Full RDF gave significantly higher economic benefit with B:C ratio 1.62.

fertilization · yield · Helianthus annuus (common sunflower)Positive and negative results

343 papers in the same direction as this claim · 18 in the opposite direction · 3 reporting no difference from an alternative

1. no effect
   Sunflower grain yield did not differ significantly among control, mineral, compost and mineral/compost fertilization (average 2.3 ± 0.3 Mg ha−1).

   Compost as a Substitute for Mineral N Fertilization? Effects on Crops, Soil and N Leaching · 2019 · compared with control

   Opposite direction

2. no effect
   Under drought, fertilizer did not significantly affect plant growth or flower number.

   Nutrient enrichment and rainfall affect plant phenology and floral resource availability for pollinators · 2023

   Opposite direction

3. no effect
   Neither the rate nor the method of fertiliser application affected sunflower seed yield over 4 seasons

   Marginal responses over six years by sorghum and sunflower to broadcast and banded phosphorus on a low P Vertisol, and changes in extractable soil phosphorus · 1991

   Opposite direction

4. no effect
   Exclusive compost addition did not decrease sunflower seed and fruit production.

   Physico-chemical, microbiological, agronomical, and phytopathological aspects in the recycling of olive waste composted residues. · 2009

   Opposite direction

5. negative
   Plots fertilized with 60 kg N/ha had the lowest stalk yield (3638 kg/ha).

   Effect of nitrogen and sulphur on growth, yield and quality of sunflower (Helianthus annuus l.) · 2013

   Opposite direction

6. negative
   Boron fertilization showed a nonsignificant trend toward lower sunflower yield than the check.

   Effects of sulfur, zinc, iron, copper, manganese, and boron applications on sunflower yield and plant nutrient concentration · 1985 · compared with check

   Opposite direction

7. no effect
   Mineral fertilization did not significantly affect achene production, which averaged 2561.58 kg ha-1.

   Organic and mineral fertilization determining the agronomic performance of sunflower cultivars and soil chemical attributes · 2023

   Opposite direction

8. no effect
   Fertilizer treatments did not significantly affect number of heads per ha or number of achenes per ha.

   Effect of Nitrogen, Boron, Zinc and Molybdenum Application on Yield of Sunflower (Helianthus annuus L.) on Greyic Phaeozem in the Czech Republic · 2015

   Opposite direction

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