Barley had highest grain yield and quality at 350 seeds/m2 and 70 kg ha-1 N.

nitrogen · quality: general · Hordeum vulgare (barley)Positive and negative results

5 papers in the same direction as this claim · 1 in the opposite direction · 1 reporting no difference from an alternative

1. no effect
   Nitrogen fertilizer did not appreciably alter barley amino acid composition.

   RELATIONSHIP BETWEEN CRUDE PROTEIN CONTENT AND AMINO ACID COMPOSITION OF IRISH BARLEYS · 1967

   Opposite direction

2. no effect
   N application timing around irrigation showed no significant variation in yield and quality parameters.

   EFFECT OF METHOD OF SOWING AND NITROGEN APPLICATION METHOD ON YIELD AND QUALITY OF BARLEY (HORDEUM VULGARE) · 2014 · compared with before or after irrigation

   No difference from an alternative

3. positive
   The situation was similar for winter barley: N doses up to 120 kg.ha-1 were optimal for yields and quality.

   Influence of different organic mineral fertilization on the yield structure and on changes of soil properties · 2002

   Same direction

4. positive
   Quality parameters increased with nitrogen rate, with 150 kg N ha-1 highest except for sieve test.

   Yield Response and Barley Grain Quality to Nitrogen Fertilization in West Arsi Highland of Ethiopia · 2022

   Same direction

5. positive
   The highest tested nitrogen and sulfur rates maximized barley performance.

   Yield and malt quality of barley (Hordeum vulgare) impacted by nitrogen and sulphur application · 2022

   Same direction

6. positive
   Nitrogen root feeding increased feed quality.

   Grain quality of spring barley depending on the fertilization of plants with mineral nitrogen · 2021

   Same direction

7. positive
   The microbial preparations positively influenced productivity and quality of grain compared with control.

   THE INFLUENCE OF MICROBIAL PREPARATIONS ON PRODUCTIVITY OF GRAIN-CROPS IN NORTH STEPPE OF UKRAINE · 2012 · compared with control

   Same direction