| Title | Recycled nutrients as a phosphorus source for Canadian organic agriculture: a perspective |
|---|---|
| ID_Doc | 24469 |
| Authors | Nicksy, J; Entz, MH |
| Title | Recycled nutrients as a phosphorus source for Canadian organic agriculture: a perspective |
| Year | 2021 |
| Published | Canadian Journal Of Soil Science, 101, 4 |
| Abstract | The challenges associated with the global phosphorus (P) cycle are complex and multifaceted, from geological resource limitation, to P deficiency on arable farmland, to environmental contamination via excess P fertilization. Although no single solution can address all of the challenges associated with the P cycle, the principle of circularity provides a framework toward a more sustainable and food-secure P system. Phosphorus deficiency on farmland is widespread, particularly on organically managed farms due to negative P balances in low-input cropping systems. Recycled nutrient sources divert food and human wastes back onto farmland; they have the potential to ameliorate both the global-scale issues of phosphate rock depletion and environmental contamination and the farm-scale issue of P deficiency, particularly for organic farms. For recycled nutrients to act as viable alternatives to conventional nutrient sources, their ability to supply P and improve yields must be demonstrated. This paper provides an introduction to the importance of recycled fertilizer sources in the global P cycle, and the key role they can play on organic farmland in Canada. |
| https://cdnsciencepub.com/doi/pdf/10.1139/cjss-2021-0014 |
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