نتایج جستجو برای: amygdalus
تعداد نتایج: 476 فیلتر نتایج به سال:
One of the effective steps for the sustainable forest development is the recognition of habitat condition and silvicultural characteristics of the rare species. Accordingly, this study investigated the aut ecology of Sorbus lorestanica as a rare species of Zagros. For this purpose, the exclusive natural habitat of Sorbus lorestanica in Lorestan province (Gahar rood protected area) was selected ...
Almond (Prunus amygdalus) orchard systems are highly productive and widespread in Mediterranean climates dominate the California agricultural landscape. However, current intensive monocultural bare soil production practices limit potential to support nonproduction functions (i.e., multifunctionality) long-term sustainability of system (Aizen et al. 2019; Fenster 2021). Managing orchards ...
Introduction: Allelopathy refers to the plants’ mutual biochemical effects. Despite their significant role in improving and restoring Iranian rangelands, the plants’ allelopathic effects on each other have often been neglected in rangeland seeding. Scholars argue that in stressful conditions of the arid areas caused by low precipitation, the effects of metabolic chemicals secreted by allelochem...
In this study, the physical properties (oven-dry density, basic volumetric shrinkage, and swelling) structural components (cellulose, lignin, extractives content) of three wild almond wood species from southwestern Iran, namely Amygdalus arabica, eburna, scoparia, were investigated. Wild is a valuable in Zagros forests but there lack data on their properties. Three adult trees each chosen, samp...
The transesterification of Amygdalus scoparia oil to biodiesel was performed and examined through the electrolysis method in presence KOH/Al2O3 as a heterogeneous catalyst at room temperature. A solid base prepared impregnation Al2O3 with KOH solution (concentration 25g 100 mL deionized water). analyzed using X-ray diffraction (XRD), scanning electron microscopy (SEM) Energy-dispersive spectros...
ساختمان تشریحی برگ پنج گونه به شرح زیر: amygdalus lycioides spach, a. scoparia spach, atraphaxis spinosa l., berberis vulgaris l., capparis spinosa l. از البرز جنوبی، منطقه تهران با استفاده از میکروسکوپ نوری و میکروسکوپ الکترونی مطالعه گردید. برگ در این گونه ها دارای صفات جالبی می باشد که نشان دهنده شرایط خشک است.
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