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Dissertations / Theses on the topic 'Sugarcane nutrition soil water'

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Published: 4 June 2021
Last updated: 1 February 2022

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1

Gmach, Maria Regina. "Sugarcane straw removal from the soil surface: effects on soil soluble products." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-18012019-174951/.

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The interest in using sugarcane straw as a feedstock for bioenergy production has been increased considerably. However, indiscriminate straw removal may negatively affect soil functioning. Therefore, this work aimed to quantify and characterize soil solution translocating along the profile, under straw removal rates from the soil surface. Lysimeter systems were built with 1, 20, 50, and 100 cm soil columns, with a sandy clay loam texture, from a commercial sugarcane field in Piracicaba-SP, southeastern Brazil. The experiment was conducted in open area, where the lysimeters were subjected to ra
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2

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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3

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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4

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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5

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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6

Batalha, Bruno Ribas. "Temperatura do dossel vegetativo da cana-de-açúcar sob diferentes condições meteorológicas e potenciais de água no solo." Universidade Federal de Viçosa, 2011. http://locus.ufv.br/handle/123456789/5246.

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Made available in DSpace on 2015-03-26T13:50:08Z (GMT). No. of bitstreams: 1 texto completo.pdf: 2824124 bytes, checksum: 7aa8f56c554c9fda33cd9d9810640874 (MD5) Previous issue date: 2011-07-25<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>Canopy temperature measurementswith infrared thermometers can be used in studies of water relations in the soil-plant-atmosphere, being a tool of easy use and quick response. The main objective of this study was to analyze the variation of the difference between canopy temperature (tc) and the air temperature (tair) under different met
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7

Ramotar-John, Badule Pamila. "Supplementing soybean meal with Camelina (Camelina sativa) in tilapia diets and optimizing commercial tilapia diets for use in intensive systems in the Western region of the United States." Thesis, The University of Arizona, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3634261.

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<p> The feed production cost in tilapia diets is driven by the prices of its ingredients such as fishmeal (FM) and soybean meal (SBM). Fishmeal and soymeal combined with other ingredients provides fish with the nutrients required for growth and sustaining life. Soybean meal is used as an alternative to fishmeal, but prices for this traditional ingredient have increased significantly in recent years as a result of high market demand from other industries. Consequently, there has been an increase interest by tilapia nutritionists and feed manufacturers to find less expensive, alternative feedstu
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8

Brunini, Rodrigo Garcia [UNESP]. "Índice de estresse hídrico na cultura de cana-de-açúcar, em superfícies irrigadas sobre diferentes exposições e declividades." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/134354.

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Submitted by Rodrigo Garcia Brunini null (rgbrunini@gmail.com) on 2016-02-26T17:17:57Z No. of bitstreams: 1 Dissertação_Rodrigo_Garcia_Brunini_2016.pdf: 1968086 bytes, checksum: 3bf99718970a4fb4c41a3c6f92e68f89 (MD5)<br>Approved for entry into archive by Ana Paula Grisoto (grisotoana@reitoria.unesp.br) on 2016-02-26T20:14:20Z (GMT) No. of bitstreams: 1 brunini_rg_me_jabo.pdf: 1968086 bytes, checksum: 3bf99718970a4fb4c41a3c6f92e68f89 (MD5)<br>Made available in DSpace on 2016-02-26T20:14:20Z (GMT). No. of bitstreams: 1 brunini_rg_me_jabo.pdf: 1968086 bytes, checksum: 3bf99718970a4fb4c41a3c6
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9

Anache, Jamil Alexandre Ayach. "Alterações no ciclo hidrológico e na perda de solo devido aos diferentes usos do solo e variações climáticas em área de Cerrado." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/18/18138/tde-17042018-110107/.

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A expansão agropecuária governa as mudanças no uso do solo no Brasil devido à alta demanda dos mercados interno e externo por alimento, fibra e energia. Entretanto, os efeitos e os processos decorrentes dessas alterações no ciclo hidrológico e na conservação do solo são pouco estudados de forma experimental em regiões de clima tropical e subtropical. No Estado de São Paulo, o uso do solo acontece de forma intensiva, as áreas de Cerrado nativo estão fragmentadas e pastagens vêm sendo substituídas por plantações de cana-de-açúcar devido à alta demanda por etanol e açúcar. Este trabalho tem como
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10

Santos, Arthur Klebson Belarmino dos. "Dinâmica da temperatura e umidade do solo sob diferentes quantidades de palha de cana-de-açúcar em decomposição." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-01032018-170048/.

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A manutenção da palha de cana-de-açúcar sobre a superfície do solo promove diversos benefícios à qualidade do solo, como a redução das altas temperaturas e a manutenção da umidade do solo. Com base nisso, os objetivos deste trabalho consistiram em avaliar o impacto da palha de cana-de-açúcar na dinâmica da umidade e da temperatura do solo em situações edáficas distintas em três regiões do Estado de São Paulo e verificar a influência da temperatura e umidade do solo na decomposição de diferentes quantidades de palha de cana-de-açúcar. O estudo foi conduzido nos municípios de Igaraçu do Tietê, P
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11

Oki, Viviana Kyoko. "Impactos da colheita de Pinus taeda sobre o balanço hídrico, a qualidade da água e a ciclagem de nutrientes em microbacias." Universidade de São Paulo, 2002. http://www.teses.usp.br/teses/disponiveis/11/11142/tde-16082002-150417/.

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A busca do manejo sustentável tem promovido estudos em microbacias hidrográficas através do monitoramento das atividades florestais, procurando a melhor forma de manejo do solo, de modo a diminuir impacto ambiental e ao mesmo tempo manter a produtividade do sítio e a rentabilidade econômica. Neste contexto, com o intuito de obter informações sobre os impactos provocados pelas atividades de exploração e preparo do solo realizadas em áreas reflorestadas com Pinus taeda, o presente trabalho consiste na análise de dados do monitoramento do manejo florestal em duas microbacias adjacentes, denominad
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12

Cellier, Antoine. "Amendement d'un compost de boues de station d'épuration dans un écosystème méditerranéen après incendie : effets sur le sol, les micro-organismes et la végétation." Thesis, Aix-Marseille, 2012. http://www.theses.fr/2012AIXM4729/document.

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En région méditerranéen, les incendies de forêt sont un problème majeur vis-à-vis de la désertification du milieu. L'utilisation de composts est considérée comme une solution pour la régénération du sol et de la végétation.Tout d'abord, en laboratoire, les effets de trois types de compost et de leur mode d'application ont été testés : un compost de déchets verts (DV), un compost de boues de station d'épuration (B) et un compost d'ordures ménagères résiduelles (OMR). Les différents paramètres du sol ont été améliorés de façon plus importante par le compost OMR (le moins mature) alors que le com
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13

Leal, Rafael Marques Pereira. "Efeito da irrigação com efluente de esgoto tratado em propriedades químicas de um latossolo cultivado com cana-de-açúcar." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-02072007-112919/.

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Já há muito tempo, a irrigação de cultivos agrícolas é praticada e considerada uma alternativa interessante e útil à disposição dos efluentes gerados pelas estações de tratamento de esgoto doméstico. Como qualquer outro resíduo, o uso agrícola implica em algumas vantagens, tais como o fornecimento contínuo de umidade e de determinados nutrientes, mas também desvantagens, ocasionando a adição de sais e de possíveis patógenos e contaminantes orgânicos. Apesar da utilização de efluente de esgoto tratado ser parte integrante da gestão hídrica em muitos países, até o presente momento não se conhece
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14

SILVA, Leda Veronica Benevides Dantas. "Efeito residual da adubação orgânica com torta de mamona e impactos do reuso de águas no sistema solo-planta." Universidade Federal de Campina Grande, 2010. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/1085.

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Submitted by Johnny Rodrigues (johnnyrodrigues@ufcg.edu.br) on 2018-07-02T14:15:49Z No. of bitstreams: 1 LEDA VERONICA BENEVIDES DANTAS SILVA - DISSERTAÇÃO PPGEA 2010..pdf: 8993633 bytes, checksum: 842487b79f8bc587c42403b8b5aa2ec0 (MD5)<br>Made available in DSpace on 2018-07-02T14:15:49Z (GMT). No. of bitstreams: 1 LEDA VERONICA BENEVIDES DANTAS SILVA - DISSERTAÇÃO PPGEA 2010..pdf: 8993633 bytes, checksum: 842487b79f8bc587c42403b8b5aa2ec0 (MD5) Previous issue date: 2010-02<br>CNPq<br>A utilização de subprodutos na agricultura tem se tornado uma alternativa bastante promissora, uma vez que,
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15

Schroeder, Bernard Louis. "Assessment of leaf analysis of sugarcane under moisture stress conditions." Thesis, 2000. http://hdl.handle.net/2263/30462.

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16

Rabothata, Matome Freddy. "Water use, growth and development of sugarcane as affected by a trash mulching." Diss., 2010. http://hdl.handle.net/2263/27332.

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Retention of a sugarcane mulch blanket, following green cane harvesting could increase soil water conservation, soil health (organic matter content and micro-organism activity) and soil nutrient status. However, little is known about the effect of such a mulch layer on sugarcane crop growth and development. To study the latter, an experiment was carried out in Komatipoort at the South African Sugarcane Research Institute’s Experimental Station. Row spacing arrangement was either 1.5 m or 1.2 m x 0.6 m tram rows. N14 was planted as a fast canopy growing cultivar and N26 as a slow canopy growing
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17

Kanamugire, Andre. "A comparison of soil extraction methods for predicting the silicon requirements for sugarcane." 2007. http://hdl.handle.net/10413/3436.

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Although silicon (Si) has not yet been recognized as an essential nutrient element, its application to sugarcane (Saccharum officinarum L.) has proved to be beneficial. Since optimum crop production depends on the maintenance of adequate plant nutrients in the soil, there is a need in the South African sugar industry for a reliable index for assessing the requirement for supplemental silicon (Si) in soils, particularly in reducing the risk of Eldana saccharina stalk borer infestation in cane. The objective of this study was to assess Si availability in soils, to select a suitable Si extraction
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18

Wiles, Luke Wilson. "Total evaporation estimation from sugarcane using the scintillation technique." Thesis, 2006. http://hdl.handle.net/10413/1022.

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Ongoing concerns about the efficient and sustainable utilisation of South Africa’s water resources have resulted in much interest regarding the water use of different land uses within a catchment. Research has been focussed on water use by different dryland vegetation, in particular commercial forestry which has been declared a Stream Flow Reduction Activity for which a water use license is required for production. Consequently, concerns about the water use of other dryland crops have lead to a need to quantify water use by other land uses, particularly sugarcane. In this document, previous re
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19

Shaw, Scott Robert. "Phosphate rock fertilisers to enhance soil P status and P nutrition on organic cropping farms : a thesis presented in partial fulfilment of the requirements for the degree of Master of Plant Science at Massey University." 2009. http://hdl.handle.net/10179/1335.

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The soils used by the East Coast Organic Producers Trust (ECOPT; the grower group that this study is targeted towards) have exceptionally low soil Olsen P concentrations (ca. 6 mg/L). These and other limitations (e.g. poor weed and pest and disease control) result in many ECOPT growers being unable to produce economic yields on anything other than small scale gardens. Fertilisers and manures are seldom used by these growers, which exacerbates the problem. Thus, the object of this research was to provide information to ECOPT on which fertilisers and application strategies would provide the best
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