A 2009 / 2011 review found that biodynamically cultivated fields achieve lower absolute yields but better energy efficiency of production ; impact the environment positively, including increased biodiversity ; had greater earthworm populations and biomass than conventional farms ; maintained or slightly improved organic carbon levels, while both organic and conventional farming techniques resulted in a loss of organic carbon ; had higher microbial biomass carbon and dehydrogenase activity than those of either organically or conventionally farmed fields.

A 2009 / 2011 review found that biodynamically cultivated fields:

0.004 seconds.