Azotobacter and PSB seed treatment with nano urea at 4 ml/L gave superior number of tillers per m² of 373.67.

Azotobacter · yield · Avena sativa (oats)Results agree

4 papers in the same direction as this claim

1. positive
   FYM plus Azotobacter and PSB gave the highest height, shoots, leaf stem ratio and dry matter accumulation.

   Impact of different nutrient sources on forage yield, nutritive value and economics of sorghum sudan grass hybrid-Oat cropping system · 2020

   Same direction

2. positive
   The 100 per cent RDF plus biofertilizer treatment gave the highest green and dry fodder yields.

   EFFECT OF TILLAGE PRACTICES AND NUTRIENT MANAGEMENT ON YIELD AND ECONOMICS OF FODDER OAT · 2014

   Same direction

3. positive
   Azotobacter inoculation increased oat grain yield over uninoculated treatments.

   EFFICACY OF AZOTOBACTER INOCULATION UNDER GRADED DOSES OF NITROGEN FERTILIZER IN RELATION TO GROWTH, YIELD AND NITROGEN UTILIZATION EFFICIENCY OF OAT (Avena sativa L.) · 2000 · compared with uninoculated treatments

   Same direction

4. positive
   Azotobacter with 150 kg nitrogen produced the most tillers, 8.00, among treatments.

   Yield and quality of forage oat under the seed inoculation and nitrogen application · 2025 · compared with other treatments

   Same direction

phosphorus · yield · Avena sativa (oats)Results differ

22 papers in the same direction as this claim · 4 in the opposite direction

1. no effect
   Adding phosphorus and potassium had little effect on oat yields.

   Investigation of Small Grain Response to Various Applications of Nitrogen, Phosphorus, and Potassium on Several Kansas Soils · 1953

   Opposite direction

2. negative
   Superphosphate at 160 Ib. P2O5 per acre reduced grain yield.

   Studies on the uptake of phosphorus from ³²P‐labelled superphosphate by crops. I.—Oats · 1959

   Opposite direction

3. no effect
   Superphosphate application to high-P soil had no effect on oat crop yield.

   Effect of soil temperature and moisture on the uptake of phosphorus by oats · 1960

   Opposite direction

4. no effect
   Phosphate application timing had no consistent effect on oats dry matter production.

   Effect of Phosphate Source, Lime, and Time of Phosphate Application on Absorption of Applied Phosphorus by Plants · 1959

   Opposite direction

5. positive
   P application increased yield in two of six site years.

   The influence of nitrogen, phosphorus and potash fertilizer application on oat yield and quality · 2007

   Same direction

6. positive
   On Hartsells fine sandy loam, oat P yields ranked CSP < CSP + KCl ≤ CSP + NH 4 Cl ≤ CSP + NH 4 NO 3 < CSP + (NH 4 ) 2 SO 4 ≤ CSP + KNO 3 in the greenhouse.

   The Effect of Associated Salts on the Availability of Concentrated Superphosphate · 1958 · compared with CSP

   Same direction

7. positive
   Omitting P, K and Mg reduced crop yield by 28–41%.

   Long-term effect of balanced mineral fertilizer application on potato, winter rye, and oat yields; nutrient use efficiency; and soil fertility · 2010

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

8. positive
   Forage yield of oats responded markedly, increasing with applied P.

   The Influence of Soil Temperature and Phosphorus Fertilizers of Different Water‐Solubilities on the Yield and Phosphorus Uptake by Oats · 1964

   Same direction

18 papers more in this group

nanoparticle · yield · Avena sativa (oats)Positive and negative results

9 papers in the same direction as this claim · 1 in the opposite direction

1. negative
   Two foliar nano-urea sprays reduced green fodder yield by 20.7% relative to full recommended nitrogen.

   Effect of different sources of nitrogen on productivity, profitability and N useefficiency of fodder oat (Avena sativa) · 2024 · compared with 100% RDN

   Opposite direction

2. positive
   Combined potassium and nano-copper increased oat grain yield.

   POTASSIUM AND NANO-COPPER FERTILIZATION EFFECTS ON MORPHOLOGICAL AND PRODUCTION TRAITS OF OAT (AVENA SATIVA L.) · 2022

   Same direction

3. positive
   NanoSilicon leaf treatment increased oat yield by 2.6-5.4 c/ha.

   Combined use of microbiological preparations and Nano Silicon in oats cultivation · 2020

   Same direction

4. positive
   Presowing vermicompost and nanobiohumus suspensions increased biomass yield by 8 to 58.2%.

   INFLUENCE OF ORGANOMINERAL SUSPENSIONS AND ITS NANO-ANALOGUES ON THE STRUCTURAL ELEMENTS OF OAT CROP · 2019 · compared with other options

   Same direction

5. positive
   Mixture of cobalt and copper nanoparticles at 0.5 g per seed rate per hectare increases oat grain yield by 15.3% relative to control

   Morpho-physiological and productive indicators of oat under the influence of nanopowders of cobalt and copper trace elements · 2020 · compared with control

   Same direction

6. positive
   Nano-silicone spraying at 2 ml L-1 gave considerably higher number of tillers, panicles per m2 and biological yield than the other treatments.

   Effect of Spraying Nano-Silicon in some Growth and Yield Traits For Two Oats Cultivars · 2023 · compared with the other treatments

   Same direction

7. positive
   The combined treatment produced the most tillers at all three sampled dates.

   Impact of nano fertilizers on growth, yield and economics of fodder oats (Avena sativa L.) · 2025

   Same direction

8. positive
   75% RDN plus PGPR and nano urea raised green fodder yield 49.15% over control.

   Partial substitution of conventional nitrogen fertilizers with nano urea and plant growth-promoting rhizobacteria in fodder oats · 2025 · compared with control

   Same direction

2 papers more in this group