Results 41 to 50 of about 584 (172)

Cover Crops Enhance Aboveground Biomass, Soil Biological Activity and Soil Organic Carbon in Tropical Agroecosystems

open access: yesSoil Use and Management, Volume 42, Issue 3, July‐September 2026.
ABSTRACT In tropical agroecosystems, soil organic carbon (SOC) accrual is constrained by rapid organic matter turnover and seasonal water limitation. Cover crops are widely used to improve soil C inputs, but their effects on SOC fractions and soil biological activity can vary according to species composition and management duration.
Victória Santos Souza   +8 more
wiley   +1 more source

Potencial de espécies utilizadas como adubo verde no manejo integrado de plantas daninhas Potential of species used as green manure in the integrated weed management

open access: yesPlanta Daninha, 2004
O presente trabalho foi conduzido na Estação Experimental da Universidade Federal do Tocantins, Gurupi-TO, Brasil. O experimento foi instalado com o objetivo de avaliar durante 60 dias, em campo, a interferência de oito espécies utilizadas freqüentemente
E.A.L. Erasmo   +4 more
doaj   +1 more source

Response of cereals to intercropping with non‐food crops in tropical and subtropical regions: A meta‐analysis

open access: yesAgronomy Journal, Volume 118, Issue 3, May/June 2026.
Abstract Intercropping cereals with non‐food intercrops (NFICs) provides a means to enhance cereal productivity while providing additional benefits such as improved soil health or forage production. We conducted a meta‐analysis to investigate the effect of NFICs on cereal yields, cereal nitrogen uptake, and striga (Striga spp.) infestation, using 874 ...
Kamarou‐Dine Seydou   +5 more
wiley   +1 more source

SELETIVIDADE DO HERBICIDA ATRAZINE EM ESPÉCIES DE CROTALÁRIA

open access: yesRevista de Agricultura Neotropical
Uma das limitações na adoção crotalárias na rotação de culturas é a ausência de informações quanto à seletividade de herbicidas para o controle de soja guacho.
Paulo César Timossi   +4 more
doaj   +1 more source

Searching for mechanisms behind meiotic abnormalities in Crotalaria spectabilis Roth

open access: yesCiência e Agrotecnologia, 2022
ABSTRACT The identification of epigenetic marks associated with problems in the meiotic process can enlighten the mechanisms underlying the irregularities and the impacts in the genetic constitution of gametes. Therefore, this study aimed to verify the relationship between the pattern of phosphorylation in serine 10 of histone H3 (H3S10ph), a (peri ...
Guilherme Tomaz Braz   +4 more
openaire   +4 more sources

Interactions Between Dissolved Organic Carbon and Aluminium Activity in Tropical and Temperate No‐Till Agroecosystems

open access: yesJournal of Sustainable Agriculture and Environment, Volume 5, Issue 1, March 2026.
Conceptual model of depth‐stratified soil acidification under long‐term no‐till in temperate (Washington, USA) and tropical (Brazilian Oxisol) systems. Nitrogen inputs promote surface acidification (↓pH) and increased Al3+ activity, while lime or silicate amendments modify base cation dynamics. Increased DOC–Al complexation reduces free Al3+ and alters
Joao A. Antonangelo, Richard T. Koenig
wiley   +1 more source

Desenvolvimento morfológico de Crotalaria juncea L. e Crotalaria spectabilis Roth sob compactação do solo

open access: yesDiversitas Journal
A degradação física do solo por compactação é um processo crítico que eleva a densidade, restringe a porosidade e amplia a resistência mecânica, o que pode limitar o desenvolvimento das culturas.
Daniel Nascimento dos Santos   +5 more
doaj   +1 more source

DESEMPENHO AGRONÔMICO DO REPOLHO SOB EFEITO RESIDUAL DO CULTIVO CONSORCIADO DE TARO E CROTALARIAS

open access: yesRevista UniVap, 2016
Avaliou-se o efeito residual do consórcio taro (Colocasia esculenta (L.) Schott) e crotalarias sob duas posições de plantio no desempenho agronômico do repolho (Brassica oleracea var. capitata).
Rafael Costa de Sant'Ana   +9 more
doaj   +1 more source

Levantamento de Formicidae (Hymenoptera) em adubação verde: durante seu desenvolvimento e após sua incorporação no solo.

open access: yesRevista Brasileira de Agroecologia, 2014
O experimento foi conduzido no Centro de Ciências Agrárias da Universidade Federal de São Carlos, no município de Araras (SP) (22°21’25” e 47°23’03”) em área experimental de latossolo-vermelho-amarelo, numa área de 1344 m², no período de janeiro a julho ...
Danúbia Maria da Costa   +2 more
doaj  

Carbon and nitrogen release from cover crop roots is poorly predicted by their chemical composition

open access: yesAgronomy Journal, Volume 117, Issue 5, September/October 2025.
Abstract Root‐derived carbon (C) and nitrogen (N) release in relation to chemical composition has rarely been quantified in field studies. The objectives of this study were to evaluate C and N release from six summer cover crop roots and to correlate it with their chemical composition. Root decomposition and N release from velvet bean (Mucuna aterrima),
Douglas Adams Weiler   +7 more
wiley   +1 more source

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