Effect of pesticides on soil microorganisms
نویسندگان
چکیده
منابع مشابه
effect of oral presentation on development of l2 learners grammar
this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...
15 صفحه اولThe Effect of Crop Protection Chemicals on Soil-Dwelling Microorganisms
Microorganisms are an important component of the soil environment, and they play a key role in the decomposition of organic matter, the circulation of elements in the natural environment and the preservation of soil fertility. Microbes enhance the overall health of plants. In the rhizoplane, ectorhizosphere and endorhizosphere, high populations of microbes dwell around plant roots which secrete...
متن کاملEffect of Different Detergent Concentrations on the Soil Microorganisms Number
As poorly bio-degradable substances chemical in nature, detergents may be discharged into watercourses and arable land areas uncontrollably and so have adverse ecological and economic effect on the biological production of such ecosystems. The researches to determine permissible chemical load limits in the environment are believed to be of an outstanding importance. The paper was aimed at study...
متن کاملthe effect of explicit teaching of metacognitive vocabulary learning strategies on recall and retention of idioms
چکیده ندارد.
15 صفحه اولEffect of Cadmium, Copper and Zinc on Plants, Soil Microorganisms and Soil Enzymes *
Heavy metals when present in amounts equal to the geochemical background do not interfere with the soil metabolism, which is associated with the growth and development of soil microorganisms as well as the processes of synthesis and re-synthesis, governed by intraand extracellular enzymes. In the said concentrations, heavy metals do not cause undesirable changes in the development of plants. On...
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ژورنال
عنوان ژورنال: Journal of Physics: Conference Series
سال: 2019
ISSN: 1742-6588,1742-6596
DOI: 10.1088/1742-6596/1294/7/072007