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Phytotoxicity describes any adverse effects on plant growth, physiology, or metabolism caused by a chemical substance, such as high levels of fertilizers, herbicides, heavy metals, or nanoparticles. [1] General phytotoxic effects include altered plant metabolism, growth inhibition, or plant death. [2]
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Both real and fictitious plants play a wide variety of roles in literature and film. [41] Plants' roles may be evil, as with the triffids , carnivorous plants with a whip-like poisonous sting as well as mobility provided by three foot-like appendages, from John Wyndham 's 1951 science fiction novel The Day of the Triffids , and subsequent films ...
Abiotic stress is the negative impact of non-living factors on the living organisms in a specific environment. [1] The non-living variable must influence the environment beyond its normal range of variation to adversely affect the population performance or individual physiology of the organism in a significant way.
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The human population exploits and depends on many animal and plant species for food, mainly through agriculture, but also by exploiting wild populations, notably of marine fish. [10] [11] [12] Livestock animals are raised for meat across the world; they include (2011) around 1.4 billion cattle, 1.2 billion sheep and 1 billion domestic pigs. [12 ...
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NO 3 − may also be denitrified by bacteria, producing N 2, NO x, and N 2 O. Estimated nitrogen surplus (the difference between inorganic and organic fertilizer application, atmospheric deposition, fixation and uptake by crops) for the year 2005 across Europe. Human impact on the nitrogen cycle is diverse.