Where plankton suffers, so does the entire ocean food chain. When environmenmental conditions change, often triggered by too much of a nutrient—such as nitrogen or phosphorus from fertilizer ...

In synthetic fertilizers, the phosphorus is removed from the rock using acids, making the phosphorus more soluble and easier for plants to access. The challenge for organic farmers is to improve plant ...

Limnology and Oceanography, Vol. 58, No. 3 (2013), pp. 1075-1088 (14 pages) We investigated the factors influencing cyanobacterial biomass and microcystin (MC) concentrations in several Ugandan lakes ...