Results 41 to 50 of about 796 (162)

Weed flora and weed management of field peas in Finland [PDF]

open access: yes, 2005
The composition of the weed flora of dry pea (Pisum sativum L.) fields and cropping practices were investigated in southwestern Finland. Surveys were done in 2002–2003 in 119 conventionally cropped fields and 64 fields under organic cropping.
Hyvönen, Terho   +2 more
core   +2 more sources

Determination of some herbicide residues in sweet potato

open access: yesCogent Food & Agriculture, 2021
The use of herbicides in weed control is on the increase but such chemical residues in crop plants mostly cause health risks. The objective of this work was to determine the level of some herbicide residues in sweet potato.
Yvonne A. Hormenoo   +5 more
doaj   +1 more source

Statement on the update of maximum residue levels (MRLs) for copper compounds in light of the EFSA scientific opinion on the re-evaluation of the health-based guidance values (HBGVs) and exposure assessment from all sources. [PDF]

open access: yesEFSA J
Abstract In compliance with Article 43 of Regulation (EC) No 396/2005, the European Food Safety Authority (EFSA) reviewed the maximum residue levels (MRLs) for copper compounds in light of the EFSA Scientific Committee opinion on the re‐evaluation of the health‐based guidance values (HBGVs) and exposure assessment from all sources.
European Food Safety Authority (EFSA).
europepmc   +2 more sources

Puntos de vista acerca de la influencia de los nuevos organismos transgénicos sobre la economía y la biota [PDF]

open access: yes, 2007
Hemos invitado a los Dres. Fernando Prado y Juan Carlos Díaz Ricci, profesores de la Universidad Nacional de Tucumán, e investigadores del CONICET, para que expresen sus opiniones sobre el impacto de los organismos transgénicos sobre la agricultura y la ...
Prado, Fernando Eduardo   +1 more
core   +1 more source

Evaluation of the GreyWater Footprint Comparing the Indirect Effects of Different Agricultural Practices [PDF]

open access: yes, 2018
Increasing global food demand and economic growth result in increasing competition over scarce freshwater resources, worsened by climate change and pollution. The agricultural sector has the largest share in the water footprint of humanity.
Borsato, Eros   +4 more
core   +2 more sources

Phytotoxic Effect of Herbicides on Various Camelina [Camelina sativa (L.) Crantz] Genotypes and Plant Chlorophyll Fluorescence

open access: yesAgriculture, 2020
Camelina is an oil plant classified as a minor crop. The small acreage is the main cause of the small amount of plant protection products that are registered for use on camelina plantations.
Łukasz Sobiech   +3 more
doaj   +1 more source

Herbicide Resistance in Summer Annual Weeds of Australia’s Northern Grains Region

open access: yesAgronomy, 2023
For more than two decades, glyphosate has been relied on to control summer annual weeds in fallow systems in Australia’s northern grains region. With numerous cases of glyphosate resistance reported in weed species collected from this region, there are ...
John C. Broster   +4 more
doaj   +1 more source

Nitrogen Fertilizers Shape the Composition and Predicted Functions of the Microbiota of Field-Grown Tomato Plants [PDF]

open access: yes, 2019
The microbial communities thriving at the root_soil interface have the potential to improve plant growth and sustainable crop production. Yet, how agricultural practices, such as the application of either mineral or organic nitrogen fertilizers, impact ...
Alegria Terrazas, Rodrigo   +7 more
core   +6 more sources

Resistenzentwicklung bei Apera spica-venti in Niedersachsen

open access: yesJulius-Kühn-Archiv, 2020
In den Jahren 2007 bis 2018 wurden auf 286 Monitoringflächen Samenproben von Apera spica-venti (Gemeiner Windhalm) gezogen und in Biotestungen die Wirksamkeit von Herbiziden unterschiedlicher Wirkstoffklassen getestet.
Wolber, Dirk M.   +2 more
doaj   +1 more source

Chronic dietary risk assessment for pesticide residues in Brazilian food [PDF]

open access: yes, 2000
Objetivo: Avaliar o risco crônico da ingestão de pesticidas pela dieta, em compostos registrados no Brasil para uso agrícola até 1999. Métodos: Foi calculada a Ingestão Diária Máxima Teórica (IDMT) para cada pesticida, utilizando limites máximos de ...
Caldas, Eloisa Dutra   +1 more
core   +1 more source

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