Measure what matters
Focus on the meaningful metrics for the questions and context being tackled for relevant results. Agree simple protocols for specific measures that can be easily replicated and shared.
BOFIN has had great success in co-designing "citiizen science" type measures that farmers can take but give real biological meaning for scientists, from counting slugs to shovelomics rooting measures.
In the YEN growers take soil, crop & samples at key times for lab analysis.