Results 21 to 30 of about 197,689 (275)

BIOLOGICAL ACTIVITY OF SULFUR NANOPARTICLES OBTAINED FROM SODIUM POLYSULFIDE AQUEOUS SOLUTIONS [PDF]

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2013
Studied the process of the formation of nanoparticles sulfur obtained by mixing polysulfides with of organic and inorganic acids solutions. We revealed a significant acceleration of the growth of plants with the introduction of nanoparticles sulfur in ...
R.M. Zaynitdinova   +4 more
doaj  

Dactyloctenium aegyptium (L.) Willd. (Poaceae) Differentially Responds to Pre- and Post-Emergence Herbicides through Micro-Structural Alterations

open access: yesAgriculture, 2022
Herbicides are widely used to kill weeds and increase crop production all over the world. Nevertheless, some weeds show certain structural modifications in response to herbicide application that impart mostly partial or sometimes complete tolerance to ...
Sidra Riaz   +9 more
doaj   +1 more source

Fruiting phenology of some weed species in sowing of chosen cultivar plants

open access: yesActa Agrobotanica, 2012
In the paper, the percentage shares of the phases of fruiting and diaspore shedding of some weed species during fodder beet, spring wheat and faba bean harvest are presented. The results of the study were gathered in the years 2000-2003 on river alluvial
Marian Wesołowski
doaj   +1 more source

Can we predict community-wide effects of herbicides from toxicity tests on macrophyte species? [PDF]

open access: yes, 2011
Macrophyte communities play an essential role in the way freshwater ecosystems function. It is thus of great concern to understand how environmental factors, especially anthropogenic ones, influence their composition and diversity.
Coutris, Claire   +4 more
core   +2 more sources

Effect of selected herbicides on yielding and malting quality of spring barley cultivars

open access: yesActa Agriculturae Scandinavica. Section B, Soil and Plant Science, 2017
The aim of the study was to determine the effect of herbicides on yields, yield components and malting quality of the grains of barley cultivars. Literature worldwide lacks works on the impact of herbicides on the brewing quality of barley.
Kazimierz Noworolnik   +1 more
doaj   +1 more source

Deep learning for detecting herbicide weed control spectrum in turfgrass

open access: yesPlant Methods, 2022
Background Precision spraying of postemergence herbicides according to the herbicide weed control spectrum can substantially reduce herbicide input.
Xiaojun Jin   +4 more
doaj   +1 more source

Evolutionary-thinking in agricultural weed management [PDF]

open access: yes, 2009
Agricultural weeds evolve in response to crop cultivation. Nevertheless, the central importance of evolutionary ecology for understanding weed invasion, persistence and management in agroecosystems is not widely acknowledged.
Ainsworth   +140 more
core   +2 more sources

Organic Cropping Systems do not Increase Weed Seed Numbers but do Increase Weed Diversity [PDF]

open access: yes, 2020
The influence of different cropping systems on the soil weed seed bank after the first crop rotation within a five-field crop rotation (barley undersown with red clover, red clover, winter wheat, pea, potato) in three organic (Org) and in two ...
Alaru, Maarika   +7 more
core   +1 more source

Sensitivity of freshwater periphytic diatoms to agricultural herbicides [PDF]

open access: yes, 2009
The biomonitoring of pesticide pollution in streams and rivers using algae such as diatoms remains difficult. The responses of diatomcommunities to toxic stress in streamwater are disturbed by the variations of environmental parameters.
Coste, Michel   +6 more
core   +4 more sources

Herbicide Evaluation in Arkansas Cotton, 1999 [PDF]

open access: yes, 2000
Herbicidal weed control is economically important for production of cotton. Field experiments are conducted annually in Arkansas to evaluate the activity of developmental and commercial herbicides for selective control of weeds in cotton.
Barrentine, Jim   +3 more
core   +2 more sources

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