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Another approach is to conduct studys with the wastewater,perhaps with nitrogen and phosphorous additions if  this is an indicated limitation,and with the same wastewater to which a suitable amount of a solution containing all normally required trace nutrients.
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Another approach is to conduct studys with the wastewater,perhaps with nitrogen and phosphorous additions if  this is an indicated limitation,and with the same wastewater to which a suitable amount of a solution containing all normally required trace nutrients.

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