Results 51 to 60 of about 19,469 (162)

Acúmulo e liberação de P, K, Ca e Mg em crotalária e milheto solteiros e consorciados

open access: yesRevista Ceres, 2010
As características das leguminosas e gramíneas usadas como plantas de cobertura são bastante conhecidas, mas a velocidade com que os nutrientes associados à biomassa vegetal tornam-se disponíveis às culturas é ainda pouco estudada.
Adriano Perin   +4 more
doaj   +1 more source

Species richness, composition, and dominance of core and climate relicts of African miombo woodlands

open access: yesEcosphere, Volume 17, Issue 1, January 2026.
Abstract The miombo woodlands, which span about 10% of the African continent, are essential for the ecosystem services they provide. These woodlands are mainly dominated by the genera Julbernardia, Isoberlinia, and Brachystegia. However, there is limited understanding of how species dominance and richness change in relict sites, which are far removed ...
Brenden Pienaar   +3 more
wiley   +1 more source

Influência dos elementos meteorológicos na produção de adubos verdes, em diferentes épocas de semeadura Influence of the meteorological elements in the production of green manures sown in different periods

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2003
Para se estudar a influência do saldo de radiação solar, temperatura do ar, precipitação e fotoperíodo no rendimento em fitomassa e na data de florescimento da Crotalaria juncea e da Mucuna aterrima, foi conduzido um experimento em São Vicente da Serra ...
Vanderley S. dos Santos   +1 more
doaj   +1 more source

The diversity and floral hosts of bees at the Archbold Biological Station, Florida (Hymenoptera: Apoidea) [PDF]

open access: yes, 2002
A list is provided of 113 species of bees and their 157 known floral hosts at the Archbold Biological Station(ABS), a 2105 ha site on the Lake Wales Ridge in Highlands County in south-central Florida.
Deyrup, Mark   +2 more
core   +1 more source

Oroxylum indicum (L.) Bark Ameliorates Anxiety and Depression: Evidence From Experimental and Computational Studies

open access: yesFood Science &Nutrition, Volume 14, Issue 1, January 2026.
The study evaluated the antioxidant and neuropharmacological effects of Oroxylum indicum bark (MOIB), identifying 20 phytochemicals through GC–MS analysis. MOIB exhibited anxiolytic, sedative, and antidepressant effects in various behavioral tests, with two compounds (CID 550198 and CID 10393) showing strong binding affinities to targeted receptors and
Md. Aktaruzzaman   +12 more
wiley   +1 more source

Effects of eucalyptus thinning on soil chemical attributes in an unfertilized silvopastoral system 6 years after thinning

open access: yesSoil Science Society of America Journal, Volume 90, Issue 1, January/February 2026.
Abstract Tree thinning is a common practice in silvopastoral systems, but there is no standard percentage of thinning used by farmers. Moreover, it is unclear how the percentage of thinning affects soil chemical attributes throughout the soil profile and throughout the transect between eucalyptus lines.
Wander Luis Barbosa Borges   +5 more
wiley   +1 more source

Utilização de nitrogênio pelo trigo cultivado em solo fertilizado com adubo verde (Crotalaria juncea) e/ou uréia

open access: yesCiência Rural, 2005
O objetivo deste trabalho foi avaliar o aproveitamento do nitrogênio de adubo verde (Crotalaria juncea L.)-15N e da uréia-15N, em fertilização conjugada e separada.
Ambrosano Edmilson José   +5 more
doaj  

Diversity, Structural Dynamics, Regeneration Potential, and Endemism of Moist Evergreen Afromontane Forests in Ethiopia

open access: yesInternational Journal of Forestry Research, Volume 2026, Issue 1, 2026.
The moist evergreen Afromontane forest (MEAF) in Ethiopia is characterized by unique species diversity and serves as the center of origin and diversity for Coffea arabica. A systematic review of MEAF in Ethiopia was conducted following the PRISMA 2020 protocol.
Worku Misganaw Tebabal   +3 more
wiley   +1 more source

Commodity risk assessment of Petunia spp. and Calibrachoa spp. unrooted cuttings from Uganda

open access: yesEFSA Journal, Volume 24, Issue 1, January 2026.
Abstract The European Commission requested the EFSA Panel on Plant Health to evaluate the likelihood of pest freedom at entry in the EU, including both regulated and non‐regulated pests, potentially associated with unrooted cuttings of the genera Petunia and Calibrachoa produced under physical isolation in Uganda.
EFSA Panel on Plant Health (PLH)   +34 more
wiley   +1 more source

Adubação orgânica da batata com esterco e, ou, Crotalaria juncea: I - produtividade vegetal e estoque de nutrientes no solo em longo prazo Organic fertilization of potato with manure and, or, Crotalaria juncea: I - long term plant productivity and soil nutrient stocks

open access: yesRevista Brasileira de Ciência do Solo, 2007
No Agreste paraibano, a batata (Solanum tuberosum L.) é importante cultura comercial, embora seja limitada pela variabilidade e escassez de chuvas e pela baixa fertilidade do solo.
Tácio Oliveira da Silva   +5 more
doaj   +1 more source

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