نتایج جستجو برای: populus euramericana
تعداد نتایج: 5539 فیلتر نتایج به سال:
در پژوهش پیشرو، پتانسیل گیاهپالایی کلن 561/41 صنوبر اورامریکن (Populus euramericana Guinier) به خاک آلوده به سرب (غلظتهای صفر، 500، 1000، 1500 و 2000 میلیگرم بر کیلوگرم) در یک مکان مسقف در قالب طرح کامل تصادفی بررسی شد. نتایج نشان داد که در غلظتهای 500، 1000، 1500 و 2000 میلیگرم بر کیلوگرم سرب، زندهمانی بهترتیب حدود 19/9، 35/8، 55/6 و 60/3 درصد کاهش یافت. این درحالی بود که اعمال غلظتها...
Most of the perennial plant species, particularly trees, emit volatile organic compounds (BVOCs) such as isoprene and monoterpenes, which in several cases have been demonstrated to protect against thermal shock and more generally against oxidative stress. In this paper, we show the response of three strong isoprene emitter species, namely, Phragmites australis, Populus x euramericana, and Salix...
SCHMUTZ P., TARJAN J., GÜNTHARDT-GOERG M. S., MATYSSEK R. & BÜCHER J. B. 1995. Nitrogen dioxide a gaseous fertilizer of poplar trees. Phyton (Horn, Austria) 35 (2): 219-232, 4 figures. English with German summary. Cuttings of a poplar clone (Populus x euramericana 'Dorskamp') were exposed to filtered air and to filtered air with 80 to 135 nl I" NO2 added in climate chambers during 12 weeks. Thr...
Afforestation of agricultural lands has been one of the major land use changes in China in recent decades. To better understand the effect of such land use change on soil quality, we investigated selected soil physical, chemical and microbial properties (0-15 cm depth) in marginal agricultural land and a chronosequence of poplar (Populus euramericana cv. 'N3016') plantations (5-, 10-, 15- and 2...
Abstract Early above- and belowground biomass fractionation, root diameter composition allocation of cumulated fine length per total leaf area Populus clones have been measured for a pre-assessment the risk plantation establishment during spring drought conditions. Four × euramericana , one P. nigra maximowiczii clone (cv. Max 3), were planted in sandy mix substrate exposed to normal deficit wa...
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