نتایج جستجو برای: biological windbreak
تعداد نتایج: 463660 فیلتر نتایج به سال:
Farming families on the plains of Japan arrange small forest-like woodlands in their farmyards and villages; these are called “Yashikirin.” While Yashikirin have various functions, geographers interested windbreak function, conducted many studies. In recent studies, researchers consider conservation report that woodland use affects sustainability. On other hand, research normal forests analyzes...
in this study, a simple, rapid and selective method was developed for the determination of dexamethasone. the proposed method is based on inhibitory effect of dexamethasone on the oxidation of orange-g by bromate in sulfuric acid media. the reaction was followed spectrophotometrically at 478.5 nm (?max). under optimum experimental conditions, (72.6 ?mol l-1 of orange-g, 0.76 mol l-1 of h2so4, 0...
The cotton leafhopper (Jacobiasca lybica) is one of the polyphagous species and its control mainly based on chemical treatments, however bio-ecological parameters are still poorly understood especially under Moroccan conditions. In this work, population ecology planning insecticide treatments recorded degree-days (DD) in a citrus orchard vineyard separated by windbreak (WB) Cypress Acacia were ...
background spirulina is one of the most profitable known microalgae in the world, which is used as food and superfood. in the other hand, spirulina is a useful source of healthy components. it seems that the spirulina is transformable so that the introduction of a selectable marker is needed. objectives the purpose of this study was to determine a suitable selection marker for spirulina platens...
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