On Fri, 17 May 2013 00:44:41 -0700 (PDT), Mitch Harmatz
<
mitch....@gmail.com> wrote in rec.aquaria.freshwater.misc:
>Food production globally is dependent on fertilizers. But in spite of all these, there are certain parts of the globe where there is nutrient deficiency and there is some where there is nutrient excess. Management of the minerals for the plants nutrient needs the careful usage of skill and science to meet specific goals of production, environment and social goals.
Would you mind restricing your line lenght to the Usenet-typical ~74
characters? Thank you.
For most people excessive water hardness in their aquarium is much more
a concern than lack of nurtrients. Therefore I cannot imagine anyone
deliberatley adding limestone except under very special circumstances.
jue