Results 91 to 100 of about 4,395 (239)

Pesticides residue analysis in yam from selected markets across Ghana and Belgium : an evaluation of the QUECHERS method [PDF]

open access: yes, 2018
Background In recent years, concerns have been raised in Ghana regarding the use of pesticides in yamproduction to the extent that it is feared that pesticides residues may be found in the yam tuber which isconsumed by many Ghanaians. This present study,
Houbraken, Michael   +3 more
core   +2 more sources

The reaction mechanism of acetanilide herbicides with urease

open access: yes浙江大学学报. 农业与生命科学版, 2004
The binding of acetochor, pretilachor, butachlor and metolachlor to urease in aqueous solution was studied using UV difference spectrum and fluorescence spectrum methods.
LIU Hui-jun, LIU Wei-ping
doaj   +1 more source

Residual Effect of Sowing Dates, Nutrient and Weed Management in Rice on Growth and Yield of Succeeding Linseed

open access: yesInternational Journal of Bio-Resource and Stress Management, 2023
Crop management factors employed on the preceding crop of rice had significant impact on the growth and yield of linseed. Residual effect of certain agronomic management aspects such as nutrition and weed management in rice crop had significant effect ...
L. Tongpang Longkumer, P. L. Singh
doaj  

Evaluation of seeding rates of rice nursery on seedling vigour and its effect on crop productivity under system of rice intensification [PDF]

open access: yes, 2016
Four seeding rates (25, 30, 35 and 40 g/m2) of rice in nursery were tested for seedling vigour recorded at 10, 17 and 24 DAS at Malan during 2013 and 2014. The seedling vigour so obtained in nursery was subsequently evaluated in field during kharif 2013.
Pathania, Ranu   +3 more
core   +2 more sources

SUBACUTE HISTOPATHOLOGICAL EFFECT OF BUTACHLOR ON MALE ALBINO RATS [PDF]

open access: yesEgyptian Journal of Agricultural Research, 2010
The present study aimed to investigate subacute histopathological changes induced by male albino rats after orally treatment with 320, 80 ppm butachlor 60% EC. At the end of treatment period samples of liver, kidney and stomach tissues of the two treated groups were taken and microscopally examined, then compared with tissues taken from the control ...
openaire   +1 more source

Growth and Yield of Direct-Seeded Rice (Oryza sativa) as Influenced by Sowing Dates and Weed Management Methods

open access: yesInternational Journal of Bio-Resource and Stress Management, 2011
A field experiment was conducted during rainy seasons of 2007 and 2008 at Rajendra Agricultural University, Pusa, Bihar on sandy loam soil to study the response of sowing date and weed management methods on direct seeded rice The treatments included ...
Devendra Mandal   +3 more
doaj  

The safety evaluation of prebiotic isomalto-oligosaccharid on the liver and gill tissues in common carp (Cyprinus carpio) exposed to lethal concentrations of butachlor toxin [PDF]

open access: yesبوم‌شناسی آبزیان, 2017
The aim of this study was to evaluate the safety effects of prebiotic isomalto-oligosaccharid on the damage of liver and gill tissues in common carp exposed to lethal concentrations of toxin butachlor.
Aliakbar Hedayati   +2 more
doaj  

Growth and productivity of juvenile banana prawns, Penaeus merguiensis in natural and laboratory systems [PDF]

open access: yes, 1985
only.Growth and survival of Penaeus merguiensis juveniles were measured over four years in the Norman River estuary, south-eastern Gulf of Carpentaria. Growth in carapace length for the first 8-9 weeks after settlement was essentially linear and averaged
Heales, Donald S.   +2 more
core   +1 more source

Editable chemical structure files (SK2 and MDL mol) of pesticide active ingredients [PDF]

open access: yes, 2016
This Dataset contains a long list of online, freely available sk2 and MDL mol files of a number of pesticide active ingredients for use by anyone interested (students, teachers, researchers, etc.)
Kőmíves, Tamás
core   +3 more sources

Gas Chromatographic Determination of Butachlor in Formulations: Collaborative Study

open access: yesJournal of AOAC INTERNATIONAL, 1986
Abstract An isothermal gas chromatographic (GC) method for measuring butachlor in formulations was tested by 15 laboratories. Samples were prepared in acetone and determined using a GC column of 10% SP-2250 on 100-120 mesh Supelcoport, and triphenyl phosphate as internal standard.
David F Tomkins   +16 more
openaire   +1 more source

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