Day: April 9, 2018
Greenhouse Gases (GHGs)
April 9, 2018Our concerns about current and future climate change are focused on global warming. “Greenhouse effect” and “global warming” are two terms that are often considered interchangeable, whereas they are not, since they refer to two different phenomena. The greenhouse effect is a natural phenomenon that keeps the global surface temperatures higher than they would be if it […]
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The Sulfur/Sulphur Cycle
April 9, 2018Like nitrogen and phosphorus, sulfur is an essential element of life. At the origin of the Earth, sulfur was contained in igneous rocks, mainly in pyrite (FeS2). Degassing of the earth’s crust and subsequent aerobic weathering transferred a large amount of sulfur to the ocean in the form of SO42- . When SO4 is assimilated by organisms, it is reduced […]
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Improve the soil of the Garden: Manures
April 9, 2018Enjoy the winter to feed the garden and the garden by bringing organic matter to form a humus. This bottom fertilization makes it possible to partially restore the elements taken from the soil during the previous season. Any crop causes depletion of the soil. This degradation must be compensated. Winter is the ideal time to improve the soil structure and […]
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