To fix or not to fix: controls on free-living nitrogen fixation in the rhizosphere

DN Smercina, SE Evans, ML Friesen… - Applied and …, 2019 - Am Soc Microbiol
Free-living nitrogen fixation (FLNF) in the rhizosphere, or N fixation by heterotrophic bacteria
living on/near root surfaces, is ubiquitous and a significant source of N in some terrestrial …

Root exudates shift how N mineralization and N fixation contribute to the plant-available N supply in low fertility soils

Y Liu, SE Evans, ML Friesen, LK Tiemann - Soil Biology and Biochemistry, 2022 - Elsevier
Nitrogen (N) availability is a primary constraint to plant productivity, especially in marginal
lands with inherently low fertility. Root exudates change with plant nutrient status, and are …

The switchgrass microbiome: a review of structure, function, and taxonomic distribution

R Hestrin, MR Lee, BK Whitaker… - Phytobiomes …, 2021 - Am Phytopath Society
Switchgrass (Panicum virgatum L.) has been championed as a promising bioenergy crop
due to its high productivity across a wide environmental range. The switchgrass microbiome …

Microbial extracellular polysaccharide production and aggregate stability controlled by switchgrass (Panicum virgatum) root biomass and soil water potential

Y Sher, NR Baker, D Herman, C Fossum, L Hale… - Soil Biology and …, 2020 - Elsevier
Deep-rooting perennial grasses are promising feedstocks for biofuel production, especially
in marginal soils lacking organic material, nutrients, and/or that experience significant water …

Diversity and structure of diazotrophic communities in mangrove rhizosphere, revealed by high-throughput sequencing

Y Zhang, Q Yang, J Ling, JD Van Nostrand… - Frontiers in …, 2017 - frontiersin.org
Diazotrophic communities make an essential contribution to the productivity through
providing new nitrogen. However, knowledge of the roles that both mangrove tree species …

Unprecedented bacterial community richness in soybean nodules vary with cultivar and water status

H Sharaf, RR Rodrigues, J Moon, B Zhang, K Mills… - Microbiome, 2019 - Springer
Abstract Background Soybean (Glycine max) and other legumes are key crops grown
around the world, providing protein and nutrients to a growing population, in a way that is …

Intraspecific variability in root traits and edaphic conditions influence soil microbiomes across 12 switchgrass cultivars

TC Ulbrich, ML Friesen, SS Roley… - Phytobiomes …, 2021 - Am Phytopath Society
Microbial communities help plants access nutrients and tolerate stress. Some microbiomes
are specific to plant genotypes and, therefore, may contribute to intraspecific differences in …

Associative nitrogen fixation linked with three perennial bioenergy grasses in field and greenhouse experiments

JJ Wewalwela, Y Tian, JR Donaldson… - GCB …, 2020 - Wiley Online Library
Abstract Associative nitrogen (N2)‐fixation (ANF) by bacteria in the root‐zone of perennial
bioenergy grasses has the potential to replace or supplement N fertilizer and support …

A preview of perennial grain agriculture: knowledge gain from biotic interactions in natural and agricultural ecosystems

F Rasche, E Blagodatskaya, C Emmerling, R Belz… - …, 2017 - Wiley Online Library
Compared to their annual analogues, perennial grain cropping systems provide various
beneficial attributes for the environment and ecosystem services related to resource use …

Nitrogen fixation and resorption efficiency differences among twelve upland and lowland switchgrass cultivars

SS Roley, TC Ulbrich, GP Robertson - Phytobiomes Journal, 2021 - Am Phytopath Society
In nitrogen (N)-limited terrestrial ecosystems, plants employ various strategies to acquire
and conserve N, including translocation of N in perennial tissues and stimulation of N …