Comfrey Mulch Enriches Soil, But Does Not Improve an Indicator Crop within One Season
Mia. M. Howard, Alena A. Plotkin, Amelia R. McClure, Vanja Klepac-Ceraj, Alden B. Griffith, Daniel J. Brabander & Kristina N. Jones · International Journal of Plant & Soil Science · 2018
Comfrey (Symphytum spp.) is thought to accumulate plant nutrients such as potassium (K) in its leaves and is consequently used widely as a green mulch. We sought to investigate the efficacy of comfrey as a soil amendment by measuring its nutritional composition and the effects o...
Open access
Research Article
10.9734/IJPSS/2018/40403