نتایج جستجو برای: lawns

تعداد نتایج: 540  

Journal: :Journal of Environmental Quality 2021

Abstract Fertilizer applications on lawns have raised environmental concerns in many Canadian municipalities. In this greenhouse study, NO 3 –N leaching losses from Kentucky bluegrass ( Poa pratensis L.) were evaluated two soils (a schist loam and a clay loam) sand/peat moss rootzone mix (80% sand, 20% peat moss). Eight different fertilizer N sources (urea, Polyon 8 12‐wk release, Duration 45 9...

Journal: :Journal of environmental quality 2004
Karl Guillard Kelly L Kopp

Various N fertilizer sources are available for lawn turf. Few field studies, however, have determined the losses of nitrate (NO(3)-N) from lawns receiving different formulations of N fertilizers. The objectives of this study were to determine the differences in NO(3)-N leaching losses among various N fertilizer sources and to ascertain when losses were most likely to occur. The field experiment...

Journal: :Land 2022

Urban areas are facing a range of environmental challenges including air, water and soil pollution as result industrial, domestic traffic emissions. In addition, global climate change is likely to aggravate certain urban problems disturb the ecology by increasing frequency severity extreme weather events. context urbanization growth consequent impact on environment, there growing interest in ma...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2005
Haiyu Zhang María R Gómez-García Michael R W Brown Arthur Kornberg

Dictyostelium discoideum, a social slime mold that forms fruiting bodies with spores, depends on inorganic polyphosphate (poly P) for its cycles of development and for nutritional predation on bacteria. The synthesis of poly P, a polymer of tens or hundreds of phosphate residues linked by high energy, ATP-like bonds, is catalyzed in most bacteria by poly P kinase (PPK1). The eukaryote D. discoi...

Journal: :Journal of the Japanese Institute of Landscape Architects 1983

Journal: :Journal of Insect Conservation 2021

Abstract Within the citizen science project “Flowering meadows for Saxonian butterflies”, more than 640 are partially and at maximum three times annually mowed in order to change urban lawns into habitats insects. In 2019, insect diversity was evaluated using 100 sweep net technique during five visits nine butterfly (BM) intensively (IML). The mean arthropod biomass of these per site is signifi...

Journal: :American Journal of Plant Sciences 2023

The Cameroonian flora has a very high biodiversity that remains largely unexplored. It contains many grasses can be used for sports lawns, but are currently underutilized. In order to contribute the improvement of quality nine local grass taxa from agro-ecological zone with bimodal rainfall in Cameroon were evaluated their potential sporting use natural lawns. method Study and Control Group Var...

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