Allen Articles
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Aftermath of the Long-Term Application of Sludge and Water from a Sewage Treatment Plant to a Lemon Tree (Citrus limon) Plantation
The effect of sewage sludge application to agricultural soils in industrial countries (Raven and Loeppert 1997; Towers and Horne 1997) and that of the treated domestic and industrial effluents on plants (Hooda et al. 1997; Logan et al. 1997; Palacios et al. 1999; Samaras and Kallianou 2000, Weir and Allen 1997) have been ...
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Wood pellets industry in Australia
The biomass energy business is active in Australia. It develops rapidly to keep up with Europe and America. But biomass fuel advocates claims that Australia lacks strategy and policy to take full advantages of the biomass resources. Earlier this year, a essay published by Queensland University of Technology point out that support policy has driven continuous development of biomass fuel in America ...
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Alkaline soil, sensible sensor
Field sensor quickly, accurately identifies soil issues Producers sometimes face challenges that go deep into the soil. They need answers to help the soil, on site. A portable field sensor can accurately measure minerals in soils more easily and efficiently than existing methods. And a research team, including a middle school student and her scientist father, can confirm it. Calcium, like other ...
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Gas Sensing for Optimal Marijuana Medical Use Crop Growth
Following the legalisation of marijuana sale for medical use in 33 US states1 and Canada,2 marijuana sales have become big business. It is estimated that in 2020 US retail sales of marijuana will continue their rapid growth, from $15. 7 billion to $19 billion3 with suppliers struggling to keep up with demand. In Colorado alone, legal demand for medical use marijuana was exceeding 100 metric tons ...
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Gas Sensing for Optimal Marijuana Medical Use Crop Growth
Following the legalisation of marijuana sale for medical use in 33 US states1 and Canada,2 marijuana sales have become big business. It is estimated that in 2020 US retail sales of marijuana will continue their rapid growth, from $15. 7 billion to $19 billion3 with suppliers struggling to keep up with demand. In Colorado alone, legal demand for medical use marijuana was exceeding 100 metric ...
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Nature and humans, together again
Humans have been “framed out of the picture” when it comes to documenting nature, says Conservation International executive vice president and senior scientist M. Sanjayan in the opening of a new series, “EARTH A New Wild,” which premiers Feb. 4 on PBS. Sanjayan and producer David Allen — “probably the finest natural history filmmaker out there today,” ...
By Ensia
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