How many papers support this gap analysis?

3 papers from our local library contribute to this synthesis, with an average publication year of 2025.

Can I get a manuscript addressing this gap reviewed here?

Yes — AI Review runs 8 specialised agents over the full PDF and returns a structured editorial report in one pass, for 30 credits. Start at /review. An open-access publication route is in preparation and is not open for submissions yet.

agriculture3 papersavg year 2025weak evidence

The optimal nitrogen thresholds under different

Research gap analysis derived from 3 agriculture papers in our local library.

The gap

The optimal nitrogen thresholds under different irrigation levels are not well understood. The interactive effects of water and nitrogen on tomato photosynthetic physiological characteristics are not well understood.

Evidence profile

Sourced from the abstract and stated research gap of the source papers, classified as general, drawn from work published between 2024 and 2026, spanning 3 journals. Those papers have been cited 11 times in total.

Research trend

Established — well-defined area with open sub-problems.

Supporting evidence — 3 representative gaps

Optimal Irrigation and Fertilization Enhanced Tomato Yield and Water and Nitrogen Productivities by Increasing Rhizosphere Microbial Nitrogen Fixation (2024) · Agronomy · cited 11× · doi
Irrigation and nitrogen application rates have significant effects on greenhouse tomato yields, as well as water and nitrogen use efficiencies, but little is known regarding how these rates affect plant–microbiome interactions and how the associated changes might impact tomato yields.
generalabstract
Keywords: nitrogen rates tomato yields irrigation application significant effects greenhouse well water efficiencies little known regarding
Reduced irrigation decreases the optimal nitrogen threshold of greenhouse tomatoes by altering gas exchange and stomatal morphology (2026) · Frontiers in Plant Science · doi
The optimal nitrogen thresholds under different irrigation levels are not well understood. The interactive effects of water and nitrogen on tomato photosynthetic physiological characteristics are not well understood.
generalstated research gapevidence 5/5
Keywords: optimal nitrogen thresholds different irrigation levels well understood
Synergistic effects of Arbuscular mycorrhizal fungi and silicon on greenhouse tomato under drought stress across irrigation regimes (2026) · Scientific Reports · doi
The combined effects of AMF and Si under different irrigation regimes in greenhouse tomato remain insufficiently quantified. There is a need to evaluate the effects of AMF inoculation and Si application on yield, fruit quality parameters, and leaf nutrient composition.
generalstated research gapevidence 5/5
Keywords: combined effects amf different irrigation regimes greenhouse tomato

Questions about this gap

Explore this gap further

Run this gap as a query across open scholarly engines for the latest related literature.

Find research gaps on this topic →Google Scholar ↗Semantic Scholar ↗OpenAlex ↗Europe PMC ↗CORE ↗

Working on this gap? Review it with us.

Science AI Journal reviews manuscripts in one pass with 8 specialised AI agents calibrated on 69,000+ real peer reviews.

Run an AI review Run a pre-submission check

Tools for your next paper

Pre-CheckIs your paper ready? A Tier 1–5 acceptance probability in seconds.Journal FinderA ranked shortlist of target journals from a 17,500-venue index.Duplicate Publication CheckerCheck prior-publication & salami-slicing risk across 8 sources.Citation GeneratorFreeA DOI or title → APA, MLA, Vancouver, Chicago, BibTeX, RIS. No signup.Graphical Abstract MakerFreeTurn your findings into a colorblind-safe graphical abstract.AI Review8 specialist agents return an editor-ready review of your full PDF.

Compare the category — Honest roundups of the AI research tools, ours listed alongside the alternatives.