Results 21 to 30 of about 6,586 (224)

Crop succession and its reflections on soybean performance

open access: yesBioscience Journal, 2022
The fluctuations in yield and consequently in production occurred due to climatic adversities in the main producing states of Brazil. Farming has changed over time, and past scenarios have shown high exploitation of natural resources focusing on soil ...
Natã Balssan Moura   +10 more
doaj   +1 more source

Weed Emergence in a Soil with Cover Crops in an Agroecological No-Tillage System [PDF]

open access: yesPlanta Daninha, 2018
: The cultivation and deposition of cover crops residues on the soil surface can reduce weed emergence. The objective of this study was to evaluate the emergence of weeds, in a greenhouse, on a soil with cover crops in an agroecological no-tillage system.
M. SOUZA   +5 more
doaj   +1 more source

Pre-Crop Choice Shapes Nematode-Attached Bacterial Communities Associated With Reduced Pratylenchus penetrans Invasion of Barley Roots. [PDF]

open access: yesEnviron Microbiol
Plant species vary in how they shape nematode‐suppressive soil microbiomes, and these legacies influence the subsequent crop. Suppressive microbiomes contain specific bacterial taxa that attach to the nematode cuticle, leading to reduced nematode invasion into the root system of the host.
Elhady A, Kanfra X, Adss S, Heuer H.
europepmc   +2 more sources

Forage production dynamics of winter annual grasses sown on different dates Dinâmica de produção de forragem de gramíneas anuais de inverno semeadas em diferentes épocas

open access: yesRevista Brasileira de Zootecnia, 2011
This experiment was carried out from April to September 2008 with the objective of evaluating the forage production dynamics of winter annual grasses (Avena strigosa Schereb cv. IAPAR-61; Lolium multiflorum Lam cv. Comum; Avena strigosa cv.
Edison Antonio Pin   +3 more
doaj   +1 more source

Sistemas consorciados de aveia preta e ervilhaca comum como cobertura de solo e seus efeitos na cultura do milho em sucessão

open access: yesRevista Brasileira de Ciência do Solo, 2000
Com o aumento do cultivo do milho no sistema plantio direto (SPD), várias espécies vegetais de inverno estão sendo avaliadas, visando à obtenção de uma cobertura de solo que beneficie o milho cultivado em sucessão e o SPD.
C. G. Bortolini   +2 more
doaj   +1 more source

Non-destructive analysis of photosynthetic pigments in Avena strigosa and Avena sativa

open access: yesAustralian Journal of Crop Science, 2019
Chlorophylls and carotenoids are the main photosynthetic pigments in plants. The photosynthetic potential of crop plants is used to determine the correct rate of nitrogen fertilization. To date, no studies have been conducted to understand the relationship between different methods of measurement of photosynthetic pigments in oats.
KASPARY, T. E.   +6 more
openaire   +2 more sources

Alelopatia de acículas de Pinus taeda na germinação e no desenvolvimento de plântulas de Avena strigosa Allelopathic of Pinus taeda needles on the germination and development of Avena strigosa seedlings

open access: yesCiência Rural, 2009
O trabalho teve por objetivo caracterizar o efeito alelopático do extrato aquoso de acículas de Pinus taeda na germinação e no desenvolvimento inicial de plântulas de aveia preta comum (Avena strigosa).
Laércio Ricardo Sartor   +5 more
doaj   +1 more source

Avaliação do potencial alelopático de genótipos de aveia no início do ciclo [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2000
A aveia (Avena spp.) é uma das culturas mais importantes do Sul do Brasil durante a estação hibernal de crescimento. Sabe-se que nela existem agentes alelopáticos, o que torna conveniente o entendimento deste fenômeno na cultura.
Ubiratã Soares Jacobi   +1 more
doaj   +1 more source

PRODUTIVIDADE E COMPOSIÇÃO QUÍMICA DE GRAMÍNEAS TEMPERADAS NA CIDADE DE ARAPONGAS-PR

open access: yesColloquium Agrariae, 2011
The objective of this work was to evaluate four genotypes of temperate grasses in Arapongas, PR. The plantation was realized on 2007 April, using the follow species: black oat common (Avena strigosa Schreb), black oat (Avena strigosa Schreb) IAPAR 61 ...
Fabiola Cristine de Almeida Rego Grecco   +5 more
doaj   +1 more source

Allelopathic effects on the germination of soybean seeds (Glycine max L.Merrill)/
Efeitos alelopáticos sobre a germinação de sementes de soja (Glycine max L.Merrill)

open access: yesSemina: Ciências Agrárias, 2005
This work had as objective to study the effect of natural substances found in root exsudates of other crops on the gemination of soybean seeds. Two experiments were accomplished. For the first experiment wheat seeds (Triticum aestivum), cale (Triticum sp.
Andréa Maria Teixeira Fortes   +1 more
doaj   +1 more source

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