Physical fraction of soil organic matter and HUMIFIED compounds as a function lime and phosphogypsum surface application in a long-term experiment under no-tillage system

• Grant number: 14/16712-2
• Support type: Scholarships abroad - Research Internship - Doctorate
• Effective date (Start): May 07, 2015
• Effective date (End): May 06, 2016
• Field of knowledge: Agronomical Sciences - Agronomy - Soil Science
• Principal researcher: Carlos Alexandre Costa Crusciol
• Grantee: Antonio Carlos de Almeida Carmeis Filho
• Supervisor abroad: Chad J. Penn
• Home Institution: Faculdade de Ciências Agronômicas (FCA). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil
• Research place: Oklahoma State University, United States
• Associated to the scholarship: 13/18462-0 - Changes in Soil Physical Properties and Soil Organic Matter as affected by lime and gypsum surface application in succession wheat/bean in long-term experiment., BP.DR

Abstract

Soil acidity is an important root growth-limiting factor in tropical systems. The surface application of lime and gypsum in no-tillage system can improve soil chemical and physical, which is beneficial for the development of the roots. As a consequence, improving the biomass production and increasing the quantity and quality of soil organic matter. This research project is part of a long-term experiment, set up in 2002/03, at Lageado Experimental Farm, which belongs to the College of Agricultural Sciences, UNESP, Botucatu (SP). Since the implementation, the characterization of humified compounds has never been evaluated. Thus, continuing the experiment, which should probably be the only one in the Tropical region of Brazil with over 11 years of evaluation, the proposal is to evaluate the effect of surface application of lime and phosphogypsum on the quality of soil organic matter in a region that has a dry winter. The experimental design will be in randomized blocks, with 4 treatments and 4 replications. The treatments consist of: 1 - control (without lime and phosphogypsum application), 2 - limestone (with a 2000 kg ha-1 lime application and no phosphogypsum), 3 - plaster (no liming and a 2100 kg ha-1 phosphogypsum application) and 4 - limestone + gypsum (with an application of 2000 kg ha-1 of lime and 2100 kg ha-1 of phosphogypsum). The soil samples will be collected in the 0-5, 5-10 and 10-20 cm depth layers for evaluations of C and N pools (total and particulate) and the characterization of humified compounds. (AU)

Scientific publications

(5)

(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)

CARMEIS FILHO, ANTONIO C. A.; CRUSCIOL, CARLOS A. C.; GUIMARAES, TIARA M.; CALONEGO, JULIANO C.; DA COSTA, CLAUDIO H. M. Changes in Soil Physical Properties and Carbon Protection Mechanisms by Surface Application of Lime in a Tropical No-Tillage System. Soil Science Society of America Journal, v. 82, n. 1, p. 56-65, JAN-FEB 2018. Web of Science Citations: 1.

DA COSTA, CLAUDIO H. M.; CARMEIS FILHO, ANTONIO C. A.; CRUSCIOL, CARLOS A. C.; SORATTO, ROGERIO P.; GUIMARAES, TIARA M. Intensive annual crop production and root development in a tropical acid soil under long-term no-till and soil-amendment management. CROP & PASTURE SCIENCE, v. 69, n. 5, p. 488-505, 2018. Web of Science Citations: 0.

CARMEIS FILHO, A. C. A.; CRUSCIOL, C. A. C.; CASTILHOS, A. M. Liming demand and plant growth improvements for an Oxisol under long-term no-till cropping. JOURNAL OF AGRICULTURAL SCIENCE, v. 155, n. 7, p. 1093-1112, SEP 2017. Web of Science Citations: 2.

CARMEIS FILHO, ANTONIO C. A.; PENN, CHAD J.; CRUSCIOL, CARLOS A. C.; CALONEGO, JULIANO C. Lime and phosphogypsum impacts on soil organic matter pools in a tropical Oxisol under long-term no-till conditions. AGRICULTURE ECOSYSTEMS & ENVIRONMENT, v. 241, p. 11-23, APR 1 2017. Web of Science Citations: 4.

CARMEIS FILHO, ANTONIO C. A.; CRUSCIOL, CARLOS A. C.; GUIMARAES, TIARA M.; CALONEGO, JULIANO C.; MOONEY, SACHA J. Impact of Amendments on the Physical Properties of Soil under Tropical Long-Term No Till Conditions. PLoS One, v. 11, n. 12 DEC 13 2016. Web of Science Citations: 5.