Abstract
Novel manures (rabbit and black soldier fly) were compared with traditional amendments on soybean ( Glycine max L.) grown in low P soil in greenhouse experiments. Ground rabbit manure (GRM) had higher aboveground biomass and tissue P concentration than composted beef manure, anaerobic digestate, and monoammonium phosphate but similar to insect frass. Compared to the control, GRM and insect frass had higher arbuscular mycorrhizal fungal (AMF) colonization, 17% and 29% increase, respectively, in one experiment. GRM and insect frass demonstrated advantages in P supply associated with higher AMF.
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