The cover letter is the editor's first scope check. Because FCR has a strict scope boundary, the letter's job is to show — in a few sentences — that the paper is field-based, multi-environment, on a field crop, and generally significant, and to name the novel contribution clearly. A vague letter invites a fast desk rejection.
Dear Editors-in-Chief,
We submit "[Title]" for consideration as an [article type] in Field Crops Research.
[Scope + contribution: field-based study across N seasons and M environments on
<field crop>; the novel finding is ___, quantified as ___; it matters generally
because ___.]
The work is original and not under consideration elsewhere; all authors approve
submission. Data availability: [shared in <repository> / restricted because ___].
[We did/did not use generative-AI tools, disclosed in the manuscript.]
[Optional: suggested reviewers / conflicts.]
Sincerely, [Corresponding author, affiliation, contact]
The editor's eye lands on one paragraph: does it clear the gate? Each row pairs a vague opener with one that pre-clears the scope screen.
| Weak | Scope-clearing rewrite (illustrative) |
|---|---|
| "We studied nitrogen on wheat." | "Across 2 seasons and 5 environments, we quantify how N-use efficiency of wheat cultivars varies with N supply." |
| "This is the first such study in our area." | "We resolve a contested mechanism — whether deficit irrigation raises WUE — across a vapour-pressure-deficit gradient." |
Illustrative. Draft 1 of a maize-MET letter paraphrases the abstract and never names the article type or environment spread — a letter the editor cannot scope-check. The repaired opening names it an Original Research Paper, states the work is field-based across 2 seasons × 4 environments on maize, gives the headline result (a 0.9 t ha⁻¹ environment-conditional advantage), and confirms originality, data availability, and AI disclosure — letting the editor tick every scope box at once.
Treat this skill as an executable review pass, not a prose hint. First lock the crop system, environment structure, GxE logic, and yield or physiology endpoint; then judge whether the current manuscript answers the venue's real reader: agronomy reviewers who expect field-based, multi-environment evidence and crop-level general significance.
claim / evidence / risk / manuscript location rows, so the next agent can edit rather than rediscover the issue.resources/official-source-map.md has been checked for upload-week rules and the manuscript has one concrete fix for the largest venue-specific risk.【Article type】named? [Y/N]
【Scope fit stated】field-based + ≥2 seasons/envs + field crop + general? [Y/N]
【Contribution】novel insight + headline quantitative result stated? [Y/N]
【Declarations】originality + data availability + AI disclosure? [Y/N]
【Length/tone】~1 page, specific, no hype? [Y/N]
【Next】fcr-review-process
../../resources/official-source-map.md — scope boundary, article types, and submission expectations