Summer Maize Photosynthesis and Yield Data Under Drought and Nitrogen Treatments

A 3.5 MB PDF file published on figshare by Jinhui Xie on April 13, 2026, under a CC-BY-4.0 license. The dataset likely contains experimental results from a study on how nitrogen fertilizer modulates the effect of drought priming on summer maize. Measurements include photosynthetic parameters, antioxidant enzyme activities, nitrogen metabolism indicators, root morphology, and grain yield.

Use Cases

• Modeling the relationship between nitrogen application and photosynthetic efficiency (Fv/Fm, ΦPSII, Pn) under drought stress.
• Analyzing the synergistic effect of drought priming and fertilizer on antioxidant enzyme activities (SOD, POD, CAT).
• Predicting grain yield based on coordinated improvements in root architecture metrics (length density, surface area density).
• Investigating gene expression and enzyme activity (nitrate reductase) in nitrogen metabolism pathways under combined treatments.

Strengths

• Includes specific percentage increases for key physiological metrics (e.g., 16.2% grain yield advantage).
• Covers multiple interrelated plant systems: photosynthesis, antioxidant defense, nitrogen metabolism, and root morphology.
• Data is openly licensed (CC-BY-4.0) for reuse and redistribution.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The primary data format is PDF, which may require extraction to a structured format for analysis.

Provenance

Source

figshare

Collection Method

Experimental study on summer maize, likely involving controlled treatments of drought priming and nitrogen fertilizer.

Time Range

The study period is not specified in the provided metadata.

Freshness

Last updated 2026-04-13 04:35:36; freshness should be verified.

Geography

The geographic location of the study (e.g., arid areas) is implied but not explicitly stated.