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Check the list of papers from NScTI Citrus
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2020
Azevedo, Fernando Alves; Almeida, Rodrigo Fernandes; Martinelli, Rodrigo; Próspero, Alexandre Gonçalves; Licerre, Raphael; Conceição, Patrícia Marluci; Arantes, Ana Carolina Costa; Dovis, Verônica Lorena; Boaretto, Rodrigo Marceli; Mattos, Dirceu
No-Tillage and High-Density Planting for Tahiti Acid Lime Grafted Onto Flying Dragon Trifoliate Orange Journal Article
In: Frontiers in Sustainable Food Systems, vol. 4, pp. 108, 2020, ISSN: 2571581X.
Abstract | Links | BibTeX | Tags: Citrus latifolia, ecological mower, glyphosate management, intercropping, soil protection, Urochloa ruziziensis, Yield
@article{Azevedo2020,
title = {No-Tillage and High-Density Planting for Tahiti Acid Lime Grafted Onto Flying Dragon Trifoliate Orange},
author = {Fernando Alves Azevedo and Rodrigo Fernandes Almeida and Rodrigo Martinelli and Alexandre Gonçalves Próspero and Raphael Licerre and Patrícia Marluci Conceição and Ana Carolina Costa Arantes and Verônica Lorena Dovis and Rodrigo Marceli Boaretto and Dirceu Mattos},
doi = {10.3389/FSUFS.2020.00108/BIBTEX},
issn = {2571581X},
year = {2020},
date = {2020-01-01},
journal = {Frontiers in Sustainable Food Systems},
volume = {4},
pages = {108},
publisher = {Frontiers Media S.A.},
abstract = {The management of soil cover plants (intercropping) in orchards can contribute to increase productivity of citrus trees. Thus, the present research aimed to evaluate different planting systems for Tahiti acid lime grafted onto Flying Dragon trifoliate orange, a dwarfing rootstock, at high planting density (1,157 trees ha–1). The study was set up in four tillage systems, using Urochloa ruziziensis as an intercrop species in the orchard, and conducted for 5 years: no-tillage (NT), no-tillage and no-herbicide (NT-NH), minimum tillage (MT) and conventional tillage (CT; without intercropping). Dry matter (DM) production of biomass in the row and interrow of the orchard was evaluated yearly, as well as weed density, soil physical and chemical characteristics, plant water and nutritional status, and fruit yield of trees. Greater deposition of DM of biomass was observed in the row of citrus planting for treatments NT and NT-NH compared to CT and MT treatments, which led to reduced undesirable weed populations. The NT treatment also provided increases of 79% in potassium (K) nutrient concentrations in the leaves of trees and 60% in exchangeable K in the soil surface layer, in the first 2 years evaluated. The maintenance of the Urochloa ruziziensis mulch in the NT system also provided higher soil volumetric moisture content and consequently lower soil resistance penetration and water stress on trees, evidenced by the predawn plant leaf water potential (<1 MPa). Moreover, the NT treatment provided an average increase of 56% of fruit yield from trees compared to the CT treatment during three harvests. This long-term study demonstrated the contribution of the no-tillage system using a favorable cover crop to increase the yield of Tahiti acid lime fruits and maintain the soil quality most required for the sustainability of citrus production.},
keywords = {Citrus latifolia, ecological mower, glyphosate management, intercropping, soil protection, Urochloa ruziziensis, Yield},
pubstate = {published},
tppubtype = {article}
}
The management of soil cover plants (intercropping) in orchards can contribute to increase productivity of citrus trees. Thus, the present research aimed to evaluate different planting systems for Tahiti acid lime grafted onto Flying Dragon trifoliate orange, a dwarfing rootstock, at high planting density (1,157 trees ha–1). The study was set up in four tillage systems, using Urochloa ruziziensis as an intercrop species in the orchard, and conducted for 5 years: no-tillage (NT), no-tillage and no-herbicide (NT-NH), minimum tillage (MT) and conventional tillage (CT; without intercropping). Dry matter (DM) production of biomass in the row and interrow of the orchard was evaluated yearly, as well as weed density, soil physical and chemical characteristics, plant water and nutritional status, and fruit yield of trees. Greater deposition of DM of biomass was observed in the row of citrus planting for treatments NT and NT-NH compared to CT and MT treatments, which led to reduced undesirable weed populations. The NT treatment also provided increases of 79% in potassium (K) nutrient concentrations in the leaves of trees and 60% in exchangeable K in the soil surface layer, in the first 2 years evaluated. The maintenance of the Urochloa ruziziensis mulch in the NT system also provided higher soil volumetric moisture content and consequently lower soil resistance penetration and water stress on trees, evidenced by the predawn plant leaf water potential (<1 MPa). Moreover, the NT treatment provided an average increase of 56% of fruit yield from trees compared to the CT treatment during three harvests. This long-term study demonstrated the contribution of the no-tillage system using a favorable cover crop to increase the yield of Tahiti acid lime fruits and maintain the soil quality most required for the sustainability of citrus production.
2017
Martinelli, Rodrigo; Monquero, Patrícia A.; Fontanetti, Anastácia; Conceição, Patrícia M.; Azevedo, Fernando A.
Ecological Mowing: An Option for Sustainable Weed Management in Young Citrus Orchards Journal Article
In: Weed Technology, vol. 31, iss. 2, pp. 260-268, 2017, ISSN: 0890-037X.
Abstract | Links | BibTeX | Tags: C.M. Evrard) Morrone &, Citrus latifolia (Yu. Tanaka) Tanaka., conservation agriculture, conventional mower, cover crops, ecological mower, Glyphosate, integrated weed management, mulch, no-tillage, ruzi grass, signal grass, Tahiti acid lime, Urochloa decumbens (Stapf) R.D. Webster, Urochloa ruziziensis (R. Germ. &, Zuloaga
@article{Martinelli2017,
title = {Ecological Mowing: An Option for Sustainable Weed Management in Young Citrus Orchards},
author = {Rodrigo Martinelli and Patrícia A. Monquero and Anastácia Fontanetti and Patrícia M. Conceição and Fernando A. Azevedo},
url = {https://www.cambridge.org/core/journals/weed-technology/article/abs/ecological-mowing-an-option-for-sustainable-weed-management-in-young-citrus-orchards/4090F7F06F7C0EFA72E5861A8BA4EF0C},
doi = {10.1017/WET.2017.3},
issn = {0890-037X},
year = {2017},
date = {2017-01-01},
journal = {Weed Technology},
volume = {31},
issue = {2},
pages = {260-268},
publisher = {Cambridge University Press},
abstract = {The citrus yield in Brazil is not ranked among the best in the world, potentially due to inadequate management by citrus growers. The low adoption of conservation agriculture (CA) techniques and the improper application of herbicides are also well-known problems. Thus, this study evaluated the use of CA techniques, and two Urochloa species (ruzi grass and signal grass) were used as cover crops. Two different types of mowers (ecological, EM; conventional, CM) launched the mowed biomass into different positions within a young Tahiti acid lime orchard (up to four years old). In addition, the integration of glyphosate into this management system was evaluated, with (GLY) and without (NO GLY) glyphosate application. This experiment was conducted across three growing seasons (2011-2014), in Mogi Mirim, São Paulo State, Brazil. The cover crop biomass yields and the effects of the mowing treatments, weed density, vegetative growth and fruit yields of the Tahiti acid lime trees were evaluated. In terms of major results, signal grass produced higher biomass yield values (up to 64%) than ruzi grass; EM promoted higher mowed biomass values in the intra-row (up to 5.1 ton ha−1, 9.0 times higher than CM), and a higher canopy volume (up to 33% than CM). These results were enhanced when ruzi grass was associated with the EM (56% lower weed density; 126% higher fruit yield than CM) and with GLY (52% higher fruit yield than NO GLY); and EM with GLY (43% lesser weed density and 107% higher fruit yield than NO GLY). Overall, ruzi grass was a good cover crop because it provided less competition for the citrus trees, EM provided a mulch layer in the intra-row of the citrus trees, and associated with GLY, these approaches could provide options for an integrated and more sustainable weed management, primarily for young Tahiti acid lime orchards.},
keywords = {C.M. Evrard) Morrone &, Citrus latifolia (Yu. Tanaka) Tanaka., conservation agriculture, conventional mower, cover crops, ecological mower, Glyphosate, integrated weed management, mulch, no-tillage, ruzi grass, signal grass, Tahiti acid lime, Urochloa decumbens (Stapf) R.D. Webster, Urochloa ruziziensis (R. Germ. &, Zuloaga},
pubstate = {published},
tppubtype = {article}
}
The citrus yield in Brazil is not ranked among the best in the world, potentially due to inadequate management by citrus growers. The low adoption of conservation agriculture (CA) techniques and the improper application of herbicides are also well-known problems. Thus, this study evaluated the use of CA techniques, and two Urochloa species (ruzi grass and signal grass) were used as cover crops. Two different types of mowers (ecological, EM; conventional, CM) launched the mowed biomass into different positions within a young Tahiti acid lime orchard (up to four years old). In addition, the integration of glyphosate into this management system was evaluated, with (GLY) and without (NO GLY) glyphosate application. This experiment was conducted across three growing seasons (2011-2014), in Mogi Mirim, São Paulo State, Brazil. The cover crop biomass yields and the effects of the mowing treatments, weed density, vegetative growth and fruit yields of the Tahiti acid lime trees were evaluated. In terms of major results, signal grass produced higher biomass yield values (up to 64%) than ruzi grass; EM promoted higher mowed biomass values in the intra-row (up to 5.1 ton ha−1, 9.0 times higher than CM), and a higher canopy volume (up to 33% than CM). These results were enhanced when ruzi grass was associated with the EM (56% lower weed density; 126% higher fruit yield than CM) and with GLY (52% higher fruit yield than NO GLY); and EM with GLY (43% lesser weed density and 107% higher fruit yield than NO GLY). Overall, ruzi grass was a good cover crop because it provided less competition for the citrus trees, EM provided a mulch layer in the intra-row of the citrus trees, and associated with GLY, these approaches could provide options for an integrated and more sustainable weed management, primarily for young Tahiti acid lime orchards.