See This too https://techairmartblog.wordpress.com/2016/03/14/people-make-a-big-deal-about-planting-trees-growing-diatoms-in-lakes-and-ponds-is-more-beneficial-and-easier-too-if-nano-scale-nutrient-is-used/

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See This too
https://techairmartblog.wordpress.com/2016/03/14/people-make-a-big-deal-about-planting-trees-growing-diatoms-in-lakes-and-ponds-is-more-beneficial-and-easier-too-if-nano-scale-nutrient-is-used/