نتایج جستجو برای: Nurseries

تعداد نتایج: 3940  

Journal: :Journal of economic entomology 2015
Michael E Reding Christopher M Ranger Blair J Sampson Christopher T Werle Jason B Oliver Peter B Schultz

Some exotic ambrosia beetles are damaging pests in ornamental nurseries. Xylosandrus germanus (Blandford) is the most problematic ambrosia beetle in Ohio nurseries. Movement of X. germanus in nurseries has not been characterized, and knowledge is lacking on whether infestations originate from within nurseries or surrounding habitats. Flight activity of X. germanus was monitored in nurseries and...

Journal: :حفاظت گیاهان 0
طبری طبری علی نیا علی نیا قهاری قهاری

abstract striped rice stem borer, chilo suppressalis walker (lepidoptera: pyralidae) is one of the important pests in rice fields of mazandaran. therefore, almost the farmers of northern iran apply several pesticides in nurseries for the pest control; while it is causes environmental risks and damages to human. in this research two different items including, 1- study of egg masses density in nu...

Journal: :The Science of the total environment 2012
Shuwei Liu Ling Zhang Jingyan Jiang Nannan Chen Xiaomei Yang Zhengqin Xiong Jianwen Zou

Measurements of methane (CH(4)) and nitrous oxide (N(2)O) fluxes have been extensively taken following rice seedlings transplanted into paddy fields, while little is known about CH(4) and N(2)O fluxes from rice seedling nurseries. Fluxes of CH(4) and N(2)O were simultaneously measured in rice seedling nurseries under the water regimes of continuous flooding and moist irrigation without waterlog...

Journal: :جنگل و فرآورده های چوب 0
محمد باقر خدایی مربی پژوهش، مؤسسة تحقیقات جنگل ها و مراتع کشور، تهران، ایران علی اقتصادی استادیار پژوهش، مؤسسة تحقیقات جنگل ها و مراتع کشور، تهران، ایران ملیحه محمدی نسب کارشناس کامپیوتر، مؤسسة تحقیقات جنگل ها و مراتع کشور، تهران، ایران

forest nurseries in north are the main sources of seedlings production for forest organization and urban green spaces. for more produce and less cost should be done good management of the production operations.study included data from 16 nursery seedling production in the north. in this study land (an area of seedling land) and personnel (workers and employees) as an input and the number of see...

2015
Sara E. Benjamin Neelon Thomas Burgoine Kathryn R. Hesketh Pablo Monsivais

Recent national guidelines call for improved nutrition within early years settings. The aim of this cross-sectional study was to describe foods and beverages served in nurseries, assess provider behaviors related to feeding, and compare these practices to national guidelines. We administered a mailed survey to a random sample of nurseries across England, stratifying by tertile of deprivation. A...

2001
Marja-Liisa Juntunen

In 1996 a questionnaire on seedling production and use of pesticides was sent to 33 forest nurseries in Finland. Twenty-eight nurseries answered the questionnaire; thus the survey covered about 80% of the Finnish production of forest seedlings. According to this study, the Finnish nurseries together are using about 1000 kilograms of pesticides (as active ingredient, a.i.) annually. The most use...

Journal: :Pediatrics 2002
Michael D Cabana Kimberly D Aiken Sarah J Clark

OBJECTIVE Hepatitis B vaccination (HBV) is unlike any other immunization series because it can be initiated in the hospital nursery. The objective of this study was to describe how hospital nurseries develop HBV policies and to describe the sources of information used for learning about national HBV recommendations. METHODS A cross-sectional telephone survey was conducted on a national random...

Journal: :Marine environmental research 2011
Bruno Guinand Eric D H Durieux Célie Dupuy Frédérique Cerqueira Marie-Laure Bégout

Growth-related characters, condition factor, and genetic differentiation were investigated for a single cohort of young-of-the-year (YOY) sole within and among nurseries with differing levels of heavy metals (Cd, Cu and Zn) contamination in the two Charentais Straits, Bay of Biscay, France. Analyses were performed when individuals recruited (May), then after a full summer spent in each nursery ...

Journal: :Public health nutrition 2011
Mike Parker Ffion Lloyd-Williams Gemma Weston Julie Macklin Kate McFadden

OBJECTIVE To explore nutrition and food provision in pre-school nurseries in order to develop interventions to promote healthy eating in pre-school settings. DESIGN Quantitative data were gathered using questionnaires and professional menu analysis. SETTING In the community, at pre-school nurseries. SUBJECTS All 130 nurseries across Liverpool were a sent questionnaire (38 % response rate)...

Journal: :Nature 1966

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