Researchers looking into effective ways of adding phosphorus (P) to increase soil fertility have saved organic farmers a lot of time and money. In a recent paper in the Canadian Journal of Soil ...

Rabbit pellets are next on the list of weird things you can add to your garden soil, as they are a valuable source of manure. Not only do they contain phosphorus and nitrogen, essential minerals ...

For natural farming systems, where soil analysis revealed high levels of available phosphorus and no deficiencies in micronutrients, the use of chemical fertilisers is being discouraged.