Combined NPK and organic manures significantly improved almost all carrot growth and yield attributes.

fertilization · yield · Daucus carota (carrot)Results differ

107 papers in the same direction as this claim · 11 in the opposite direction · 2 reporting no difference from an alternative

1. positive
   Combined slow-release fertilizer and ammonium phosphate, and conventional fertilization, produced the largest yields.

   Assessment of the Efficiency of Nitrogen Slow-Release Fertilizers in Integrated Production of Carrot Depending on Fertilization Strategy · 2020

   Same directionCited by this paper

2. positive
   NPK fertilizer produced the highest yield, 10.94 tons ha-1.

   Evaluating the response of different synthetic and organic fertilizers on carrot vegetative and reproductive characteristics in Gothgaun, Nepal · 2024

   Same directionCites this paper

3. positive
   Chicken manure at 10 t ha−1 produced the best carrot yield.

   Chicken manure, chemical fertilizer and their combination affect yield and post-harvest shelf-life of carrot (Daucus carota L.) · 2025

   Same directionCites this paper

4. positive
   The stated vermicompost, cow dung and inorganic fertilizer combination produced highest gross yield.

   Optimization of organic and inorganic fertilizers on growth and yield of carrot (Daucus carota L.) · 2025

   Same directionCites this paper

5. no effect
   Iodine and selenium fertilization had no negative effect on carrot yield.

   Biofortification of Carrot (Daucus carota L.) with Iodine and Selenium in a Field Experiment · 2016

   Opposite direction

6. negative
   Vegetable yields under compost treatments were lower than under mineral fertilizers during the first two years.

   Enhanced Food Quality: Effects of Composts on the Quality of Plant Foods · 1993 · compared with mineral fertilizers

   Opposite direction

7. no effect
   Carrot yields were similar with and without nitrogen fertilizer, and band placement and rate did not affect carrot growth or nitrogen uptake.

   Effects of band placement and nitrogen rate on dry matter accumulation, yield and nitrogen uptake of cabbage, carrot and onion · 1999 · compared with without N fertilizers

   Opposite direction

8. no effect
   Neither lime nor phosphorus residues affected carrot yield.

   Effects of residues of lime and phosphorus fertilizer on cadmium uptake and yield of potatoes and carrots · 1997

   Opposite direction

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