Under conventional tillage, hybrid 8522-2 grain yield fell significantly to 3.25 t/ha at 100 kg N/ha compared with 50 kg N/ha.

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

278 papers in the same direction as this claim · 1,906 in the opposite direction

1. positive
   H1 produced more grain yield with urea than other nitrogen sources.

   Ramifications of different externally applied nitrogen sources on the physiology and yield of hybrid maize (Zea mays L.) · 2011 · compared with other sources of N

   Opposite directionCites this paper

2. positive
   High nitrogen rates increased corn yield 1.6-fold over unfertilized controls in medium textured soils.

   Corn Response to Nitrogen is Influenced by Soil Texture and Weather · 2012 · compared with unfertilized control

   Opposite direction

3. positive
   The variable yield goal zone strategy returned $18.21 to $29.57 per hectare more than uniform management.

   Economic Feasibility of Variable‐Rate Nitrogen Application Utilizing Site‐Specific Management Zones · 2004 · compared with uniform N management

   Opposite direction

4. positive
   Nitrogen deficiency decreased grain yield, especially in older maize hybrids.

   Effects of Nitrogen Deficiency on Photosynthetic Traits of Maize Hybrids Released in Different Years · 2005

   Opposite directionAbout lacking this nutrient, so it counts the other way round

5. positive
   The maximum agronomic yield of corn was obtained at 227 kg N ha1 in 1990.

   Field chlorophyll measurements for evaluation of corn nitrogen status¹ · 1992

   Opposite direction

6. positive
   Increasing fertilizer from 90 to 150 kg N ha−1 slightly increased corn yield.

   Nitrous oxide fluxes from corn fields: on‐farm assessment of the amount and timing of nitrogen fertilizer · 2009 · compared with 90

   Opposite direction

7. positive
   At R3, nitrogen increased grain yield in extremely N-deficient maize without restoring the maximum.

   Maize Response to Time of Nitrogen Application as Affected by Level of Nitrogen Deficiency · 2000

   Opposite direction

8. positive
   Withholding nitrogen from V8 to maturity reduced kernel yield by 22%.

   Nitrogen Uptake and Partitioning in Stay‐Green and Leafy Maize Hybrids · 2005

   Opposite directionAbout lacking this nutrient, so it counts the other way round

2,176 papers more in this group