Oxyfluorfen before planting plus one hand weeding gave the highest marketable bulb yield of onion, 19.19 t/ha.

herbicide · quality: postharvest · Allium cepa (onion)Positive and negative results

6 papers in the same direction as this claim · 2 in the opposite direction

1. no effect
   Bulb weight loss, black mould and sprouting were generally unaffected by weed management and fertilizer levels.

   Performance of onion under weed and fertilizer management · 2012

   Opposite direction

2. negative
   Weed control treatment significantly decreased average onion bulb weight, marketable yield, and culls yield in both seasons.

   Yield, Quality and Economic Evaluation for Onion grown at Different Densities under Weed Control Treatments · 2020

   Opposite direction

3. positive
   Weed-free plots gave the maximum number of marketable bulbs per hectare and marketable bulb yield in kharif onion, followed by pendimethalin 1.5 kg/ha.

   Weed Control in Kharif Onion (Allium Cepa L.) · 1997 · compared with pendimethalin 1.5 kg/ha

   Same direction

4. positive
   Weed-free treatment had the highest bulb weight, plant height, marketable bulb and total bulb yield, at par with the stated herbicide treatments.

   Weed management in onion · 2016 · compared with oxyflurofen at 0.30 kg/ha before planting fb one hand weeding of 40–60 days after transplanting

   Same direction

5. positive
   Weeding at 6 weeks after transplanting was better than the other weeding periods for cured bulb weight, cured bulb yield and proportion of marketable bulbs.

   Response of Onion(Allium cepa L.) to Nutrient Sources and Weeding Regimes in Sudan Savannah · 2009 · compared with the other periods

   Same direction

6. positive
   Treatment T3 (herbicide combination) had the minimum weight loss of onion bulbs in storage, at 19.19%

   Assessment of post harvest losses in different treatments of onion (Allium cepa l.) Bulbs during storage at room condition · 2015

   Same direction

7. positive
   Herbicide treatments increased marketable onion yield significantly compared with the weedy check and hand weeded plot.

   Effect of Cycloxydim Herbicide for Control of Grassy Weeds in Onion · 2018 · compared with weedy check and hand weeded plot

   Same direction

8. positive
   Weed-free treatment gave the maximum marketable bulb yield of 189.39 q ha-1

   Effects of weed management techniques on yield and yield-related characteristics on rabi season onion (Allium cepa L.) cv. N-53 · 2024

   Same direction

transplanting · quality: postharvest · Allium cepa (onion)Results agree

14 papers in the same direction as this claim

1. positive
   The best transplanted-onion strategies raised marketable yield by 96%.

   Mechanical In-Row Weed Control in Transplanted and Direct-Sown Bulb Onions · 2008 · compared with direct-sown onions

   Same direction

2. positive
   Eight-week-old transplants with 138 kg P2O5 ha-1 gave the highest marketable bulb yield, 48.33 t ha-1.

   Effects of seedling age and rates of phosphorus fertilizer on growth and yield performance of onion (Allium cepa L.) under irrigation at Alage, Central Rift Valley of Ethiopia · 2018

   Same direction

3. positive
   In onion, foliar SA sprays at 30 days after sowing, 30 days after transplanting and 45 days after transplanting gave a marketable yield of 39.22 t/ha against 31.81 t/ha in the untreated control.

   Influence of Salicylic Acid on Growth and Bulb Yield of Onion (Allium cepa L.) · 2017 · compared with untreated control

   Same direction

4. positive
   Transplanting method gave higher total and marketable onion yield than the other sowing methods.

   EFFECT OF DIFFERENT SOWING METHODS ON YIELD AND BULB CHARACTERISTICS IN ONION (ALLIUM CEPA L.) · 2001 · compared with than the other methods

   Same direction

5. positive
   Split potassium application increased marketable bulb yield over full application at transplanting.

   Effect of Potassium Levels, Sources and Time of Application on Storage Life of Onion (Allium cepa L.) · 2018 · compared with 100 per cent potassium at transplanting

   Same direction

6. positive
   Transplanting 160 plants/m2 on November 15 produced the highest marketable and exportable bulb yields.

   EFFECT OF TRANSPLANTING DATE AND PLANTING DENSITY ON BULB YIELD AND QUALITY OF GIZA 20 ONION IN UPPER EGYPT · 1997

   Same direction

7. positive
   Transplanting on 22 August gave the maximum marketable yield (321.63 q/ha).

   Effect of Transplanting Dates and PGRs on Growth and Yield of Kharif Onion(Allium cepa L.) under Bihar Region · 2019 · compared with 21st July, 6th August

   Same direction

8. positive
   Onion fertilized with P at 60 kg.ha-1 and transplanted at 56 days had the highest marketable bulb yield.

   Maximizing Bulb Yield and Quality of Onion (Allium Cepa L.) Through Agronomic Management of Phosphorus Fertilizer and Transplanting Date Under Irrigation in Alaba, Ethiopia. · 2022

   Same direction

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