Andrew McGuire
@agronomistag
Views of an agronomist on soil, farming, and science. Evidence-based agriculture. Washington State University Extension.
Cash crops, along with their well-managed residues, can match or even surpass the benefits of traditional cover crops. They effectively control erosion, scavenge nutrients, disrupt pest cycles, and enhance soil health. How? Biomass production. My latest: csanr.wsu.edu/cash-crops-and…
Though this was posted on Bluesky, it's probably of interest to a lot of farmers and agronomists on X/Twitter, too. …icro-journals.onlinelibrary.wiley.com/doi/10.1111/14…
Excited to share our latest work: “Termination strategies for high biomass cereal rye cover crop in soybean planting green systems” by @JacobFelsman et al. (2025) Combining roller-crimper with glyphosate was an effective strategy for terminating high-biomass cereal rye…
An interesting view of Groundswell. I've not attended, but this is how I imagined it.
To me, @Groundswellaguk was an elitist blob of antiscientific ideas that undermines what evidence-based regen ag could be. It normalises the neomalthusian idea that 'feeding the world' was wrong. Far from being progressive, Groundswell is very scary youtu.be/wM0PiX3psps
Think phosphorus gets “locked up” and wasted? Dan Kaiser with @UMNExt sets the record straight. From soil fixation myths to smart management practices, he shares what research really says about P availability. farmprogress.com/crops/debunkin…