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 ...

But, the potent formulas can also cause problems if you use too much or add it to soil that doesn't need it. So, if your plants are showing signs of phosphorus deficiency, get your soil tested.

Only recently has organic phosphorus come to the forefront ... The end product works by adding enzymes to the soil, but we aren’t reliant on a microbe to survive in the package and then combine ...

If you add beneficial fungus and bacteria, you may not need to have the worms. Something like H-Start or EPSI would be a good ...

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.