Calcium Oxalate Traces From 25-Million-Year-Old Leaves Rewrite Plant Evolution
Fossils are time capsules, preserving snapshots of ancient life. For paleobotanists, fossil leaves are especially valuable, revealing clues about plant…
Nutrient stress refers to the adverse effects on plants when they experience deficiency, toxicity, or imbalance of essential macro and micronutrients. These nutrients—such as nitrogen (N), phosphorus (P), potassium (K), iron (Fe), and zinc (Zn)—play crucial roles in plant growth, photosynthesis, and disease resistance.

Fossils are time capsules, preserving snapshots of ancient life. For paleobotanists, fossil leaves are especially valuable, revealing clues about plant…

Tomatoes are a vital crop worldwide, but growing them in salty soil or water poses significant challenges. Calcium (Ca²⁺) is…