1. State the problem before the method
Reviewers and readers need to know why your study matters before they care how you did it. Open with the gap in knowledge or the practical problem your research addresses.
2. Lead with your most important finding
Don't save your best result for the end — an abstract isn't a mystery novel. Say what you found early, then support it with the numbers that back it up.
3. Use specific numbers, not vague claims
"Significantly increased yield" tells a reader much less than "increased grain yield by 18% under saline conditions." Specific figures make your abstract more citable and more credible.
4. Avoid undefined abbreviations
Your abstract is often read in isolation, outside the context of your full paper. Spell out any abbreviation the first time it appears, even ones that feel obvious to you.
5. Write it last, and cut ruthlessly
The clearest abstracts are usually written after the paper is finished, then trimmed hard against the journal's word limit. If a sentence doesn't help someone decide whether to read further, cut it.