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Influence of crop residues on water consumption, growth and yield of irrigated sugarcane

Grant number: 13/16511-4
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): December 01, 2013
Effective date (End): June 30, 2016
Field of knowledge:Agronomical Sciences - Agronomy - Agricultural Meteorology
Principal researcher:Fabio Ricardo Marin
Grantee:Leandro Garcia da Costa
Home Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil
Associated scholarship(s):14/19410-7 - Trash management effects on sugarcane growth, yield and water use for Brazilian and Australian farming systems, BE.EP.DR


Brazil is the greatest world sugarcane producer, and the use of ethanol remark as a reference in terms of renewable energy user. In the last decade, the increasing demand for sugar and ethanol increase the crop expansion mainly in the west of São Paulo State and Midwest of Brazil, where irrigation is required (and sometimes essential) for the crop growth and production. Also, irrigated agriculture is increasingly pressured by limited water resources and the increasing demand for the use of springs. Thus, the improvement of irrigation management for extensive crops is a need. An important issue for the sugarcane industry is the trash management, which can modify the soil microbiology, carbon cycle, nitrogen, and crop evapotranspiration. This project aims to study the effect of trash on sugarcane evapotranspiration using different complementary methods to assess water used by crop in different system components, such as the leaves, plant stem and the whole field. The whole set of measures on crop development and growth will be taken for well characterizing the cultivar. Besides the water use evaluation, field data will be also used for checking and (eventually) improve process based crop model (mainly APSIM-Sugarcane) algorithms regarding crop water relations and plant growth and production. The calibrated model is assumed to be a tool for regional extrapolation of the results.

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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MARIN, FABIO R.; THORBURN, PETER J.; NASSIF, DANIEL S. P.; COSTA, LEANDRO G.. Sugarcane model intercomparison: Structural differences and uncertainties under current and potential future climates. ENVIRONMENTAL MODELLING & SOFTWARE, v. 72, p. 372-386, . (11/18072-2, 13/16511-4)
IVO Z. GONÇALVES; LEANDRO G. DA COSTA; FÁBIO R. MARIN. Simulando a resposta da produtividade da cana-de-açúcar a reposições da ETc e quantidade da palhada no Brasil. Revista Brasileira de Engenharia Agrícola e Ambiental, v. 26, n. 8, p. 586-593, . (14/12406-4, 17/20925-0, 14/19410-7, 13/16511-4, 20/08365-1, 21/00720-0)
PINTO NASSIF, DANIEL SILVEIRA; DA COSTA, LEANDRO GARCIA; VIANNA, MURILO DOS SANTOS; CARVALHO, KASSIO DOS SANTOS; MARIN, FABIO RICARDO. The role of decoupling factor on sugarcane crop water use under tropical conditions. EXPERIMENTAL AGRICULTURE, v. 55, n. 6, p. 913-923, . (11/18072-2, 14/50023-0, 13/16511-4, 14/05887-6, 14/12406-4)
MARIN, FABIO R.; ANGELOCCI, LUIZ R.; NASSIF, DANIEL S. P.; COSTA, LEANDRO G.; VIANNA, MURILO S.; CARVALHO, KASSIO S.. Crop coefficient changes with reference evapotranspiration for highly canopy-atmosphere coupled crops. Agricultural Water Management, v. 163, p. 139-145, . (14/50023-0, 14/12406-4, 11/18072-2, 13/16511-4, 14/05887-6)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
COSTA, Leandro Garcia da. Growth, development and sugarcane water use considering two different trash management systems. 2016. Doctoral Thesis - Universidade de São Paulo (USP). Escola Superior de Agricultura Luiz de Queiroz (ESALA/BC) Piracicaba.

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