Biogeochimica della materia organica del suolo

Biogeochimica della materia organica del suolo

Felipe Puff Dapper / Luiz Gustavo Batista Ferreira

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Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
Materia
Botánica y ciencias de las plantas
ISBN:
9786207270583
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Benefici della MOS nei sistemi di gestione della conservazione:Fisici (struttura e aggregazione), formando strutture più grandi che favoriscono l’apparato radicale delle piante coltivate.Chimici: migliorando la CEC del suolo, complessando l’alluminio scambiabile e riducendo l’adsorbimento del P. Ciò è particolarmente utile nei suoli tropicali del Brasile.Biologico: favorisce il microbiota e gli enzimi del suolo.La gestione del suolo che prevede interventi meccanici (aratura, erpicatura, scarificazione, ecc.) rompe gli aggregati, i macro e i microaggregati del suolo, aumentando l’area di esposizione dei MOS all’attacco microbico. Inoltre, con una maggiore aerazione, i microrganismi attaccano più facilmente questi MOS e contribuiscono alla loro mineralizzazione.  I residui erbacei hanno un rapporto C/N più elevato, spesso superiore a 30/1, motivo per cui il bilancio tra immobilizzazione e mineralizzazione tende verso l’immobilizzazione microbica, fino a quando questo rapporto C/N non si restringe, a quel punto il bilancio tende verso la mineralizzazione. I rifiuti di soia hanno un rapporto C/N più stretto, inferiore a 20/1, che rende la mineralizzazione il processo predominante.

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Otros libros del autor

  • Biogeochemie der organischen Substanz im Boden
    Felipe Puff Dapper / Luiz Gustavo Batista Ferreira
    Vorteile von MOS bei der Bewirtschaftung von Naturschutzgebieten:Physikalisch (Struktur und Aggregation) durch Bildung größerer Strukturen, die das Wurzelsystem von Kulturpflanzen begünstigen.Chemisch: Verbesserung der CEC der Böden, Komplexierung von austauschbarem Aluminium und Verringerung der P-Adsorption. Dies ist besonders hilfreich für die tropischen Böden Brasiliens.Bio...
  • Biogeochemistry of Soil Organic Matter
    Felipe Puff Dapper / Luiz Gustavo Batista Ferreira
    Benefits of MOS in conservation management systems:Physical (structure and aggregation) forming larger structures that favor the root system of cultivated plants.Chemical: By improving the CEC of soils, complexing exchangeable aluminum and reducing the adsorption of P. This is especially helpful in Brazil’s tropical soils.Biological: Promotes soil microbiota and enzymesSoil man...
  • Biogéochimie de la matière organique du sol
    Felipe Puff Dapper / Luiz Gustavo Batista Ferreira
    Avantages de la MOS dans les systèmes de gestion de la conservation :Physiques (structure et agrégation) : formation de structures plus grandes qui favorisent le système racinaire des plantes cultivées.Chimiques : en améliorant la CEC des sols, en complexant l’aluminium échangeable et en réduisant l’adsorption de P. Ceci est particulièrement utile dans les sols tropicaux du Bré...
  • Variabilidade da precipitação e riscos climatológicos para a cultura da soja
    Felipe Puff Dapper / Luiz Gustavo Batista Ferreira
    A água afeta todos os processos fisiológicos que ocorrem na planta, como a absorção radicular, o transporte de nutrientes, a termorregulação e a hidratação, essenciais para manter a estrutura e a atividade celular vegetal (TAIZ; ZEIGER, 2009). As condições agrometeorológicas interferem diretamente na escolha das culturas a serem produzidas em determinada região, época de semead...
  • Niederschlagsvariabilität und Klimarisiken für den Sojaanbau
    Felipe Puff Dapper / Luiz Gustavo Batista Ferreira
    Wasser wirkt sich auf alle physiologischen Prozesse in der Pflanze aus, wie z. B. Wurzelabsorption, Nährstofftransport, Wärmeregulierung und Hydratation, die für die Aufrechterhaltung der Struktur und der zellulären Aktivität der Pflanze unerlässlich sind (TAIZ; ZEIGER, 2009). Die agrarmeteorologischen Bedingungen wirken sich direkt auf die Wahl der in einer bestimmten Region z...
  • Variabilité des précipitations et risques climatiques pour la culture du soja
    Felipe Puff Dapper / Luiz Gustavo Batista Ferreira
    L’eau affecte tous les processus physiologiques qui se produisent dans la plante, tels que l’absorption racinaire, le transport des nutriments, la thermorégulation et l’hydratation, essentiels au maintien de la structure et de l’activité cellulaire de la plante (TAIZ ; ZEIGER, 2009). Les conditions agrométéorologiques interfèrent directement dans le choix des cultures à produir...