نتایج جستجو برای: five sampling times april
تعداد نتایج: 967563 فیلتر نتایج به سال:
Butterflies and moths are found in all terrestrial environments and require efforts for a better understanding of its mega-diversity. These taxa have been the subject of several studies involving phylogeny, ecology and environmental impacts. Nevertheless, several areas in the tropics remain unexplored, resulting in gaps in the taxonomic composition and distribution of butterflies in endemic env...
This paper compares the energy efficiency and environmental impact of solar collectors versus individual furnaces for purpose heating sanitary water in a five-person household. The heat calculation results from are proposed, along with necessary number aforementioned household Niš month by month. amount lignite needed to calculate thermal power is shown, calculations' mass value pollutants rele...
Selective grazing of burned patches can be intense if animal distribution is not controlled and may compound the independent effects of fire and grazing on soil characteristics. Our objectives were to quantify the effects of patch burning and grazing on wind erosion, soil water content, and soil temperature in sand sagebrush (Artemisia filifolia Torr.) mixed prairie. We selected 24, 4-ha plots ...
The Asian citrus psyllid (ACP), Diaphorina citri Kuwayama is a key pest of citrus due to its role as vector of citrus greening disease or "huanglongbing." ACP monitoring is considered an indispensable tool for management of vector and disease. In the present study, datasets collected between 2009 and 2013 from 245 citrus blocks were used to evaluate precision, sensitivity for detection, and eff...
in order to evaluation of rice stem borer's damage (chilo suppressalis walker), on rice cultivars an experiment was carried out by two factors, (three cultivars and five spraying times), in completed randomized block design an factorial sampling was conducted on the hills infested to deadhearts (d.h), whiteheads (w.h) and yield loss. five hills were randomly selected from each plot and...
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