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126篇 您的检索式:作者名="Poschenrieder"
    题名 作者 年代 出处 被引量
1Current Soil Nutrient Status of Intensively Managed Greenhouses显示文摘Nine districts covering the main greenhouse vegetable areas in Tianjin Municipality of the North China Plain were selected for the soil investigation in 2010 to survey the current soil nutrient status (soil available N, P and K), acidification and salinization due to excessive input of fertilizers in greenhouses in Tianjin. The study showed that, in particular, soil available P content increased with the age of greenhouses. In contrast, our results did not reveal higher K accumulation and lowered pH in the greenhouse soils compared with cultivation in open fields. Over-fertilization, causing high NO 3 accumulation, most likely resulted in salinity problems in the greenhouses. Ninety percent of the investigated greenhouse soils had electrical conductivity values of saturated paste extracts of 2-10 d S m-1 , which might affect the yields of vegetable crops like green bean, pepper, cabbage, carrot, eggplant, lettuce, spinach, celery, cucumber and tomato. The findings of our survey of the current fertility and salinity problems in greenhouse soils suggest that there is an urgent need to improve the farmers' practices and strategies in fertilization management in greenhouses of China. Because education and the agricultural technical extension services may play a more important role in avoiding overuse of fertilizers, we suggest that current nutrient management practices should be improved in the near future through training of local farmers in farmers' schools and through strengthening the agricultural extension services with practical techniques.HU Yun-Cai SONG Zhi-Wen LU Wen-Long C. POSCHENRIEDER U. SCHMIDHALTER 2012Pedosphere2012,22,6:10
2Comparison of high-resolution ultrasound and MR-enterography in patients with inflammatory bowel disease显示文摘AIM:To compare the results of high-resolution ultrasound(HR-US) and magnetic resonance enterography(MRE) examinations in patients with inflammatory bowel disease(IBD).METHODS:The reports of 250 consecutive cases with known IBD,who had an MRE and HR-US examination,were retrospectively analyzed.Using a patient-based approach we evaluated morphological disease features such as affected bowel wall,stenosis,abscess and fistula.The comparison between the two modalities was based on the hypothesis,that any pathological change described in any imaging modality was a true finding,as no further standard of reference was available for complete assessment.RESULTS:Two hundred and fifty examinations representing 207 different patients were evaluated.Both modalities assessed similar bowel wall changes in 65% of the examinations,with more US findings in 11% and more MRE findings in 15%.When the reports were analyzed with regard to 'bowel wall inflammation',US reported more findings in 2%,while MRE reported more findings in 53%.Stenoses were assessed to be identical in 8%,while US found more in 3% and MRE in 29%(P < 0.01).For abscess detection,US showed more findings in 2%(n = 4) while MRE detected more in 6%(n = 16).US detected more fistulas in 1%(n = 2),while MRE detected more in 13%(n = 32)(P < 0.001).The most common reason for no detected pathology by US was a difficult to assess anatomical region(lesser pelvis,n = 72).CONCLUSION:US can miss clinically relevant pathological changes in patients with IBD mostly due to difficulty in assessing certain anatomical regions.Andreas G Schreyer Cynthia Menzel Chris Friedrich Florian Poschenrieder Lukas Egger Christian Dornia Gabriela Schill Lena M Dendl Doris Schacherer Christl Girlich Ernst-Michael Jung 2011World Journal of Gastroenterology2011,17,8:7
3天津市设施蔬菜土壤硝态氮状况研究显示文摘以天津市主要蔬菜产区为研究对象,通过分析大棚内菜地耕层土壤及0~90cm垂直分层土样,研究蔬菜地氮肥污染现状。结果表明,耕层土壤硝态氮积累量表现为蓟县>西青>静海>北辰,且菜地土壤硝态氮含量随土层深度的增加有递减趋势;蔬菜地土壤盐分与土壤硝态氮含量之间呈极显著的正相关;手持田间快速硝态氮测定仪对农田测土施肥具有一定的指导作用。程文娟 潘洁 吕雄杰 赵先胜 Christoph Poschenrieder 胡云才 Urs Schmidhalter 2012天津农业科学2012,18,2:5
4Accumulation of Pb and Zn in Bidens triplinervia and Senecio sp. spontaneous species from mine spoils in Peru and their potential use in phytoremediation显示文摘Jaume Bech Paola Duran Núria Roca Wilfredo Poma Isidoro Sánchez Luis Roca-Pérez Rafael Boluda Juan Barceló Charlotte Poschenrieder 2012Journal of Geochemical Exploration2012,,:2
5Localization of zinc and cadmium in Thlaspi caerulescens (Brassicaceae), a metallophyte that can hyperaccumulate both metals 显示文摘Vazquez M D Barcelo J Poschenrieder C 1992J Plant Physiol1992,140,:1
6Chromium(VI) induced structural changes in bush bean plants显示文摘Vazques M D Poschenrieder C H Barcelo J 1987Ann Bot1987,59,:1
7Determination of glucosinolates in rapeseed and Thlaspi caerulescens plants by liquid chromatography-atmospheric pressure chemical ionization mass spectrometry 显示文摘Tolra RP Alonso R Poschenrieder C 2000J Chromatogr A2000,889,12:1
8Plant water relation as affected by heavy metal stress:A review显示文摘Barcelo J Poschenrieder C 1990Plant Nutr1990,13,1:1
9Different Mechanisms Account for Enhanced Copper Resistance in Silene Armeria Ecotypes From Mine Spoil and Serpentine Sites显示文摘 LOMBINI A POSCHENRIEDER C 2003Plant Soil2003,251,:1
10Plant water relations as affected by heavy metal stress:a review显示文摘BARCELO J POSCHENRIEDER C 0,,01:1
11Ultrastructural effects and localization of low cadmium concentrations in bean roots显示文摘Vazquez M D Poschenrieder C H Barcelo J 1992New Phytologist1992,120,:1
12Aluminium-indnced changes in the profiles of both organic acids and phenolic substances under- lie AI tolerance in Rumexacetosa L显示文摘Tolrar P Poschenrieder C Luppib B 2005Environmental and Experimental Botany2005,54,3:1
13Phytoremediation:principles and perspec- tives显示文摘Barcel oJ Poschenrieder C 2003Contributions to Science2003,2,3:1
14Aluminum tolerance of maize cultivars as assessed by callose production and root elongation 显示文摘Llugany M Massot N Wissemeier A H Poschenrieder C Horst W J Barcelo' J 1994J Plant Nutr Soil Sci1994,157,:1
15Fast root growth responses,root exudates,and internal detoxificationas clues to the mechanisms of aluminium toxicity and resistance:a review显示文摘Barceló J Poschenrieder C 2002 2002Environmental and Experimental Botany2002,48,:1
16Fast root growth responses,root exudates,and internal detoxication as mechanisms of Aluminum toxicity and resistance:a review显示文摘Barcelo J Poschenrieder C 2000Envronmental and Experimental Botany2000,48,:1
17Another look at the flavour structure of the Littlest Higgs model with Tparity 显示文摘Blanke M Buras A J Poschenrieder A 2007Physics Letters B2007,646,:1
18Localization of Zinc and Cadmium in Thlaspi caerulescens (Brassicacease), a Metallophyte that can Hyperaccumulate both Metals 显示文摘Vazquez M D Barcelo J Poschenrieder C H 1992Journal of Plant Physiology1992,140,:1
19Rare and CP-Violating K and B Decays in the Littlest Higgs Model with T-Parity显示文摘Blanke M Buras A J Poschenrieder A 2007JHEP2007,0701,:1
20Location of zinc and cadmium in Thlaspi caerulescens (Brassicaceae),a metallophyte that can hyperaccumulate both metals显示文摘VAZQUEZ M D BARCEO J POSCHENRIEDER C 1992Plant Physiology and Biochemistry1992,140,:1
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