Claim · model-written summary
Economic benefits significantly decreased below 150 or above 225 kg·ha−1 nitrogen.
Verbatim
e0“When the nitrogen application rate exceeds 225 kg·ha−1 or is lower than 150 kg·ha−1, the economic benefits significantly decrease.”
t0“Maize”
Title
Jinghong Ji; Shuangquan Liu; Xiaoyu Hao; et al. Plants 2025. doi:10.3390/plants14193087
Other claims from this paper (10)
- Association Maize yield rose and then stabilized as nitrogen fertilizer increased.
- Association Economic benefits rose and then declined as nitrogen rate increased.
- Intervention effect At 225 kg·ha−1 nitrogen, residual soil nitrate rose 2.1 times versus before sowing.
- Intervention effect At 300 kg·ha−1 nitrogen, residual soil nitrate rose 2.3 times versus before sowing.
- Association Nitrogen fertilizer utilization efficiency declined as nitrogen rate increased.
- Association Agronomic efficiency declined as nitrogen rate increased.
- Association Apparent nitrogen loss increased significantly with nitrogen rate.
- Association Nitrogen surplus increased significantly with nitrogen rate.
- Recommendation The suitable nitrogen application range in year one was 170.2 to 178.2 kg·ha−1.
- Recommendation The suitable nitrogen application range in year two was 150.0 to 171.3 kg·ha−1.