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Grant number: 11/15361-3
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): March 01, 2012
Effective date (End): July 31, 2013
Field of knowledge:Agronomical Sciences - Agronomy - Crop Science
Principal Investigator:Juliano Carlos Calonego
Grantee:João Paulo Gonsiorkiewicz Rigon
Host Institution: Faculdade de Ciências Agronômicas (FCA). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil


According to the agricultural soils acting as a source or drain of greenhouse gases, depending on management practices utilized, there is a need to determine the systems that contribute most to reduce emissions by promoting the accumulation of stable carbon and organic matter in soil. In this case, the objective is to evaluate the emissions of greenhouse gases as a function of different crop rotations in Direct Seeding System (DSS), relating to the input of soil carbon coming from the plant residues. The research will be performed in two areas conducted in SSD for at least ten years, with different crop rotations at the Experimental Farm Lageado. Will be analyzed contents C and N in the straw remains on the soil during the management of cover crops and crop species graníferas. Measurements of CO2, N2O and CH4 will be analyzed by gas chromatography, was performed at 1, 3, 8, 15 and 30 days after soybean harvest of 2011/2012 crop (from March 2012), after management of cover crops for fall / winter season (from September 2012), after managing the plants in spring (from November 2012) and closing the cycle, after soybean harvest of 2012/2013 season (from March 2013 ). It is intended to identify, among the different rotations, which crops permit a reduced emission of greenhouse gases, taking into account the contribution of carbon and organic matter. Therefore, can calculate the actual impact of management practices and thus, recommend species and to assist in mitigating the greenhouse effect.

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Scientific publications
(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)
GONSIORKIEWICZ RIGON, JOAO PAULO; CALONEGO, JULIANO CARLOS; ROSOLEM, CIRO ANTONIO; LA SCALA, JR., NEWTON. Cover crop rotations in no-till system: short-term CO2 emissions and soybean yield. Scientia Agricola, v. 75, n. 1, p. 18-26, . (09/16060-7, 11/15361-3)
GONSIORKIEWICZ RIGON, JOAO PAULO; CALONEGO, JULIANO CARLOS; GUIMARAES, TIARA MORAES; ROSOLEM, CIRO ANTONIO. Critical Periods of Storage of the Greenhouse Gases in Polypropylene Syringe. Communications in Soil Science and Plant Analysis, v. 48, n. 14, p. 1726-1732, . (11/15361-3)
GONSIORKIEWICZ RIGON, JOAO PAULO; CALONEGO, JULIANO CARLOS; PIVETTA, LAERCIO AUGUSTO; CASTOLDI, GUSTAVO; ANTONIO RAPHAEL, JUAN PIERO; ROSOLEM, CIRO ANTONIO. sing cover crops to offset greenhouse gas emissions from a tropical soil under no-til. EXPERIMENTAL AGRICULTURE, v. 57, n. 4, p. 217-231, . (11/02117-7, 11/15361-3)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
RIGON, João Paulo Gonsiorkiewicz. Emissão de gases de efeito estufa em áreas de sistema semeadura direta com aportes diferenciados de carbono e nitrogênio. 2013. Master's Dissertation - Universidade Estadual Paulista (Unesp). Faculdade de Ciências Agronômicas. Botucatu Botucatu.

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