Results 11 to 20 of about 1,047 (140)

Tratamento das águas do processamento dos frutos do cafeeiro em filtro anaeróbio seguido por sistema alagado construído: II - remoção de nutrientes e compostos fenólicos Wastewater treatment of coffee fruit processing in anaerobic filter system followed by constructed wetland: II - removal of nutrients and phenolic compounds

open access: yesEngenharia Agrícola, 2010
Seis sistemas de tratamento foram compostos por três filtros anaeróbios com escoamento descendente, seguidos por seis sistemas alagados construídos (SACs), sendo avaliados, sob o ponto de vista operacional, no tratamento da água residuária do ...
Ronaldo Fia   +4 more
doaj   +1 more source

The absorption and translocation of imazaquin in green manures

open access: yesActa Scientiarum. Agronomy, 2014
Green manure species that are tolerant to the herbicide imazaquin can be used in crop rotation schemes that aim to reduce herbicide carryover to sensitive plants such as sunflower or corn. Three different doses of imazaquin (0, 0.15 and 0.28 kgha-1) were
Flavia Garcia Florido   +3 more
doaj   +1 more source

Competitive ability of canola (Brassica napus var. oleifera) hybrids with black oat (Avena strigosa) in a subtropical environment

open access: yesRevista de la Facultad de Ciencias Agrarias, 2021
The objective of this study was to assess the competitive ability of canola (Brassica napus var. oleifera) hybrids in competition with black oat (Avena strigosa) in a subtropical environment.
Leandro Galon   +7 more
doaj   +1 more source

Gerromorpha (Hemiptera: Heteroptera) from the Metropolitan Region of Santarém, Brazil, including three new species of Microvelia Westwood, 1834 (Veliidae: Microveliinae) [PDF]

open access: yesBiodiversity Data Journal, 2021
Gerromorpha (Hemiptera: Heteroptera) comprises more than 2100 species of semiaquatic bugs, most of which have the ability to walk on the surface of the water.
Suzane dos Santos   +3 more
doaj   +3 more sources

Changes in the Number of Symbionts and Symbiodinium Cell Pigmentation Modulate Differentially Coral Light Absorption and Photosynthetic Performance

open access: yesFrontiers in Marine Science, 2017
In order to understand the contribution of pigmented coral tissues to the extraordinary optical properties of the coral-symbiont-skeleton unit, we analyzed the associations between structural and optical traits for four coral species, which broadly ...
Tim Scheufen   +4 more
doaj   +1 more source

Actinidia strigosa Hook. f. & Thomson (Actinidiaceae): A Future Plant with Higher Economic Importance in Hilley-Barsey Sanctuary, Sikkim, India

open access: yesInternational Journal of Economic Plants
The present study was conducted during the period August, 2021 to March, 2023 in Sikkim state of Northeast India. Actinidia strigosa Hook. f. & Thomson (Theki Phal/wild kiwifruit) is a temperate climbing shrubby plant species, collected from the Hilley ...
Abhilash Padhan   +4 more
doaj   +1 more source

Aerobic stability of triticale silage in single culture or in mixtures with oat and/or legumes Estabilidade aeróbia de silagens de triticale em cultivo exclusivo ou em misturas com aveia e/ou leguminosas

open access: yesRevista Brasileira de Zootecnia, 2010
The objective of the present study was to evaluate the aerobic stability and losses during the fermentation process of triticale silages in single crop or in mixtures with oats and/or legumes.
Valter Harry Bumbieris Junior   +4 more
doaj   +1 more source

Agregação e estoque de carbono em argissolo submetido a diferentes práticas de manejo agrícola

open access: yesRevista Brasileira de Ciência do Solo, 2011
A estrutura física é uma propriedade essencial para que o solo cumpra adequadamente suas funções e tenha qualidade. Com o objetivo de avaliar a contribuição de práticas de manejo na recuperação da agregação de um solo fisicamente degradado, estudou-se a ...
Fabiane Machado Vezzani   +1 more
doaj   +1 more source

Rusle parameters for modeling the loss of a soil subjected to pig slurry application [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2018
: The objective of this work was to determine adjustment parameters for the revised universal soil loss equation (Rusle) of a soil subjected to pig slurry application.
Maria Aparecida do Nascimento dos Santos   +4 more
doaj   +2 more sources

Desempenho de forrageiras hibernais sob distintos níveis de luminosidade Performance of hibernal forages under distinct brightness levels

open access: yesRevista Brasileira de Zootecnia, 2010
Objetivou-se determinar os possíveis efeitos da restrição de luminosidade, obtida com distintas densidades de árvores de Pinnus taeda, sobre a produção e qualidade de: aveia-preta (Avena strigosa Schreb) cv. Comum, aveia-branca (Avena sativa L.) cv. Fapa
Roque Kirchner   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy