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dc.contributor.author
Salvagiotti, Fernando
dc.contributor.author
Ferraris, Gustavo Nestor
dc.contributor.author
Quiroga, Alberto Raul
dc.contributor.author
Barraco, Mirian Raquel
dc.contributor.author
Vivas, Hugo
dc.contributor.author
Prystupa, Pablo
dc.contributor.author
Echeverria, Hernan Eduardo
dc.contributor.author
Gutiérrez Boem, Flavio Hernán
dc.date.available
2018-09-17T21:52:26Z
dc.date.issued
2012-08
dc.identifier.citation
Salvagiotti, Fernando; Ferraris, Gustavo Nestor; Quiroga, Alberto Raul; Barraco, Mirian Raquel; Vivas, Hugo; et al.; Identifying sulfur deficient fields by using sulfur content; N: S ratio and nutrient stoichiometric relationships in soybean seeds; Elsevier Science; Field Crops Research; 135; 8-2012; 107-115
dc.identifier.issn
0378-4290
dc.identifier.uri
http://hdl.handle.net/11336/60026
dc.description.abstract
Sulfur (S) fertilization has increasingly become an important issue in crop management. In Argentina S deficiencies have been reported, but there has been no success in finding soil tests for predicting soybean response to S fertilization. The objectives of this study were to: (i) evaluate seed S and N:S ratio as a tool for identifying S deficient soybean crops in field conditions and (ii) determine shifts in stoichiometric relationships among nitrogen (N), phosphorus (P) and S in soybean seeds which can be used for identifying S responsive sites under field conditions. Seed samples from 20 field experiments designed to explore response to S fertilization in soybean were collected in a large area in the Argentinean Pampas region. Seed yield (SY) and P (%P), S (%S) and N (%N) concentration in seeds were determined. Different data analyses were tested in order to find an S deficiency index. Moderate SY responses to S fertilization were observed in the present study (i.e. relative SY was never below 75%). seed S concentration increased in response to S fertilization in most responsive sites, and N:S ratio was governed by variations in seed S concentration. Stoichiometric relationships were more accurate for identifying S responsive sites than using single variables (e.g. seed S concentration or N:S). The isometric variations among N, P and S suggest that the accumulation of these nutrients is proportional in seed tissue. A significant increase in the intercept of the stoichiometric relationship between N and S in S deficient crops was observed. An S deficient index (SDI) was calculated based on this difference that can be used as a diagnostic tool for identifying S responsive sites in soybean. The present study shows a novel approach for using stoichiometric concepts in fertilizer management in soybean.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
N:S Ratio
dc.subject
Nitrogen
dc.subject
Phosphorus
dc.subject
Soybean
dc.subject
Stoichiometric Relationships
dc.subject
Sulfur
dc.subject.classification
Agricultura
dc.subject.classification
Agricultura, Silvicultura y Pesca
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CIENCIAS AGRÍCOLAS
dc.title
Identifying sulfur deficient fields by using sulfur content; N: S ratio and nutrient stoichiometric relationships in soybean seeds
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-09-12T19:10:47Z
dc.journal.volume
135
dc.journal.pagination
107-115
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Salvagiotti, Fernando. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Santa Fe. Estación Experimental Agropecuaria Oliveros; Argentina
dc.description.fil
Fil: Ferraris, Gustavo Nestor. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires Norte. Estación Experimental Agropecuaria Pergamino; Argentina
dc.description.fil
Fil: Quiroga, Alberto Raul. Instituto Nacional de Tecnología Agropecuaria. Centro Regional La Pampa-San Luis. Estación Experimental Agropecuaria Anguil; Argentina
dc.description.fil
Fil: Barraco, Mirian Raquel. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires. Estación Experimental General Villegas; Argentina
dc.description.fil
Fil: Vivas, Hugo. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Santa Fe. Estación Experimental Agropecuaria Rafaela; Argentina
dc.description.fil
Fil: Prystupa, Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales; Argentina
dc.description.fil
Fil: Echeverria, Hernan Eduardo. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires Sur. Estación Experimental Agropecuaria Balcarce; Argentina
dc.description.fil
Fil: Gutiérrez Boem, Flavio Hernán. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales; Argentina
dc.journal.title
Field Crops Research
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0378429012002377
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.fcr.2012.07.011
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