Zobrazeno 1 - 10
of 169
pro vyhledávání: '"Arno Bernardo Heldwein"'
Autor:
Luis Henrique Loose, Arno Bernardo Heldwein, Jocélia Rosa da Silva, Mateus Leonardi, Mateus Possebon Bortoluzzi, Dionéia Daiane Pitol Lucas
Publikováno v:
Acta Scientiarum: Agronomy, Vol 46, Iss 1 (2024)
Sunflower growth is adversely impacted by both excess and insufficient water. Research on root growth in this crop under water stress conditions remains limited and does not fully elucidate the plant's response to varying soil and climatic conditions
Externí odkaz:
https://doaj.org/article/b9c5f7d343e446d6bd1fd9c19acd2795
Autor:
Paulo Eugenio Schaefer, Astor Henrique Nied, Arno Bernardo Heldwein, Genei Antonio Dalmago, Antonio Carlos Pappis, Jorge Alberto de Gouvêa
Publikováno v:
Acta Scientiarum: Agronomy, Vol 45, Iss 1 (2023)
Waterlogging directly interferes with the production capacity of agricultural crops in response to the morphophysiological changes caused to plants. Since the cultivation of poorly drained soils is traditionally avoided, this study aimed to evaluate
Externí odkaz:
https://doaj.org/article/a1cdbc0ec86d471f91f215233911ca0a
Autor:
Mateus Possebon Bortoluzzi, Paulo Ivonir Gubiani, Arno Bernardo Heldwein, Roberto Trentin, Jocélia Rosa da Silva, Astor Henrique Nied, Alencar Junior Zanon
Publikováno v:
Revista Ambiente & Água, Vol 16, Iss 3, Pp 1-12 (2021)
The aim of this study was to derive a methodology for calculating a sequential water balance that accurately estimates the occurrence of excess water in soybeans cultivated in lowlands. We tested four calculation strategies of water balance associate
Externí odkaz:
https://doaj.org/article/2a88d5f6468c40a286e11816370d6522
Autor:
Mateus Possebon Bortoluzzi, Arno Bernardo Heldwein, Roberto Trentin, Ivan Carlos Maldaner, Jocélia Rosa da Silva, Astor Henrique Nied
Publikováno v:
Revista Brasileira de Meteorologia, Vol 36, Iss 2, Pp 245-256 (2021)
Abstract The objective of this study was to determine the mean duration and the interannual variability of phenological subperiods and total soybean development cycle for 11 sowing dates in the humid subtropical climate conditions of the state of Rio
Externí odkaz:
https://doaj.org/article/a237fc816b044dbfa6a2b8318115b641
Autor:
Cadmo João Onofre Gregory Dos Santos, Leidiana da Rocha, Arno Bernardo Heldwein, Angelica Durigon, Astor Henrique Nied, Bruno Octavio Milanese
Publikováno v:
Ciência Agrícola, Vol 18, Iss 1, Pp 11-19 (2020)
A redução da área foliar das plantas interfere no potencial fotossintético e ocasiona perdas significativas no potencial de rendimento de grãos das culturas agrícolas. O objetivo desse trabalho foi avaliar o efeito da desfolha total na altura d
Externí odkaz:
https://doaj.org/article/8728f436a67549eb9661a0ef6124abd3
Autor:
TALES POLETTO, MARLOVE FÁTIMA B. MUNIZ, ALESSANDRO DAL’COL LUCIO, VINÍCIUS S. FANTINEL, ARNO BERNARDO HELDWEIN, LIA REJANE S. REINIGER, ELENA BLUME
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 92, Iss suppl 1 (2020)
Abstract Brown leaf spot disease, caused by the fungus Ragnhildiana diffusa, is responsible for losses in pecan orchards and quantification is essential in order to conduct epidemiological studies to establish levels of productivity losses, and asses
Externí odkaz:
https://doaj.org/article/16d5bd7ccc4d452296711cdffa97d5ac
Autor:
Mateus Possebom Bortoluzzi, Arno Bernardo Heldwein, Mateus Leonardi, Jocélia Rosa da Silva, Fernando Dill Hinnah, Luis Henrique Loose
Publikováno v:
Revista de Ciências Agrárias, Vol 62 (2019)
O “feijão-de-porco” proporciona boa cobertura do solo, fixação biológica de nitrogênio, redução de processos erosivos e da infestação de plantas daninhas, ação alelopática e potencial fitorremediador de solos contaminados. O objetivo
Externí odkaz:
https://doaj.org/article/a883836da93a420689576af97dfffd9f
Autor:
Dionéia Daiane Pitol Lucas, Arno Bernardo Heldwein, Ivan Carlos Maldaner, Roberto Trentin, Fernando Dill Hinnah, Jocélia Rosa da Silva
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 50, Iss 6, Pp 431-440 (2015)
O objetivo deste trabalho foi identificar datas de semeadura com menor ocorrência média de dias com excedente hídrico para a cultura do girassol, e determinar a persistência de dias consecutivos com excedente hídrico ao se considerar a capacidad
Externí odkaz:
https://doaj.org/article/9d65fea308bc41698b5c69d24f532659
Autor:
André Trevisan de Souza, Nereu Augusto Streck, Arno Bernardo Heldwein, Dilson Antonio Bisognin, José Eduardo Minussi Winck, Thiago Schmitz Marques da Rocha, Alencar Junior Zanon
Publikováno v:
Scientia Agricola, Vol 71, Iss 2, Pp 96-104 (2014)
Potato (Solanum tuberosum ssp. Tuberosum) crop is particularly susceptible to water deficit because of its small and shallow root system. The fraction of transpirable soil water (FTSW) approach has been widely used in the evaluation of plant response
Externí odkaz:
https://doaj.org/article/bab18be3e7a8423aad73a54f84ad91a3
Autor:
Roberto Trentin, Arno Bernardo Heldwein, Nereu Augusto Streck, Gustavo Trentin, Joel Cordeiro da Silva
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 48, Iss 7, Pp 703-713 (2013)
O objetivo deste trabalho foi estimar a duração dos subperíodos fenológicos e do ciclo de desenvolvimento da soja, de acordo com grupos de maturidade e datas de semeadura, e determinar as funções de distribuição de probabilidades que melhor c
Externí odkaz:
https://doaj.org/article/88d030887f4745c2b8cc106fb29019e1