Browsing by Subject "Fertilizantes"
Now showing items 1-8 of 8
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Análise direta de fertilizantes minerais empregando fluorescência de raios-X
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 27/04/2022)The present work aimed to theoretically evaluate the use of x-ray fluorescence in the direct analysis of mineral fertilizers, ensuring effectiveness and quality for the research and development sector, in the laboratory ... -
Biopolímeros ferti-liberadores: uma proposta de recipiente para o cultivo de mudas de antúrios
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 30/01/2024)The improper management of plastic waste in agriculture, coupled with the high demand for soil fertilization, has resulted in significant adverse environmental impacts. Efforts to address these issues involve the development ... -
Determinação de ferro em fertilizante por ICP-OES e FAAS: avaliação e estudo de caso dos métodos analíticos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 20/04/2022)Considering the increase of the world population, which is expected to reach 9.2 billion in 2050 according to the United Nations Organization (UNO), the need for food production may grow 70% by the year of 2050, according ... -
Nitrogen and Phosphorus Nanocomposite Fertilizers: Synthesis, Particle Size and Matrix Effects
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 26/02/2018)With high agricultural productivity, is necessary a chemical fertilization of soil, and nitrogen and phosphorus are the macronutrients indispensable for plants. In this sense, the current demand for fertilizer requires ... -
Sachês compósitos biodegradáveis à base de amido visando o acondicionamento de nutrientes para aplicação como fertilizantes
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 31/07/2020)The Brazilian agrarian system is responsible for a large part of the national GDP, even though agricultural production is dependent on foreign trade. In addition, many producers prioritize the use of NPK-type fertilizers ... -
Fertirrigação: técnicas e práticas de manejo
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 21/06/2021)Irrigation aims to expand the cultivation of various crops in non-occasional times, that is, at different times throughout the year, resulting in better results and yields from your crop. The use of the fertigation technique ... -
Fertilizantes de eficiência aprimorada: perspectivas e potencial de uso de biopolímeros como matrizes de liberação lenta ou controlada
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 18/12/2020)Conventional mineral fertilizers consist of products applied in the field, which aim to provide higher yields for agricultural crops. However, the excessive use of these fertilizers in the soil causes environmental, economic, ... -
Análise da demanda por fertilizantes no Brasil no período de 1970 a 2018
(Universidade Federal de São Carlos, UFSCar, , Câmpus Sorocaba, 16/11/2021)The objective of this work is to study the determinants of demand for fertilizers in Brazil for the period from 1970 to 2018. The importance of this work is given by an increase in agricultural productivity necessary to ...