Taian
China
Shandong Agricultural University
Cadmium, Maize, Root, Cd uptake, Ionic homeostasis, Ultrastructure
Nitrogen rate, Deep Nitrogen fertilizer application, Maize, Photosynthetic characteristics, Nitrogen absorption and translocation
Maize, Sustainability, Grain yield, Nitrogen use efficiency, Tradeoffs
Soil moisture, Root characteristics, K/Na ratio, Proline, Photosynthesis, Senescence
grain yield, nitrogen use efficiency, Energy use efficiency, Greenhouse gas emission intensity, sustainability