Results 81 to 90 of about 80,995 (311)

The native flora of the Redberry Lake Biosphere Region (Saskatchewan, Canada): taxonomy, biogeography, habitats and conservation

open access: yesNordic Journal of Botany, EarlyView.
This study reports for the first time a checklist of native vascular plants and provides a comprehensive analysis of the flora of the Redberry Lake Biosphere Region (RLBR) in the province of Saskatchewan, Canada. To complete an inventory of the regional flora, I conducted intensive field investigations during 2010–2025 and employed detailed examination
Vladimir Kricsfalusy
wiley   +1 more source

The Biology of Canadian Weeds. 131. \u3cem\u3ePolygonum aviculare\u3c/em\u3e L. [PDF]

open access: yes, 2005
A review and assessment of biological information as well as personal data are provided for Polygonum aviculare in Canada. The species has been revised taxonomically and the six subspecies that occur in Canada are presented.
Costea, Mihai, Tardif, François J.
core   +1 more source

Terniopsis chanthaburiensis (Podostemaceae), a new record for China and its complete plastid genome

open access: yesNordic Journal of Botany, EarlyView.
The genus Terniopsis consists of plants that have not been thoroughly studied, with many species remaining taxonomically unresolved. In this study, Terniopsis chanthaburiensis is reported as a new record of China based on morphological traits. Then, we assembled and annotated its chloroplast genome based on genome skimming data.
Huan‐Xi Yu   +7 more
wiley   +1 more source

Weed infestation of a spring wheat (Triticum aestivum L.) crop under the conditions of plough and ploughless tillage

open access: yesActa Agrobotanica, 2012
A field experiment was conducted in the period 2007- 2009 in the Uhrusk Experimental Farm (Lublin region) belonging to the University of Life Sciences in Lublin.
Andrzej Woźniak
doaj   +1 more source

Species composition and density of weeds in a grain maize crop depending of soil tillage

open access: yesAgricultural Science and Technology, 2020
Abstract. The study was carried out during 2014-2016 on slightly leached chernozem soil type. The species composition and density of weeds were studied in grain maize grown after previous crop wheat under the following main soil tillage types: ploughing at 24-26 cm, chisel plough at 24-26 cm and no-tillage (direct sowing).
P. Yankov, M. Drumeva
openaire   +1 more source

Friends or Foes? The Problem of South Florida’s Invasive Mangroves [PDF]

open access: yes, 2017
A recent global review on the impacts of climate change on mangroves concluded that different regions will experience varying degrees of impacts due to the variability of expected changes in climate (shifts in precipitation, frequency and intensity of ...
Araújo, Rafael J., Cox, Kelly J.
core   +2 more sources

Pinguicula brendae (Lentibulariaceae) sp. nov., a carnivorous plant from a tropical montane cloud forest in Hidalgo, Mexico

open access: yesNordic Journal of Botany, EarlyView.
A new species of Lentibulariaceae, Pinguicula brendae Rodríguez‐Ramírez, H.Shimai & A.R. Andrés‐Hernández, is described based on its unique morphological characteristics. This species is restricted to limestone rock walls in the San Bartolo Tutotepec municipality, central‐eastern Hidalgo, Mexico, where it inhabits a single locality on vertical, north ...
Ernesto C. Rodríguez‐ Ramírez   +2 more
wiley   +1 more source

The influence of tillage systems, fertilization and plant protection levels on weed infestation in winter rye cultivated on light soil

open access: yesActa Agrobotanica, 2013
The purpose of this work was to determine the influence of conventional and ploughless tillage systems upon infestation in two differentiated fertilization and plant protection levels on light soil.
Piotr Kraska, Edward Pałys
doaj   +1 more source

SPECIES COMPOSITION OF COMPANION WEEDS OF COTTON CULTURE OF TURKESTAN REGION AND PATTERNS OF THEIR DISTRIBUTION

open access: yes, 2023
The article provides effective ways to control weeds and their information about the species composition and degree of contamination of cotton. Agrophytocenosis analysis of weeds of the south of Kazakhstan was carried out, herbological monitoring was carried out.In the context of increasing cotton yields in light gray soil conditions in Turkestan ...
Issayev, Gani, Baimuratova, Symbat
openaire   +1 more source

‘Should’ and ‘can’ active restoration be used in biodiversity offsets? Stakeholder perspectives from New South Wales, Australia

open access: yesPeople and Nature, EarlyView.
Abstract Despite their controversial nature, biodiversity offsets are often used as a regulatory tool to counterbalance the impacts of land clearing on biodiversity. Offsets usually aim to achieve no net loss (NNL) of biodiversity through protection and/or restoration of habitat.
Laure‐Elise Ruoso   +3 more
wiley   +1 more source

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