نتایج جستجو برای: three mowing heights including 2

تعداد نتایج: 4125365  

Journal: :Land 2022

In spring, grazing equids may suffer from a severe rhabdomyolysis syndrome named atypical myopathy. This environmental intoxication results ingestion of toxins contained in Acer pseudoplatanus seedlings. The aim this study was to investigate the effectiveness herbicide spraying and mowing reduce toxic pressure sycamore first experiment, efficacy three herbicides eradicate seedlings compared mow...

Journal: :پژوهش های تولید گیاهی 0
ریحانه عسگرپور - رضا قربانی عضو هیات علمی دانشگاه فردوسی مشهد نرگس پورطوسی سازمان پارکها و فضای سبز شهد علیه گنجی - فرنوش فلاح پور -

background and objectivescommon privet (ligustrum vulgare) is one of the most important plants in landscapes of iran. this plant is adaptable to unfavorable environmental conditions, so that is cultivated widespread in urban landscape. invasion of dodder to common privet caused problems for landscape management in mashhad city in recent years. dodder is an obligate parasite of many plant famili...

2005
James O. Luken

Carolina bays are depression wetlands of high conservation value that occur across the Southeastern Coastal Plain of the United States. Venus flytrap (Dionaea muscipula) is one rare carnivorous plant that grows in open habitats on the rims of Carolina bays. Without frequent burning, vegetation on bay rims becomes dominated by evergreen shrubs and Venus flytrap populations decline. This project ...

Journal: :Environmental management 2011
Kirk W Davies Jon D Bates Aleta M Nafus

Wyoming big sagebrush (Artemisia tridentata ssp. wyomingensis Beetle & Young) communities frequently are mowed in an attempt to increase perennial herbaceous vegetation. However, there is limited information as to whether expected benefits of mowing are realized when applied to Wyoming big sagebrush communities with intact understory vegetation. We compared vegetation and soil nutrient concentr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده زبانهای خارجی 1393

feminine voice and narratology in wuthering heights wuthering heights as a general "bronte" work has extraordinary dimensions to it which can make it focal to different ways of interpretation. among other differences the issue of narrative voice is essential in understanding the ultimate purpose of wuthering heights. emily bronte uses different narrators from various focal points speaking of m...

2014
Mitka Eleftheria

The use of mowing robots in anthropic environment is increasing, leading to the call for specific safety standards. This is a challenging endeavour, however, because the user must usually be placed in the robot's workspace and the residents must frequently interact with the robot. Although specific safety standards for mowing robots do not yet exist, there are several mowing device standards an...

Journal: :Science 1998
Collins Knapp riggs Blair Steinauer

Species diversity has declined in ecosystems worldwide as a result of habitat fragmentation, eutrophication, and land-use change. If such decline is to be halted ecological mechanisms that restore or maintain biodiversity are needed. Two long-term field experiments were performed in native grassland to assess the effects of fire, nitrogen addition, and grazing or mowing on plant species diversi...

Journal: :Modelling and Simulation in Materials Science and Engineering 2017

2018
Zhiying Liu Taogetao Baoyin Juan Sun Hugjiltu Minggagud Xiliang Li

While mowing-induced changes in plant traits and their effects on ecosystem functioning in semi-arid grassland are well studied, the relations between plant size and nutrient strategies are largely unknown. Mowing may drive the shifts of plant nutrient limitation and allocation. Here, we evaluated the changes in nutrient stoichiometry and allocation with variations in sizes of Leymus chinensis,...

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