A5083464930- Growth and nutrition in plants
- Irrigation Practices and Water Management
- Soil Management and Crop Yield
- Agricultural and Food Sciences
- Silicon Effects in Agriculture
- Banana Cultivation and Research
- Crop Yield and Soil Fertility
- Rural Development and Agriculture
- Geography and Environmental Studies
- Leaf Properties and Growth Measurement
- Soil Moisture and Remote Sensing
- Plant Water Relations and Carbon Dynamics
- Plant Physiology and Cultivation Studies
- Magnetic and Electromagnetic Effects
- Genetics and Plant Breeding
- Agronomic Practices and Intercropping Systems
- Sugarcane Cultivation and Processing
- Coffee research and impacts
- Soil Geostatistics and Mapping
- Greenhouse Technology and Climate Control
- Wastewater Treatment and Reuse
- Polymer-Based Agricultural Enhancements
- Pineapple and bromelain studies
- Flowering Plant Growth and Cultivation
- Rice Cultivation and Yield Improvement
Universidade Estadual de Maringá
2016-2025
Universidade Aberta
2022
University of Trás-os-Montes and Alto Douro
2022
American Society of Safety Professionals
2020
Coordenação de Aperfeicoamento de Pessoal de Nível Superior
2019
Unifor
2019
Temper (United States)
2019
Centro Universitário Cesumar
2019
Univar (United Kingdom)
2017
Universidade Federal de São Carlos
2015
Deficit irrigation is applied to several agricultural crops as a water-saving strategy. The tomato plant sensitive water stress; however, integration with biostimulant applications, based on seaweed extracts, could be strategy for plants adapting this abiotic condition. objective of study was evaluate agronomic and quality aspects cultivated under deficit combined Ascophyllum nodosum extract (ANE) application. experiment conducted using completely randomized design two replacement levels, 70...
A água residuária de suinocultura (ARS) possui características que possibilitam sua disposição no solo como fertilizante. Esta é uma alternativa para o não acúmulo desse material na propriedade, além proporcionar redução custos com fertilizantes químicos. O objetivo do trabalho foi avaliar efeito da aplicação sobre as propriedades químicas um Latossolo Vermelho distrófico e a produção capim elefante (Pennisetum purpureum Schum). experimento realizado em condições campo, os tratamentos...
ABSTRACT The objective of the present study was to evaluate response eggplant, cv. ‘Ciça’, with respect yield, number fruits and dry matter (root stem), when grown in a greenhouse conducted under fertigation nitrogen potassium. experiment Irrigation Technical Center State University Maringá, between months February August 2015. Four doses (0.0; 6.43; 12.86 25.72 g N plant-1) four potassium 5.18; 10.36 20.73 K were tested, totaling 16 treatments 4 x factorial scheme, arranged completely...
A utilização do déficit hídrico controlado na irrigação reduz os custos de produção.Assim,esse trabalho propôs estudar a com em diferentes fases da cultura soja. O experimento foi conduzidono Dep. Eng.de Biossistemas-ESALQ/USP, Piracicaba-SP, no ano agrícola 2012/13,utilizando uma casa vegetaçãoequipada 48 lisímetros drenagem de1,1 m largura,1,3mde comprimento e 0,75m profundidade. delineamento foiem blocos casualizados 4repetições para aplicação dos tratamentos,o ciclo dividido nos...
ABSTRACT The ability of antioxidant compounds in vegetables to prevent disease is important for the pharmaceutical and food industries. In addition, water stress can enhance existing capacity plants. As such, this study aimed assess effect different irrigation depths selenium application on postharvest characteristics cauliflower. A randomized block design was used a 3 x 2 factorial scheme, with four repetitions. first factor consisted three regulated deficit (RDI): severe (50% ETc) moderate...
Public databases for glaucoma studies contain color images of the retina, emphasizing optic papilla. These are intended research and standardized automated methodologies such as those using deep learning techniques. techniques used to solve complex problems in medical imaging, particularly screening glaucomatous disease. The development has demonstrated potential implementing protocols large-scale population, eliminating possible diagnostic doubts among specialists, benefiting early...
Objetivou-se, neste trabalho, estudar os efeitos de diferentes soluções nutritivas aplicadas em duas vazões na produção hidropônica da alface (Lactuca sativa), cultivada pelo sistema NFT (Nutritive Film Technique). O experimento foi conduzido casa vegetação, unidade pesquisa agricultura irrigada Universidade Estadual Maringá. Os tratamentos constaram três com concentrações (S1=0,8 dS/m, S2=1,2 dS/m e S3=2,5 dS/m), combinadas aplicação (V1=0,8 L.min-1 V2=1,2 ) nos canais cultivo esquema...
ABSTRACT The objective of this work was to determine the water consumption and crop coefficient melon in a protected environment. experiment conducted greenhouse at Technical Center Irrigation State University Maringá, PR. hybrid used Sunrise irrigations were performed daily by drip irrigation. Crop requirement quantified based on its evapotranspiration directly measured through constant table lysimeters. Weather information collected an automatic weather station, installed inside...
O girassol (Helianthus annuus L.), que é comumente cultivado para produção de sementes e óleo, também apresenta potencial uso como planta ornamental. Entretanto, seu porte elevado dificulta essa utilização, principalmente flor em vaso. Objetivou-se neste experimento avaliar os efeitos do regulador crescimento paclobutrazol sobre o plantas vaso, cultivadas sistema hidropônico, dentro estufa, vasos preenchidos com sílica moída. Os dois genótipos utilizados foram BRS Oásis, capítulo marrom...
ABSTRACT Water deficit in cauliflower cultivation may impair its development and yield. This study aimed to analyze the agronomic performance of grown a protected environment, under different water conditions silicon (Si) doses. The experiment was arranged randomized block design, 3 x 4 factorial scheme, with three levels replacement [40, 70 100 % evapotranspiration (ETc)] four Si doses (0, 50, 150 kg ha-1), replications. Leaf (SPAD index, area, fresh dry weight), stem (diameter, height,...
Objetivou-se neste trabalho estudar os efeitos de um regulador crescimento (paclobutrazol) sobre o e a produção flores girassol em vasos, crescidos sob sistema hidropônico. Foram utilizados dois genótipos (BRS Oásis Helio 358), combinados com seis doses paclobutrazol (0;0,5;1;2;4 6 mg.L-1) substrato inerte sílica moída. A solução nutritiva foi Hoagland modificada (EPSTEIN & BLOOM, 2004) as plantas foram mantidas aeração constante. Para avaliar do das (altura final diâmetro capítulo),...
O trabalho teve por objetivo avaliar a eficiência do polímero de poliacrilamida denominado superabsorvente, adicionado ao substrato transplantio no armazenamento água para o cafeeiro (Coffea arábica L.), cv. Tupi (Rubiaceae). experimento foi conduzido em casa vegetação Centro Técnico Irrigação da Universidade Estadual Maringá, Estado Paraná, período agosto outubro 1998. delineamento experimental inteiramente casualizado, com 16 tratamentos e 5 repetições, na forma fatorial 4 x 4. Os...
Nowadays, the rising competition for use of water and environmental resources with consequent restrictions farmers should change paradigm in terms irrigation concepts, or rather, order to attain economical efficiency other than supply requirement crop. Therefore, taking into account social role bean activity Brazil, as well risk inherent crop due its high sensibility both deficit excessive water, optimization methods regarding management have become more interesting essential. This study...
O experimento foi conduzido no Centro Técnico de Irrigação (CTI), Universidade Estadual Maringá (UEM), tendo como objetivo avaliar os efeitos diferentes regimes hídricos (irrigado e não irrigado) fertirrigação, combinados com doses adubo para N (15; 30; 45 60 g m-1), P (3; 6; 9 12 m-1) K na fase crescimento inicial duas cultivares café, região noroeste do Paraná. Foram avaliadas as seguintes variáveis da cultura: diâmetro copa, altura planta número ramos plagiotrópicos totais. Observou-se...
ABSTRACT Fertilization is important for the optimization of plant growth and yield, which are necessary agronomic activities. Soil fertilization should increase net earnings that depend on nutrient use efficiency. The aim this study was to evaluate efficiency eggplant under different doses potassium (K) nitrogen (N). Four levels K (0, 54, 108, 216 kg ha-1) four N 67, 134, 268 were applied weekly by fertigation. highest largest stem diameter found with 165-175 ha-1 N. Leaf area more...
ABSTRACT The netted melon requires special growing conditions, including a protected environment, an adequate staking system and proper water nutrient management. This study aimed to assess the effect of irrigation levels silicon doses on yield quality Sunrise hybrid melons, in greenhouse. A randomized block design was used, with 5 x 3 factorial scheme four replications. first factor consisted five (0 kg ha-1, 50 100 150 ha-1 200 ha-1) second three (40 %, 70 % ETc). results demonstrated that...
A CULTURA DA ABOBRINHA ITALIANA (Cucurbita pepo L.) EM AMBIENTE PROTEGIDO UTILIZANDO FERTIRRIGAÇÃO NITROGENADA E POTÁSSICA ANDRÉ RIBEIRO COSTA1; ROBERTO REZENDE2; PAULO SÉRGIO LOURENÇO DE FREITAS2; ANTÔNIO CARLOS ANDRADE GONÇALVES2 JOSÉ FRIZZONE3 1 Engenheiro Agrônomo, Prof. Doutor, Departamento de Agronomia, Centro Universitário Maringá, UNICESUMAR, PR. E-mail: rcosta4@hotmail.com2 Agrícola, Universidade Estadual rrezende@uem.br; pslfreitas@uem.br; acagoncalves@uem.br3 Professor Engenharia...
Bell pepper is among the ten most economically important vegetables in country. The proper management of water and fertilizers coupled with protected environment allows to obtain a quality agricultural production. This study aimed evaluate response nitrogen potassium doses applied through fertigation on growth yield bell crop, Magali R hybrid. A completely randomized design was used, 16 treatments factorial scheme 4×4, four replications. resulted from combination (0; 73.4; 146.8 293.6 kg...
The model Cropgro-soybean was calibrated for cultivars CD 202, 204, 206 and 210 in the municipality of Palotina, State Paraná, Brazil (24º17'S latitude, 53º50'30'' longitude 333 m altitude). After calibrated, Cropgro used to estimate soybean yield five planting times, during 25 years (1974 1999). Sensitivity analysis showed high response due changes genetic coefficients this study. highest crop simulated October 1, but it also gave lowest estimates. best dates were found be 15 November with...
Com o objetivo de comparar a uniformidade lâminas aplicadas, umidades no solo e produtividade da cultura do feijoeiro, conduziu-se um experimento utilizando cultivar feijão IAPAR 57. Foram feitas aplicações água na superfície solo, com quatro valores uniformidades, aplicando-se mesma lâmina, utilizando-se espaçamentos entre aspersores: 12 x m; 18 24 m, m. análises das distribuições dos dados lâmina aplicada, umidade rendimento grãos, espaço. Para isso, foram usadas técnicas análise...
Swine wastewater (SW) has characteristics that allow its disposal in the soil as a fertilizer. This is an alternative order not to accumulate this material farm well it provides savings with mineral fertilizers. The aim of study was evaluate effect applying swine on chemical properties distrophic Red Latosol for two seasons. experiment carried out under field conditions treatments defined T0 = 0 (control), T1 150, T2 300, T3 450, T4 600, T5 750 m3 ha-1 SW applied during crop cycle elephant...
The present study was carried out to evaluate the total dry matter production (TDMP), crude protein (CPP), content (CPC), acid detergent fiber (ADF) in following oat (Avena ssp.) cultivars and lines: SI 90173, IA 00887, 83002, 03687, 03187, 01587, 90056, 90092, 90045, 90095, Iapar 61 black produced both irrigated non-irrigated soils. experimental design randomized blocks with three replications. average of 4,481 2,056kg DM area respectively. As for TDMP, 90173 presented highest CPC (22.55%),...