linkedin post 2015-11-14 05:47:33

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ARTIFICIAL FERTILIZERS. "In 1909 the Haber-Bosch method to synthesize ammonium nitrate was first demonstrated. NPK fertilizers stimulated the first concerns about industrial agriculture, due to concerns that they came with serious side effects such as soil compaction, soil erosion and declines in overall soil fertility, along with health concerns about toxic chemicals entering the food supply." https://lnkd.in/eFrnZiK View in LinkedIn
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linkedin post 2015-11-14 05:57:41

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LOCAL EXTINCTIONS. "The number of birds which have declined so much as to be locally extinct...1967-2011, the turtle dove declined in Britain by 95%, the grey partridge by 91%, the spotted flycatcher by 88%, the yellow wagtail by 73%...the tree sparrow by 95%; and so it goes on. In most of the country, they've simply vanished." https://lnkd.in/esig3Kt View in LinkedIn
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linkedin post 2015-11-14 06:04:22

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DECLINES. "It is exactly the same story with butterflies. There have been only three national extinctions in the post-war years..but since the butterfly recording schemes first started, nearly three-quarters of our fifty-eight remaining species have declined and disappeared over much of the country" (52-79%). https://lnkd.in/esig3Kt View in LinkedIn
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