714.

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Verticillium wilt is a widespread soilborne disease of strawberry historically controlled by soil fumigation with methyl bromide (MB). MB was banned by the United Nations in 1995 and will be completely phased out by 2015. Research has concentrated on alternative methods of disease control without finding a single alternative able to replace MB in widespread disease control and yield increase. For the current study, strawberries were greenhouse grown in container pots filled with soil from both infested and non-infested areas of a commercial strawberry field in Watsonville, CA. Treatments i

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36

Sherfy, Mark Huffman. "Nutritional Value and Management of Waterfowl and Shorebird Foods in Atlantic Coastal Moist-Soil Impoundments." Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/26575.

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The mid-Atlantic coast region, an area of continental significance to migratory and wintering waterfowl and shorebirds, contains numerous moist-soil impoundments that are managed for waterbirds. Positive relationships between nonbreeding body condition and subsequent survival and reproduction have been documented for waterfowl, yet few evaluations of habitat management consider nutritional value of foods. I assessed 2 types of impoundment manipulation, using nutritional data as a basis for evaluation.Invertebrate and plant seed production were measured in disced and control plots in impoundm

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37

Zou, Congming. "SOIL MANAGEMENT AND NITROGEN DYNAMICS IN BURLEY TOBACCO ROTATIONS." UKnowledge, 2015. http://uknowledge.uky.edu/pss_etds/64.

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Agronomic practices, including tillage, crop rotation and N fertilization, have been developed to efficiently manage soil N dynamics and crop N nutrition. These practices can affect soil organic carbon (SOC) and soil total nitrogen (STN) sequestration, and consequently influence soil nitrogen mineralization (SNM) and crop N nutrition. However, little research has been systematically and simultaneously conducted to examine the effect of agronomic management on (1) SOC and STN stocks; (2) SNM; and (3) crop N nutrition. Burley tobacco (Nicotiana tobacum L.) is a N demanding crop and subject to in

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Blotevogel, Simon. "Etude des transferts élémentaires et mécanismes biogéochimiques dans le continuum sol-plante-vin par l'utilisation de traceurs isotopiques et biochimiques." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30373/document.

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Dans l'ouest de l'Europe, une grande importance est accordée à la composante sol dans l'élaboration des vins. La nutrition minérale est la principale voie par laquelle le sol peut avoir une influence sur la vigne et par conséquent sur le vin qui en est issu. Dès lors, ce travail de thèse appréhende la question plus large des transferts élémentaires entre le sol et la plante à travers de l'utilisation d'outils géochimiques en milieu viticole. Une combinaison de techniques impliquant des indicateurs classiques tels que les rapports élémentaires ou des bilans de masses ainsi que des traceurs plus

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Venter, Annari. "Comparing plant yield and composition with soil properties using classical and geostatistical techniques." Diss., University of Pretoria, 2003. http://hdl.handle.net/2263/23916.

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Plant nutrient management plays a vital role in the success or failure of modern Lucerne production. In South Africa, Lucerne is produced under a wide range of climatic conditions, under dryland and irrigation and in some areas throughout the year. This means that there is a continuous demand for nutrients under a wide range of environmental conditions. The most important factors affecting the nutrient requirement of Lucerne is yield, the cutting schedule, climate and management practices. To enable site-specific crop requirements, the spatial variation of soil and plant properties within a fi

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Dube, Ernest. "Soil fertility enhancement through appropriate fertilizer management on winter cover crops in a conservation agriculture system." Thesis, University of Fort Hare, 2012. http://hdl.handle.net/10353/d1001044.

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A study was carried out to determine the effects of oat (Avena sativa) and grazing vetch (Vicia darsycapa) winter cover crops and fertilizer application on SOM, phosphorus (P) pools, nutrient availability, nutrient uptake, maize yield and seedbanks of problematic weeds in an irrigated maize-based conservation agriculture (CA) system. A separate experiment was carried out to investigate the effects of the winter cover crops on nitrogen (N) management, N use efficiency and profitability. After four years of continuous rotation, the winter cover crops significantly (p<0.05) increased particulate

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41

Jasson, Timothy Ivan. "Effects of compost tea extract on growth, nutritional value, soil quality of Hypoxis hemerocallidea and Siphonochilus aethiopicus." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2791.

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Thesis (MTech (Horticulture))--Cape Peninsula University of Technology, 2017.<br>The exact responses to the concentration of compost tea extract and methods of irrigation application were not previously measured on Hypoxis hemerocallidea and Siphonochilus aethiopicus. Commercial exploitation, habitat loss and degradation, overharvesting, and enhancement of their medicinal properties, have led to this investigation and the need to replenish both these valuable plant species. This is crucial for plant survival, especially in the wild and for use of the traditional medicinal plants. Hypoxis hemer

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Soratto, Rogério Peres [UNESP]. "Aplicação de calcário e gesso em superfície na implantação do sistema de plantio direto." Universidade Estadual Paulista (UNESP), 2005. http://hdl.handle.net/11449/100003.

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Made available in DSpace on 2014-06-11T19:30:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-03-14Bitstream added on 2014-06-13T20:21:00Z : No. of bitstreams: 1 soratto_rp_dr_botfca.pdf: 792481 bytes, checksum: 32d9518363b0fae5fab589ed74ffbe8c (MD5)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Existe interesse na busca de alternativas para a implantação do sistema de plantio direto em áreas anteriormente cultivadas no sistema convencional de preparo do solo ou sob pastagens, sem a incorporação prévia do calcário, realizando-se a calagem superficialmente desde

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43

Matoka, Charles Mboya. "Bacterial community responses to soil-injected liquid ammonium nutrition and effect of temperature on Barley (Hordeum vulgare L.) grain yield formation." Göttingen Cuvillier, 2007. http://d-nb.info/987473530/04.

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Matoka, Charles Mboya. "Bacterial community responses to soil-injected liquid ammonium nutrition and effect of temperature on Barley (Hordeum vulgare L.) grain yield formation /." Göttingen : Cuvillier, 2008. http://d-nb.info/987473530/04.

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45

Wei, Xi. "Effects of residual veterinary antibiotics on soil enzyme activity and plant growth." HKBU Institutional Repository, 2007. http://repository.hkbu.edu.hk/etd_ra/830.

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Noronha, Sannervik Angela. "Modelling productivity of willow stands in Sweden : evaluation of concepts for radiation use efficiency and soil water and nitrogen availability /." Uppsala : Dept. of Short Rotation Forestry, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/s286-ab.html.

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Carmeis, Filho Antonio Carlos de Almeida 1984. "Soil acidity management on an oxisol quality and wheat-common bean growth under a long term no-tillage system /." Botucatu, 2016. http://hdl.handle.net/11449/148617.

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Orientador: Carlos Alexandre Costa Crusciol<br>Banca: Dirceu Maximino Fernandes<br>Banca: Jose Eduardo Corá<br>Banca: Eduardo Favero Caires<br>Banca: Adriano Stephan Nascente<br>Resumo: Os distúrbios químicos e físicos do solo estão entre os principais fatores que restringem o potencial produtivo da agricultura tropical. A baixa capacidade produtiva tem sido associada principalmente à acidez do solo e deficiência de macronutrientes, portanto, é fundamental o desenvolvimento de estratégias que ampliem a capacidade de produção de solos ácidos tropicais. O calcário e o gesso agrícola (PG) são mat

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Grenier, Aline M. "Influence of selected endomycorrhizal fungi and phosphorus fertilization on the growth and mineral nutrition of onion grown in newly reclaimed organic soil." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69533.

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Onions are highly responsive to endomycorrhizae and improved plant growth is among the benefits associated with this symbiosis, particularly in low phosphorus soils. Although this crop is grown extensively in organic soils, few studies have been conducted on these. Onion plants (Allium cepa L. cv. Norstar) were inoculated with Glomus aggregatum Schenck & Smith, Glomus clarum Nicolson & Schenck, Glomus fasciculatum Gerdemann & Trappe, Glomus intraradix Schenck & Smith and Glomus versiforme (Karst.) Berch and grown in the field and under controlled conditions to evaluate their efficiency in newl

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Allardice, Roderick. "Does the application of vermicompost solid and liquid extracts influence the growth, N-nutrition and soil microbial diversity of the legume, Lupinus angustifolius?" Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/98107.

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Thesis (MSc)--Stellenbosch University, 2015.<br>ENGLISH ABSTRACT: Vermicomposts (VCs) are the solid excreta of earthworms, known to contain plant available nutrients, large amounts of microbial life and diversity, and plant growth regulating hormones. VCs may play an integral role in the nitrogen nutrition of Lupinus angustifolius and function to reduce the reliance of legume crops on chemical fertilizers. Furthermore, the effects of the combination of VC solids and VC teas on legume growth and N nutrition, is unknown. The aim of the present study was to determine the role of varying concentra

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Quintana, Kleber Aloisio [UNESP]. "Irrigação e fertirrigação por gotejamento para cana-de-açúcar na presença e ausência de boro." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/100861.

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Made available in DSpace on 2014-06-11T19:31:03Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-04-14Bitstream added on 2014-06-13T20:41:11Z : No. of bitstreams: 1 quintana_ka_dr_jabo.pdf: 961976 bytes, checksum: 5138fec1a6fd5743038eb37960a30811 (MD5)<br>Conduziu-se um experimento a campo com cana-planta no município de Barretos-SP, em local de coordenadas geográficas 20° 36’ 35,65” S, 48° 34’ 4,65” W e altitude de 511 m, entre os anos de 2007-2008, com o intuito de avaliar o efeito da fertirrigação com nitrogênio e potássio na irrigação por gotejamento e adição de boro no plantio, no

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