نتایج جستجو برای: phosphorous insecticides

تعداد نتایج: 17493  

Journal: :نشریه دانشکده فنی 0
مرتضی حسینیان

fifty percent of world argricultural production is destroyed by insects each year. therefore, enormous quantities of insecticides are consumed to control these pests. as an example, france is using 35000 metric tons insecticide every year. some of the methods used for spraying and applying insecticides tend to increase the pollution of natural waters . in this article different factors causing ...

Journal: :journal of crop protection 2015
zahra gholami amin sadeghi aziz sheikhi garjan javad nazemi rafi fatemeh gholami

this study was conducted to investigate commercial formulations of insecticides against western flower thrips, frankliniella occidentalis (pergande).the insects were collected from commercial greenhouses of cucumber in varamin, iran. the tested insecticides were diazinon (ec 60%), cypermethrin (ec 40%), fipronil (ec 2.5%), imidacloprid (sc 35%) and a botanical insecticide oxymatrine (kingbo, as...

Journal: :Biochimica et Biophysica Acta (BBA) - Bioenergetics 1997

2003
Suey-Sheng Kao

Toxicity of 17 commonly used insecticides used to control diamondback moth, Plutella xylostella (L.) was evaluated against adults of Cotesia plutellae Kurdjumov. The insecticide concentrations studied were equivalent to those recommended in the field. Adults of the parasitoid were released into exposure kits with fresh dry insecticide film for 24 hours, at which time mortalities were noted. The...

افیونی, مجید, برانگیزی, حوریه, رضایی, بهزاد ,

Antimony (Sb) pollution has increased in recent years because of human activities and extensive usage of antimony compounds. To date, only a few researches have been conducted in this field in Iran. The purpose of this research is to determine fresh and dry weight, root permeability percentage and root concentration of Sb, Fe and Zn in the corn. This greenhouse research was performed in hydropo...

Journal: :Scientific American 1881

Journal: :J. Chem. Soc., Trans. 1891

Journal: :J. Chem. Soc., Trans. 1890

Journal: :Japan journal of water pollution research 1988

Journal: :Physics and High Technology 2017

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید