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Producing sufficient and proper food for the global population in 2050 will probably require 40% less phosphate than was previously assumed, which means that the phosphate supply will last longer than expected. This is the conclusion of research carried out by Wageningen University, part of Wageningen UR, and published in the scientific magazine Proceedings of the National Academy of Sciences (see abstract). For the first time the scientists used computer models capable of taking into account the amount of phosphate left behind in the soil after harvesting a fertilised crop. This enabled a more precise calculation of the required quantity of phosphate, particularly for land on which more phosphate than necessary has been used for years on end.
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Scource: Wageningen UR
    21-09-2012 22:33