Reganold

Effects of Biodynamic Preparations on Compost Development.

Carpenter-Boggs, L., J. Reganold, A. Kennedy. 2000. Biol. Agric. Hortic. 17:313-328. The study showed that additions of herbal biodynamic preparations to compost piles resulted in consistently higher pile temperature during active composting, and higher nitrate levels and lower dehydrogenase:carbon dioxide release in mature compost samples, compared to the control.