Marcos Silva Tavares

ORCID: 0000-0003-0068-3326
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About
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Research Areas
  • Agricultural and Food Sciences
  • Growth and nutrition in plants
  • Soil Management and Crop Yield
  • Biodiesel Production and Applications
  • Spectroscopy and Chemometric Analyses
  • Advanced Combustion Engine Technologies
  • Leaf Properties and Growth Measurement
  • Crop Yield and Soil Fertility
  • Rural Development and Agriculture
  • Sesame and Sesamin Research
  • Peanut Plant Research Studies
  • Greenhouse Technology and Climate Control
  • Plant Micronutrient Interactions and Effects
  • Engine and Fuel Emissions
  • Coconut Research and Applications
  • Thermochemical Biomass Conversion Processes
  • Genetics and Plant Breeding
  • Smart Agriculture and AI
  • Rural and Ethnic Education
  • Geography and Environmental Studies
  • Fish Biology and Ecology Studies
  • Pineapple and bromelain studies
  • Banana Cultivation and Research
  • Soybean genetics and cultivation
  • Environmental Toxicology and Ecotoxicology

Universidade de São Paulo
2024

Universidade Estadual Paulista (Unesp)
2022

Universidade Federal do Cariri
2018-2021

Empresa de Pesquisa Agropecuária do Estado do Rio de Janeiro
2021

Beans are the most widely used protein source in world and their productivity is directly linked to nitrogen (N). The short crop cycle imposes need for fast methodologies N quantification. In this work, we evaluated performance of four machine learning algorithms prediction using NIR spectroscopy. Increasing doses were applied plants leaf reflectance was collected. Weka software test algorithms. selection effective spectral zones made with VIP. Considering predictions whole NIR, best results...

10.20944/preprints202405.2063.v1 preprint EN 2024-05-30

Beans are the main direct source of protein consumed by humans in world and their productivity is directly linked to nitrogen. The short crop cycle imposes need for fast methodologies N quantification. In this work, we evaluated performance four machine learning algorithms nitrogen estimation using NIR spectroscopy, comparing predictions between complete spectral data only intervals obtained with variable importance projection (VIP). Doses 0, 50, 100, 150 kg ha−1 were applied leaf...

10.3390/agronomy14081634 article EN cc-by Agronomy 2024-07-26

Among the technological tools used in precision agriculture, convolutional neural network (CNN) has shown promise determining nutritional status of plants, reducing time required to obtain results and optimizing variable application rates fertilizers. Not knowing appropriate amount nitrogen apply can cause environmental damage increase production costs; thus, are that identify plant’s real demands, subject evaluation improvement, considering variability agricultural environments. The...

10.3390/agriengineering6020102 article EN cc-by AgriEngineering 2024-06-18

O coentro é uma olerícola bastante utilizada na culinária nordestina em função do sabor e aroma característico dessa cultura, sendo a produção quase que exclusivamente para o consumo de folhas verdes.O objetivo deste trabalho foi analisar desenvolvimento produtividade das doses parcelamento da adubação nitrogenada cobertura.O estudo conduzido no

10.18677/agrarian_academy_2018a16 article PT Agrarian Academy 2018-07-31

The growing demand for clean energy aimed at reducing greenhouse gas emissions associated with the oil crises has encouraged search biofuels, among which biodiesel stood out in gradual replacement of diesel. This study to evaluate performance an agricultural tractor fueled four types biodiesels (peanut, sunflower, soybean, and waste frying oil) added diesel five proportions (0, 25, 50, 75, 100% biodiesel, that is, B0, B25, B50, B75, B100, respectively). experiment was carried Laboratory...

10.1590/1809-4430-eng.agric.v42nepe20220072/2022 article EN cc-by Engenharia Agrícola 2022-01-01

10.31692/2526-7701.iicointerpdvagro.2017.00414 article PT Políticas Educacionais e Suas Interfaces: Desafios e Perspectivas na Construção de Sociedades Sustentáveis 2017-01-01

significativamente as variáveis altura da planta, massa parte aérea por metro quadrado

10.31692/2526-7701.ivcointerpdvagro.2019.0155 article PT DEMOCRATIZAÇÃO DO CONHECIMENTO E VALORIZAÇÃO PROFISSIONAL: CAMINHOS PARA O DESENVOLVIMENTO TECNOLÓGICO E SOCIAL 2019-01-01

Theobjective ofthisstudy wasto evaluatethecultivationofpeanutsasafunctionofphosphateandpotassiumfertilizationinsowingandspacingbetweenplants,indrylandanddripirrigationinCariri-CE.A randomized block design was used in a split-plot scheme with four replications....

10.5747/ca.2020.v16.n2.a357 article EN cc-by-nc-nd Colloquium Agrariae 2020-05-08

O milho é um dos cereais mais cultivados no mundo.O trabalho teve o objetivo de avaliar os efeitos da aplicação via foliar zinco na cultura do e inoculação com bactérias condicionadoras.O experimento foi conduzido Universidade Federal Cariri (UFCA), usando delineamento em blocos casualizados, esquema parcela subdividida, quatro repetições, totalizando assim 24 parcelas experimentais

10.32406/v3n32020/138-148/agrariacad article PT Revista Agraria Academica 2020-05-01

O milho e cultivado mundialmente, sendo amplamente utilizado como fonte energetica na alimentacao humana animal. As caracteristicas produtividade da cultura estao intimamente associadas a adubacao semeadura. objetivo do trabalho foi avaliar o efeito aplicacao de nitrogenio troca das engrenagens semeadora sob os caracteres produtivos milho. experimento realizado em condicoes campo utilizando-se Delineamento Blocos Casualizados (DBC) esquema fatorial 4x4, primeiro fator constituido por quatro...

10.48075/actaiguaz.v10i2.27085 article PT Acta Iguazu 2021-06-23
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