Nitrogen-fixing bacterial communities differ between perennial agroecosystem crops
Kira Sorochkina,
Willm Martens-Habbena,
Catherine L Reardon
et al.
Abstract:Biocrusts, common in natural ecosystems, are specific assemblages of microorganisms at or on the soil surface with associated microorganisms extending into the top centimeter of soil. Agroecosystem biocrusts have similar rates of nitrogen (N) fixation as those in natural ecosystems, but it is unclear how agricultural management influences their composition and function. This study examined the total bacterial and diazotrophic communities of biocrusts in a citrus orchard and a vineyard that shared similar clima… Show more
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