Understanding nutrient competition between Echinochloa spp. and Oryza sativa L.

Autor: André da Rosa Ulguim, Roberto Avila Neto, Filipe Selau Carlos, Nereu Augusto Streck, Gean Leonardo Richter

Publikováno v: Journal of Plant Protection Research, Vol 60, Iss 3, Pp 296-310 (2020)

Weed competition in southern Brazil is one of the main limiting factors for Oryza sativa L. (flooded rice) yield. Echinochloa spp. (barnyardgrass) occurs at a high frequency. Although the potential for weed interference in this cereal is well known

Externí odkaz: https://doaj.org/article/ae00bef3c53f4d79b23fbb320edf7715

Introducing rice yield loss caused by weed competition into the SimulArroz model

Autor: Gean Leonardo Richter, Nereu Augusto Streck, Alencar Junior Zanon, André da Rosa Ulguim, Nelson Diehl Kruse, Gionei Alves de Assis dos Santos, Jossana Ceolin Cera, Giovana Ghisleni Ribas, Ary José Duarte Junior, Isabela Bulegon Pilecco

Publikováno v: Pesquisa Agropecuária Brasileira, Vol 54 (2019)

Abstract: The objective of this work was to model weedy rice (Oryza sativa) and barnyard grass (Echinochloa spp.) competition with flood-irrigated rice, introducing it as a submodule into the SimulArroz model. The competition of both weeds with irrig

Externí odkaz: https://doaj.org/article/9c489668781f4fefa9b1111d3c52ec53

Can leaf area in rice be defined by a mathematical model?

Autor: Bruna San Martin Rolim Ribeiro, Michel Rocha da Silva, Gean Leonardo Richter, Giovana Ghisleni Ribas, Nereu Augusto Streck, Alencar Junior Zanon

Publikováno v: Revista Ceres, Vol 66, Iss 3, Pp 191-199

ABSTRACT The goal of this study was to define an empirical model to calculate the leaf area in rice from linear leaf measure in genotypes used by farmers in Brazil. Through the leaf dimensions it is possible to identify the final crop yield from the

Externí odkaz: https://doaj.org/article/82dd1b97c8e84fdf9ae60e078151e5c5

Biophysical and management factors causing yield gap in soybean in the subtropics of Brazil

Autor: Kelin Pribs Bexaira, Darlan Scapini Balest, Michel Rocha da Silva, Gean Leonardo Richter, Giovana Ghisleni Ribas, Solon Lemos da Rosa, Alencar Junior Zanon, Eduardo Lago Tagliapietra, Nereu Augusto Streck

Publikováno v: Agronomy Journal. 113:1882-1894

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6a6991faf17433fa3a13321dd93e20ed
https://doi.org/10.1002/agj2.20586

Uma atualização de novas cultivares de arroz irrigado por inundação no modelo SimulArroz

Autor: Giovana Ghisleni Ribas, Nereu Augusto Streck, Ary José Duarte Junior, Bruna San Martin Rolin Ribeiro, Isabela Bulegon Pilecco, Ioran Guedes Rossato, Gean Leonardo Richter, Kelin Pribs Bexaira, Vladison Fogliato Pereira, Alencar Junior Zanon

Publikováno v: Pesquisa Agropecuária Brasileira v.55 2020
Pesquisa Agropecuária Brasileira
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
Pesquisa Agropecuária Brasileira, Volume: 55, Article number: e00865, Published: 17 FEB 2020
Pesquisa Agropecuária Brasileira, Vol 55 (2020)

The objective of this work was to model, in the SimulArroz model, the three flood-irrigated rice (Oryza sativa) cultivars currently most grown in the state of Rio Grande do Sul, Brazil. The experiments to calibrate and validate the model were conduct

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea3f728b200a2642fc1b31b74461977d
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2020000101001