Nutrients can be replaced by returning to the soil, plant, animal or human waste, such as sewage sludge, or by adding mineral fertilisers.
(Nutrients; can be replaced; by returning to the soil, plant, animal or human waste, such as sewage sludge, or by adding mineral fertilisers) (Nutrients; by returning; to the soil, plant, animal or human waste, such as sewage sludge, or by adding mineral fertilisers)
Nutrients Nutrients
can be replaced by returning
by returning to the soil, plant, animal or human waste, such as sewage sludge, or by adding mineral fertilisers
to the soil, plant, animal or human waste, such as sewage sludge, or by adding mineral fertilisers