نتایج جستجو برای: chemical plant
تعداد نتایج: 747591 فیلتر نتایج به سال:
In order to use natural compounds in controlling plant pests and diseases, many researchers in recent years have studied the antifungal effects of essential oils and plant extracts. The purpose of this study was to investigate the chemical composition and antifungal effects of Echium khuzestanium and marubbium anisodan extracts. After extraction and preparation of di...
Plant litter is an important factor for soil conservation and sustainability that could modify soil chemical properties and increase the plant biomass production. The aim of this research was to compare plant litter chemical composition and its effects on soil properties in three species including Hordeum bulbosum, Poa bulbosa, Bromus tectorum. First, soil samples were taken in the depth of 0-3...
The macroscopic character of the whole plant, physical constant values, extractive values, behaviour on treatment with different chemical reagents. Fluorescence characters under uv light after treatment with different chemical reagents of the powdered whole plant of lonidium suffruticosam Ging (Family; violaceae) were studied to characterize some pharmacognostical parameters. Preliminary photoc...
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