Results 101 to 110 of about 16,528 (226)

Meia-vida do diuron em solos com diferentes atributos físicos e químicos

open access: yesCiência Rural, 2013
A distribuição e a dissipação dos herbicidas nos solos são processos dinâmicos e únicos para cada relação solo-herbicida. Neste trabalho, a meia-vida do diuron foi determinada em cinco solos (Latossolo Vermelho Amarelo, Latossolo Vermelho e Latossolo ...
Paulo Roberto Ribeiro Rocha   +7 more
doaj   +1 more source

Production de références pour le désherbage de la culture de canne à sucre. La Réunion - 2005 [PDF]

open access: yes, 2006
Au cours de l'année 2005, dix-neuf essais d'efficacité d'herbicides de pré-levée ont été mis en place en culture de canne à sucre à La Réunion. Huit produits ont été testés seul ou en association (acétochlore, isoxaflutole, mésotrione, S-métolachlore ...
Canavi Botanica - REU   +7 more
core  

Avaliação de herbicidas no controle de plantas daninhas, na cultura da soja (Glycine max (L.) Merril) no sistema de plantio direto. [PDF]

open access: yes, 2015
bitstream/item/133891/1/ID12999-1981-1982sojaresultados-p81-86.pdfTrabalhos apresentados na X Reunião de Pesquisa de Soja da Região Sul, Porto Alegre ...
BEN, J. R.   +3 more
core  

Sorption de l'atrazine et du diuron sur charbon actif en poudre en présence de tensioactifs, ions calcium et bichromate. Essai de modélisation [PDF]

open access: yes, 1999
La contamination des eaux naturelles par les micropolluants organiques tels que les herbicides, nécessite le recours à des procédés très performants, en particulier l'adsorption sur charbon actif pour satisfaire aux normes de potabilité sur les eaux ...
Ayele, J., Yaacoubi, A.
core   +1 more source

A Time-Dose Response Model to Assess Diuron-Induced Photosynthesis Inhibition in Freshwater Biofilms

open access: yesFrontiers in Environmental Science, 2018
Contamination by herbicides is reported in most freshwater environments. These biologically active compounds may impact the non-target biota such as benthic biofilms, at the base of the trophic chain.
Soizic Morin   +2 more
doaj   +1 more source

Controle de plantas daninhas na cultura do algodoeiro (Gossypium hirsutum L.) em solo anteriormente ocupado por vegetação de Cerrado Weed control on the cotton crop (Gossypium hirsutum L.) in a soil previously occuped by Cerrado vegetation

open access: yesPlanta Daninha, 1991
Estudou-se os efeitos de herbicidas, isolados ou combinados, na cultura do algodão (Gossypium hirsutum L.) e eficiência no controle das plantas daninhas.
J.G. Machado Neto, M.L.T. de Moraes
doaj   +1 more source

Acute toxicity tests of two herbicides diuron and atrazine on the beetle Crenitis sp in Volta Basin, Burkina Faso [PDF]

open access: yes, 2014
Acute toxicity tests were performed on Crenitis spp (Coleoptera; Hydrophilidae) using two herbicides, atrazine and diuron in the laboratory. The experiment was to investigate the effect of high doses of these pollutants in individually and together for ...
Cecchi, Philippe   +2 more
core  

Sorção de Diuron em minerais da fração argila

open access: yesQuímica Nova, 2012
The objective of the present study was to evaluate the adsorption of the herbicide Diuron onto smectite and Fe oxides minerals. Ninety mg of each mineral, 1 mL of 0.15 mol L-1 CaCl2 and 8 mL of Diuron (0.25-10.00 mg L-1) were used in triplicates.
Izabel Cristina Leinig Araujo   +3 more
doaj   +1 more source

Bioefficacy of controlled release formulations of diuron on Brassica rapa [PDF]

open access: yes, 2012
Controlled-release formulations (CRF) of diuron were prepared in laboratory using the concept of physical matrix utilizing sodium alginate and kaolin.
Mazlan, Norida   +2 more
core  

Controle de Commelina benghalensis, C. erecta e Tripogandra diuretica na cultura do café. [PDF]

open access: yes, 2017
O objetivo deste trabalho foi avaliar o efeito de diferentes herbicidas/misturas no controle de três espécies de trapoeraba (Commelina benghalensis, C.
FREITAS, S. P.   +2 more
core  

Home - About - Disclaimer - Privacy