Results 81 to 90 of about 5,414 (227)

Efficiency of herbicides applied in post-emergence in maize and Urochloa brizantha cv. Marandu intercropping = Eficiência de herbicidas aplicados em pós-emergência em milho consorciado com Urochloa brizantha cv. Marandu

open access: yesAgro@mbiente On-line, 2014
- In the Cerrado region the consortium between corn and forage grass has been widely used aiming at establishment or renovation of pasture. The efficiency of the consortium can be obtained by suppression of competition between species consorts with the
Paula Nogueira Rezende   +5 more
doaj   +1 more source

ECONOMIC AND ENVIRONMENTAL EFFECTS ASSOCIATED WITH REDUCING THE USE OF ATRAZINE: AN EXAMPLE OF CROSS-DISCIPLINARY RESEARCH [PDF]

open access: yes
Restricting or eliminating the use of atrazine in the Midwest would have important economic consequences for farmers, consumers, and the environment. These consequences can only be evaluated with cooperation between economists and weed scientists.
Hurley, Terrance M., Ribaudo, Marc
core   +1 more source

Herbicide Evaluation in Arkansas Rice, 1997 [PDF]

open access: yes, 1999
Weed control is economically important for production of rice, a major crop in Arkansas. These findings summarize efforts of the team of Arkansas scientists working on weed control strategies for rice during 1997.
Baldwin, Ford   +8 more
core   +2 more sources

Seletividade de herbicidas pré e pós-emergentes para o pinhão-manso. [PDF]

open access: yes, 2018
O experimento foi instalado em Prudente de Morais, MG, em 2009, com o objetivo de avaliar a seletividade de herbicidas aplicados em pré e pós-emergência para a cultura do pinhão manso.
ARAUJO, S. G. A.   +7 more
core  

Werken aan schoner oppervlaktewater in intensieve maïsteeltgebieden. Pilotstudie Maïscasus in de Hoge en Lage Raam in 2008 [PDF]

open access: yes, 2009
De maïsteelt is een grote gebruiker van herbiciden en er zijn zelfs typische maïsteeltmiddelen. In heel beperkte mate worden zelfs herbiciden in zo’n mate gevonden, dat ecologische normen worden overschreden. Een werkgroep is opgezet om deze problematiek
Backbier, B.M.A., Hulst, W., van der
core   +1 more source

Eucalyptus citriodora leaf extract as a source of allelochemicals for weed control in pea fields compared with some chemical herbicides

open access: yesJournal of Plant Protection Research, 2019
Two field experiments were established at the Agricultural Experimental Station of the National Research Centre at Nubaria, Beheira Governorate, Egypt to study the herbicidal potential of the leaf extract of Eucalyptus citriodora at 5, 10, 15, 20 and ...
Ibrahim Mohamed El-Metwally   +1 more
doaj   +1 more source

Special Topic: Chesapeake Bay Management -- Welfare Implications of Restricted Triazine Herbicide Use in the Chesapeake Bay Region [PDF]

open access: yes
The United States Environmental Protection Agency has responsibility under the Federal Insecticide, Fungicide, and Rodenticide Act (FIERA) to formulate pesticide policies on the basis of risk-benefit analyses.
Gianessi, Leonard P.   +4 more
core   +1 more source

Seletividade e eficácia de herbicidas em cultivares de feijão-caupi (Vigna unguiculata (L.) Walp.). [PDF]

open access: yes, 2013
Objetivou-se avaliar a seletividade e eficácia de herbicidas para a cultura do feijão-caupi, através de um experimento fatorial 2 x 13, delineamento de blocos casualizados.
FREIRE FILHO, F. R.   +5 more
core  

The impact of climate change on aquatic risk from agricultural pesticides in the US [PDF]

open access: yes
Agricultural pesticides have adverse impacts on water quality and aquatic species. These impacts are sensitive to climate because pest pressure and corresponding pesticide application rates vary with weather and climate conditions.
Nikolinka G. Koleva, Uwe a Schneider
core  

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