نتایج جستجو برای: plant cover

تعداد نتایج: 497813  

Journal: :Journal of Plant Nutrition and Soil Science 2022

Journal of Plant Nutrition and Soil ScienceVolume 185, Issue 3 p. 343-343 COVER PICTUREFree Access Cover Picture: J. Nutr. Sci. 3/2022 First published: 08 June 2022 https://doi.org/10.1002/jpln.202270031AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text full-text accessPlease review our Terms Conditions Use check box below share v...

Journal: :Journal of Plant Nutrition and Soil Science 2023

Journal of Plant Nutrition and Soil ScienceVolume 186, Issue 2 p. 147-147 COVER PICTUREFree Access Cover Picture: J. Nutr. Sci. 2/2023 First published: 10 April 2023 https://doi.org/10.1002/jpln.202370021AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text full-text accessPlease review our Terms Conditions Use check box below share ...

Journal: :Journal of Plant Nutrition and Soil Science 2021

Journal of Plant Nutrition and Soil ScienceVolume 184, Issue 4 p. 411-411 COVER PICTUREFree Access Cover Picture: J. Nutr. Sci. 4/2021 First published: 12 August 2021 https://doi.org/10.1002/jpln.202170041AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text full-text accessPlease review our Terms Conditions Use check box below share...

2007
W. S. Monfort J. Desaeger K. Seebold T. M. Webster J. C. Diaz-Perez

Multiple Brassica species commonly grown in Georgia were evaluated as a potential alternative to methyl bromide for management of root-knot nematode in vegetables. Brassica species produce general biocides called glucosinolates and were grown as cover crops and incorporated as green manures prior to transplanting of vegetable crop. Nematicidal activity of the Brassica species was based on net c...

Journal: :محیط زیست طبیعی 0
جابر شریفی عضو هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان اردبیل، دانشجوی دورۀ دکتری موسسۀ تحقیقات گیاه شناسی آکادمی ملی علوم آذربایجان. عادل جلیلی استاد پژوهش موسسۀ تحقیقات جنگل ها و مراتع ایران. شاکر قاسم اف استاد پژوهش موسسۀ گیاه شناسی آکادمی ملی علوم جمهوری آذربایجان علیرضا نقی نژاد دانشیار گروه زیست شناسی، دانشکده علوم پایه، دانشگاه مازندران، بابلسر علی اکبر ایمانی استادیارگروه گشاورزی و گیاهان دارویی دانشگاه اسلامی آزاد اسلامی واحد اردبیل

the current study aims to ordinate ecological groups in the wetlands of northern and eastern slopes of the sabalan mountain and investigate their relationship with environmental variables. the location of wetlands was found using field surveys and satellite images. in total, 32 wetland sites were identified for the sampling purpose. 320 sample plots (relevé) were selected using the systematic-r...

Journal: :Environmental management 2006
Steven S Seefeldt D Terrance Booth

Methods that are more cost-effective and objective are needed to detect important vegetation change within acceptable error rates. The objective of this research was to compare visual estimation to three new methods for determining vegetation cover in the sagebrush steppe. Fourteen management units at the US Sheep Experiment Station were identified for study. In each unit, 20 data collection po...

2018
Lindsay G Carlson Karen H Beard Peter B Adler

Both the direct effects of warming on a species' vital rates and indirect effects of warming caused by interactions with neighboring species can influence plant populations. Furthermore, herbivory mediates the effects of warming on plant community composition in many systems. Thus, determining the importance of direct and indirect effects of warming, while considering the role of herbivory, can...

2014
Encarna Rodríguez-García Felipe Bravo Thomas A. Spies

Seedling emergence, survival and early growth of the Mediterranean conifer P. pinaster were studied under closed canopy and open canopy (gaps) cover conditions in a Mediterranean forest of central Spain during two consecutive years (March 2008 to January 2010). Our main objective was to understand how overstorey structure, shrubs and soil properties influence recruitment in this species. Natura...

Journal: :Remote Sensing 2016
Jean-Pierre Dedieu Bradley Z. Carlson Sylvain Bigot Pascal Sirguey Vincent Vionnet Philippe Choler

We investigated snow cover dynamics using time series of moderate (MODIS) to high (SPOT-4/5, Landsat-8) spatial resolution satellite imagery in a 3700 km2 region of the southwestern French Alps. Our study was carried out in the context of the SPOT (Take 5) Experiment initiated by the Centre National d’Etudes Spatiales (CNES), with the aim of exploring the utility of high spatial and temporal re...

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