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Mémoire de Maîtrise
DOI
https://doi.org/10.11606/D.11.2023.tde-13032024-115833
Document
Auteur
Nom complet
Taís Sacheto
Adresse Mail
Unité de l'USP
Domain de Connaissance
Date de Soutenance
Editeur
Piracicaba, 2024
Directeur
Jury
Dourado Neto, Durval (Président)
Rezende, Dalilla Carvalho
Vieira, Neiva Maria Batista
Titre en portugais
Caracterização da curva de crescimento, desenvolvimento e marcha de absorção de nutrientes da cultura de soja
Mots-clés en portugais
Glycine max
Análise de crescimento
Extração de nutrientes
Resumé en portugais
Com o objetivo de: (i) realizar a curva de acúmulo de massa de matéria seca de raiz, haste, folha, órgãos reprodutivos e total (curva de crescimento) da cultura de soja de cultivares de ciclo precoce e tardio sob sistema de condição irrigada e de sequeiro, (ii) caracterizar a curva referente a taxa de acúmulo de massa de matéria seca (kg d-1) da cultura de soja de cultivares de ciclo precoce e tardio sob sistema de condição irrigada e de sequeiro, (iii) caracterizar a composição média de nutrientes para o ciclo da cultura da soja sendo eles nitrogênio, fósforo, potássio, cálcio, magnésio, enxofre, boro, cobre, ferro, manganês, sódio e zinco, e (iv) marcha de absorção (kg ha-1) e taxa de absorção (kg ha-1 d-1) de nutrientes no decorrer do ciclo da cultura de soja, foram instalados (semeadura realizada no dia 26 de outubro de 2021) quatro experimentos, utilizando cultivares precoce (Monsoy-5917- IPRO) e tardio (TMG-7063-IPRO) sob sistemas de produção irrigado e sequeiro, na área experimental da Escola Superior de Agricultura Luiz de Queiroz, USP, localizada na cidade de Piracicaba, Estado de São Paulo, com o manejo e condução similares: (Experimento I) cultivar precoce em sistema irrigado, (Experimento II) cultivar precoce em sistema de sequeiro, (Experimento III) cultivar tardio em sistema irrigado, e (Experimento IV) cultivar tardio em sistema de sequeiro. Com base nos resultados obtidos referentes ao ciclo da cultura de soja (cultivares de ciclo precoce e tardio) sob sistema de condição irrigada e de sequeiro, conclui-se que os modelos propostos são adequados para: (i) caracterizar a curva de acúmulo de massa de matéria seca de raiz, haste, folha, órgãos reprodutivos e total (curva de crescimento kg ha-1), (ii) caracterizar a curva referente à taxa de acúmulo de massa de matéria seca (kg ha-1 d-1), (iii) caracterizar a composição média de nutrientes (nitrogênio - %, fósforo - %, potássio - %, cálcio - %, magnésio - %, enxofre - %, boro - ppm, cobre - ppm, ferro - ppm, manganês - ppm, e zinco - ppm) e sódio ppm, e (iv) caracterizar as curvas de marcha de absorção (kg ha-1) e taxa de absorção (kg ha-1 d-1) de nutrientes.
Titre en anglais
Characterization of the growth curve, development, and nutrient absorption rate of soybean crops
Mots-clés en anglais
Glycine max
Growth analysis
Nutrients extraction
Resumé en anglais
With the aim of: (i) carrying out the dry matter accumulation curve of root, stem, leaf, reproductive organs and total (growth curve) soybean crop of early and late cycle cultivars under irrigated and rainfed conditions, (ii) characterize the curve referring to the dry matter accumulation rate (kg d-1) of the soybean crop of early and late cycle cultivars under irrigated and rainfed conditions, (iii) characterize the average composition of essential nutrients for the cycle of the soybean crop, namely nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, boron, cooper, iron, manganese, sodium and zinc, and (iv) accumulated absorption (kg ha-1) and absorption rate (kg ha-1 d-1) of nutrients during the soybean crop cycle, four field experiments were carried out (sowing on October 26th, 2021) using early (Monsoy-5917-IPRO) and late (TMG-7063-IPRO) cultivars under irrigated and rainfed production systems, in the experimental area at the University of São Paulo, Luiz de Queiroz College of Agriculture, located in the city of Piracicaba, State of São Paulo, with similar management and conduction: (Experiment I) early cultivar in irrigated system, (Experiment II) early cultivar in rainfed system, (Experiment III) late cultivar in irrigated system, and (Experiment IV) late cultivar in rainfed system. Based on the results obtained regarding the soybean crop cycle (early and late cycle cultivars) under irrigated and rainfed conditions, it is concluded that the proposed models are suitable for: (i) characterizing the matter accumulation curve of root, stem, leaf, reproductive organs and total dry matter (growth curve), (ii) characterize the curve referring to the dry matter accumulation rate (kg d-1), (iii) characterize the average composition of essential nutrients (nitrogen - %, phosphorus - %, potassium - %, calcium - %, magnesium - %, sulfur - %, boron - ppm, copper - ppm, iron - ppm, manganese - ppm, and zinc - ppm), and sodium - ppm, and (iv) characterize the accumulated absorption (kg ha-1) and absorption rate (kg ha-1 d-1) of essential nutrients.
 
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Date de Publication
2024-03-15
 
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