more benign products. Photoremediation is also used in a process where light
is used to break down toxins. Topsoil from other areas might also be brought
in to recreate a soil system that can support plant life, helping to stabilize
disturbed soil.
(f) Maximum 1 point total: 1 point for describing the alternative strategy.
Describe ONE alternative strategy that might reduce the need for phosphorus
mining.
Credit can be earned for describing any strategies that reduce the
demand/need for phosphorus fertilizers. This can include suggesting
alternatives such as organic fertilizer substitutes; the use of sustainable
farming practices, such as crop rotation that utilizes other crops; natural
replenishment (through composting or something similar); or using crops that
demand less phosphorus (genetically modified crops are acceptable).
Question