Maize grain yield was maximized at 9.75 pl m-2 with a 270-360 kg ha-1 N rate in Shandong, China.

nitrogen · yield · Zea mays (maize)Positive and negative results

1,905 papers in the same direction as this claim · 234 in the opposite direction · 45 reporting no difference from an alternative

1. no effect
   75% ETc deficit irrigation with BCRF at 80% nitrogen rate did not significantly reduce summer maize grain yield.

   Nitrogen reduction combined with ETc irrigation maintained summer maize yield and increased water and nitrogen use efficiency · 2023

   Opposite directionCites this paper

2. positive
   Increasing N rate significantly increased dry matter accumulation, grain yield and LAI.

   Increased plant density and reduced N rate lead to more grain yield and higher resource utilization in summer maize · 2016

   Same directionCited by this paper

3. positive
   Increasing N input and planting density enhanced dry matter accumulation of summer maize.

   Optimizing planting density and nitrogen application to enhance profit and nitrogen use of summer maize in Huanghuaihai region of China · 2022

   Same directionCites this paper

4. positive
   Increasing nitrogen fertilization from 0 to 200 kg N ha−1 increased maize grain yield.

   Effects of Zeolite Application and Inorganic Nitrogen Fertilization on Growth, Productivity, and Nitrogen and Water Use Efficiency of Maize (Zea mays L.) Cultivated Under Mediterranean Conditions · 2025 · compared with 0

   Same directionCites this paper

5. positive
   Nitrogen application significantly increased 100-grain weight.

   Effect of irrigation and nitrogen on milk line development in maize seed · 2015 · compared with no nitrogen application treatment

   Same directionCited by this paper

6. positive
   Nitrogen input significantly increased grain yield.

   Optimal Nitrogen Accumulation and Remobilization Can Synergistically Improve Maize Yield and Nitrogen-Use Efficiency Under Low-Nitrogen Conditions · 2025

   Same directionCites this paper

7. negative
   Low nitrogen decreased maize grain yield.

   Within-Leaf Nitrogen Allocation in Adaptation to Low Nitrogen Supply in Maize during Grain-Filling Stage · 2016

   Opposite direction

8. no effect
   Nitrogen timing did not affect corn production in the other two years.

   Corn Production as Affected by Nitrogen Application Timing and Tillage · 2004

   Opposite direction

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