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Phosphorus dynamics and its fractions in soils under pasture-sugarcane conversion and intensification in pastureland

Grant number: 17/11332-5
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): July 01, 2017
Status:Discontinued
Field of knowledge:Agronomical Sciences - Agronomy
Principal Investigator:Luiz Antonio Martinelli
Grantee:Amin Soltangheisi
Home Institution: Centro de Energia Nuclear na Agricultura (CENA). Universidade de São Paulo (USP). Piracicaba , SP, Brazil
Associated research grant:15/18790-3 - Environmental effects of the pasture-sugarcane conversion and pasture intensification, AP.PFPMCG.TEM
Associated scholarship(s):19/21532-7 - Organic phosphorus changes with land use change in Brazil, BE.EP.PD

Abstract

This research work hypothesizes that the conversion of pasturelands to sugarcane fields and the intensification in pastureland management can change the dynamics of P pools, P speciation and the size and type of organic pools in the soil over time. Also, vinasse as an organic residue, can improve the efficiency of soil and fertilizer P used in sugarcane cultivation, by (a) acting as a P source at planting, (b) stimulating microbial solubilization of non-labile soil P and (c) reducing the adsorption of soluble P by soil colloids.This study will address long term changes of P speciation as a result of land use change and fertilization with inorganic and organic P sources. The aim of our investigation is to evaluate P speciation due to land use change and fertilization of soils with different textures, and we will use P K-edge XANES spectroscopy, 31P-NMR spectroscopy and sequential soil chemical P fractionation to determine these changes

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)
SOLTANGHEISI, AMIN; BETTONI TELES, ANA PAULA; SARTOR, LAERCIO RICARDO; PAVINATO, PAULO SERGIO. Cover Cropping May Alter Legacy Phosphorus Dynamics Under Long-Term Fertilizer Addition. FRONTIERS IN ENVIRONMENTAL SCIENCE, v. 8, FEB 11 2020. Web of Science Citations: 0.
SOLTANGHEISI, AMIN; WITHERS, PAUL J. A.; PAVINATO, PAULO SERGIO; CHERUBIN, MAURICIO ROBERTO; ROSSETTO, RAFFAELLA; DO CARMO, JANAINA BRAGA; DA ROCHA, GUSTAVO CASONI; MARTINELLI, LUIZ ANTONIO. Improving phosphorus sustainability of sugarcane production in Brazil. Global Change Biology Bioenergy, v. 11, n. 12, p. 1444-1455, DEC 2019. Web of Science Citations: 0.
SOLTANGHEISI, AMIN; DE MORAES, MOACIR TUZZIN; CHERUBIN, MAURICIO ROBERTO; ALVAREZ, DASIEL OBREGON; DE SOUZA, LEANDRO FONSECA; BIELUCZYK, WANDERLEI; NAVROSKI, DEISI; BETTONI TELES, ANA PAULA; PAVINATO, PAULO SERGIO; MARTINELLI, LUIZ ANTONIO; TSAI, SIU MUI; DE CAMARGO, PLINIO BARBOSA. Forest conversion to pasture affects soil phosphorus dynamics and nutritional status in Brazilian Amazon. SOIL & TILLAGE RESEARCH, v. 194, NOV 2019. Web of Science Citations: 0.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.