Results 31 to 40 of about 4,513 (139)

Soil functioning in a toposequence under rainforest in São Paulo, Brazil

open access: yesRevista Brasileira de Ciência do Solo, 2013
Studies of soil-water dynamics using toposequences are essential to improve the understanding of soil-water-vegetation relationships. This study assessed the hydro-physical and morphological characteristics of soils of Atlantic Rainforest in the Parque ...
Miguel Cooper   +4 more
doaj   +1 more source

Still standing: persistence traits capture belowground plant functions beyond resource exploration and acquisition

open access: yesNew Phytologist, EarlyView.
Conceptual linkages between traits and plant functioning leads to three dimensions of variation in the belowground functional space. Summary Belowground plant trait research has predominantly focused on trade‐offs in fine‐root traits via the root economics space (RES).
Shersingh Joseph Tumber‐Dávila   +17 more
wiley   +1 more source

Disponibilidade de nitrogênio para o arroz irrigado por inundação, pelo método de destilação a vapor direta [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2016
Resumo: O objetivo deste trabalho foi avaliar a capacidade do método de destilação a vapor direta (DVD) em extrair a fração de nitrogênio do solo hidrolisável em meio alcalino, e em predizer a disponibilidade de N em solos aptos ao cultivo de arroz ...
Gerson Laerson Drescher   +6 more
doaj   +1 more source

Duckweeds under salt stress: a meta‐analysis of growth inhibition in relation to morphological and physiological traits and a systematic review of molecular responses

open access: yesNew Phytologist, EarlyView.
Salinity reduces duckweed growth responses. Summary Salinity is one of the main environmental factors limiting the performance of duckweeds and despite growing ecological and biotechnological interest in these macrophytes, there is a lack of quantitative analyses of their responses to sodium chloride.
Saimon Branco Bueno   +7 more
wiley   +1 more source

Proceedings for extracts obtaining and micronutrients determination in soil samples/
Procedimentos para obtenção de extratos e determinação de micronutrientes em amostras de solo

open access: yesSemina: Ciências Agrárias, 2005
The deficiencies or micronutrients excesses in the soil can be diagnosed by several procedures. Among these, the chemical analysis of the soil is a prominence instrument, because it makes possible the previous evaluation of micronutrients available to ...
Rafael Mizubuti Brito   +3 more
doaj  

Governing the Local Digital Transformation: A European Comparative Perspective

open access: yesPublic Administration, EarlyView.
ABSTRACT This study compares governance structures, policy formulation and implementation of administrative digitalization at the local level in three countries with different administrative traditions: France, Germany and the United Kingdom.
Sabine Kuhlmann   +2 more
wiley   +1 more source

Chemical dispersants and pre-treatments to determine clay in soils with different mineralogy

open access: yesRevista Brasileira de Ciência do Solo, 2011
Knowledge of the soil physical properties, including the clay content, is of utmost importance for agriculture. The behavior of apparently similar soils can differ in intrinsic characteristics determined by different formation processes and nature of the
Cristiane Rodrigues   +3 more
doaj   +1 more source

Experimental Assessment of Epipelon Responses to Phosphorus Limitation in a Eutrophic Lake

open access: yesEcological Research, Volume 41, Issue 6, November 2026.
We evaluated the responses of epipelic algal and cyanobacterial communities to increasing phosphorus limitation in the water column under eutrophic conditions. Nitrogen enrichment increased the N:P ratio and intensified phosphorus limitation in the water column, promoting changes in community composition. The greater contribution of cyanobacteria (e.g.,
Renata Aparecida Costa   +2 more
wiley   +1 more source

Avaliação de amostradores de solos em sistema de plantio direto

open access: yesAgropecuária Catarinense, 2017
Resumo: Na coleta do solo podem ser usados diferentes amostradores, conforme disponibilidade de equipamentos na propriedade e tipo de solo, mas estes podem apresentar variação na precisão da amostragem.
Marcelo Henrique da Silva   +3 more
doaj  

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