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All publications of “Paulo Emílio Lovato”

6 results

Nitrous Oxide Emissions in No-Tillage Onion ( Allium cepa L.) Crops Are Increased by Oilseed Radish Cover Crop and Poultry Manure Application

Vilmar Müller Júnior ORCID logo , Leoncio de Paula Koucher, Monique Souza, Andria Paula Lima, Claudinei Kurtz, Rafael da Rosa Couto, [...]

10/Apr/2019

ABSTRACT The use of cover crops and poultry manure (PM) is an alternative to reduce the use of synthetic inputs and can contribute to the nutrient cycling in onions ( Allium cepa L.) grown under a no-tillage system. However, this management practice may contribute to an increase in N2O emissions to the atmosphere. The aims of this study were to evaluate the immediate effect on N2O emissions of adding PM onto cover crop residues and to verify the effect of […]

Chemical Properties in Macroaggregates of a Humic Dystrudept Cultivated with Onion under No-Till and Conventional Tillage Systems

Luiz Henrique dos Santos, Ludiana Canton, Barbara Santos Ventura, Guilherme Wilbert Ferreira, Claudinei Kurtz, Gustavo Brunetto, [...]

12/Jun/2017

ABSTRACT Nutrients present in soil aggregates are essential for maintaining the productive capacity of agroecosystems and environmental quality. The aim of this study was to evaluate the chemical properties of macroaggregates of a Humic Dystrudept cultivated with onions under a no-till vegetable system (NTVS) compared to the conventional tillage system (CTS) and a forest area in Ituporanga, SC, Brazil. The treatments consisted of the following single and mixed cover crops with onion under the NTVS: spontaneous vegetation, 100 % black […]

Root Proteomic Analysis of Grapevine Rootstocks Inoculated with Rhizophagus irregularis and Fusarium oxysporum f. sp. herbemontis

Elisa Vilvert, Murilo Dalla Costa, Gabriela Claudia Cangahuala-Inocente, Paulo Emílio Lovato

11/Jan/2017

ABSTRACT Grapevine decline and death caused by the pathogenic fungus Fusarium oxysporum f. sp. herbemontis is among the main phytosanitary problem for viticulture in southern Brazil. The eradication of infected plants is presently the most common procedure for disease control in vineyards. Inoculation with arbuscular mycorrhizal fungi is an option to reduce or neutralize the negative impacts of soil pathogenic microorganisms, but the mechanisms of plant response involved in this process are not yet completely elucidated. In order to better […]

Cover Crops Effects on Soil Chemical Properties and Onion Yield

Rodolfo Assis de Oliveira, Gustavo Brunetto, Arcângelo Loss, Luciano Colpo Gatiboni, Claudinei Kürtz, Vilmar Müller, [...]

06/Jun/2016

ABSTRACT Cover crops contribute to nutrient cycling and may improve soil chemical properties and, consequently, increase crop yield. The aim of this study was to evaluate cover crop residue decomposition and nutrient release, and the effects of these plants on soil chemical properties and on onion (Allium cepa L.) yield in a no-tillage system. The experiment was carried out in an Inceptisol in southern Brazil, where cover crops were sown in April 2012 and 2013. In July 2013, shoots of […]

Occurrence and Structure of Arbuscular Mycorrhizal Fungal Communities in Cassava after Cultivation of Cover Crops as Observed by the “PCR-DGGE” Technique

Elaine dos Santos Heberle, Rafael Dutra de Armas, Daniel Alexandre Heberle, Sidney Luiz Stürmer, Luiz Augusto Martins Peruch, Paulo Emílio Lovato, [...]

01/Sep/2015

ABSTRACT Cassava (Manihot esculenta Crantz) is a highly mycotrophic crop, and prior soil cover may affect the density of arbuscular mycorrhizal fungi (AMFs), as well as the composition of the AMFs community in the soil. The aim of this study was to evaluate the occurrence and the structure of AMFs communities in cassava grown after different cover crops, and the effect of the cover crop on mineral nutrition and cassava yield under an organic farming system. The occurrence and structure […]

TOTAL ORGANIC CARBON AND SOIL AGGREGATION UNDER A NO-TILLAGE AGROECOLOGICAL SYSTEM AND CONVENTIONAL TILLAGE SYSTEM FOR ONION

Arcângelo Loss, Alex Basso, Bruno Salvador Oliveira, Leôncio de Paula Koucher, Rodolfo Assis de Oliveira, Claudinei Kurtz, [...]

01/Jul/2015

As a result of soil management systems, like the conventional tillage system (CTS) versus the no-tillage system (NTS) for vegetable crops, modifications in soil properties occur, which change, for example, the rates of soil aggregation and the content of total organic carbon (TOC). The aim of this study was to quantify the TOC contents and evaluate the rates of soil aggregation and the distribution of aggregates by diameter classes in a soil planted to onion in NTS and CTS and […]