Results 71 to 80 of about 4,262 (271)

Chemical Control of Morning Glory Species in Sugarcane Harvested in the Dry and Semi-Wet Seasons1 [PDF]

open access: yesPlanta Daninha, 2016
The control of morning glory (Ipomoea spp. and Merremia aegyptia) was evaluated in five commercial sugarcane-production fields receiving applications of the herbicides sulfentrazone (0.9 kg ha-1), amicarbazone (1.4 kg ha-1), imazapic (0.147 kg ha-1), and
N.M. CORREIA
doaj   +2 more sources

Site Factors Influence on Herbaceous Understory Diversity in East Texas Pinus palustris savannas [PDF]

open access: yes, 2018
Longleaf pine (Pinus palustris) savannas were once dominant across the southeastern U.S., including East Texas and parts of western and central Louisiana.
Farrish, Kenneth, PhD   +4 more
core   +1 more source

Eficiência de herbicidas pré-emergentes após períodos de seca Efficiency of pre-emergence herbicides after different periods of drought

open access: yesPlanta Daninha, 2008
Objetivou-se, com este trabalho, estudar a eficácia de herbicidas pré-emergentes após períodos de seca, em dois tipos de solo. Foram realizados dois ensaios simultâneos em casa de vegetação: no primeiro foram aplicados os herbicidas (trifloxysulfuron ...
P.A. Monquero   +4 more
doaj   +1 more source

Método para a determinação de hexazinone e tebutiuron em água. [PDF]

open access: yes, 2015
This work presents an alternative method for determination of the herbicides tebuthiuron and hexazinone in ground water. The extraction was made with dichloromethane and the analyses by high performance liquid chromatography (HPLC), using reversed-phase ...
FERRACINI, V. L.   +3 more
core  

HEXAZINONE MOVEMENT IN BLUEBERRY SOILS IN MAINE

open access: yesHortScience, 1993
An experiment was established to compare open mineral soil, soil with bark mulch, soil with blueberry cover and tilled clones on hexazinone movement through the soil. Hexazinone was applied preemergence to a lowbush blueberry field at 2 kg/ha in the spring of 1990 and soil samples were taken at the time of application, one month, six months and one ...
David E. Yarborough, Klaus I.N. Jensen
openaire   +1 more source

A novel Fe2O3@CeO2 heterojunction substrate with high surface‐enhanced Raman scattering performance

open access: yesSmartMat, Volume 5, Issue 6, December 2024.
The Fe2O3@CeO2 heterojunction surface‐enhanced Raman scattering substrate is synthesized by encapsulating ɑ‐Fe2O3 with CeO2, which has a core‐shell structure and excellent enhancement effect on the Raman signal of methyl orange and several kinds of organophosphorus pesticides.
Mingjian Zhang   +12 more
wiley   +1 more source

Pesticides in the Great Barrier Reef catchment area: Plausible risks to fish populations

open access: yesIntegrated Environmental Assessment and Management, Volume 20, Issue 5, Page 1256-1279, September 2024.
Abstract Waterways that drain the Great Barrier Reef catchment area (GBRCA) transport pollutants to marine habitats, provide a critical corridor between freshwater and marine habitats for migratory fish species, and are of high socioecological value.
Sharon E. Hook   +3 more
wiley   +1 more source

Challenges in bermudagrass production in the southeastern USA

open access: yesGrassland Research, Volume 3, Issue 2, Page 123-131, June 2024.
The bermudagrass stem maggot is one of the most persistent pests in the southeastern USA. The damage is evident by chlorosis of the top two to three leaves of the pseudostem. Fine stem cultivars (left) are more susceptible than coarse stem cultivars (right).
Lisa L. Baxter   +4 more
wiley   +1 more source

Pesticide monitoring in inshore waters of the Great Barrier Reef using both time-integrated and event monitoring techniques (2013-2014) [PDF]

open access: yes, 2014
The report details pesticide monitoring activities carried out utilising a combination of passive sampling and grab sampling techniques in the Great Barrier Reef Marine Park as part of the Reef Rescue Marine Monitoring Program (MMP).
Devlin, M.   +4 more
core  

Preoxidation and adsorption in granular activated carbon for the removal of Diuron and Hexazinone from groundwater [PDF]

open access: yes, 2009
O cultivo da cana-de-açúcar exige a utilização de herbicidas, destacando-se o Diuron e a Hexazinona. Alguns dos poços de abastecimento de Ribeirão Preto (SP) construídos no Aquífero Guarani estão situados em pontos de recarga, e a presença de solo de ...
BALLEJO, Renata Rueda   +3 more
core   +2 more sources

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