How to sow Welsh onions? Detailed introduction to the sowing method
What diseases affect Welsh onions? How are they treated? Please advise. Welsh onions have the following diseases: for downy mildew, use 90% fosetyl-aluminium wettable powder at 400-500 times dilution, 75% chlorothalonil wettable powder at 600 times dilution, or 64% oxadixyl-mancozeb wettable powder at 500 times dilution for control, spraying once every 7-10 days, for 2-3 consecutive sprays....
How are Welsh onions sown? Please advise and introduceThe sowing method for Welsh onions is:
1. Sowing time: autumn sowing from mid-September to early October, spring sowing from mid-March to early April.
2. Method: water the seedbed thoroughly; after the water seeps in, scatter the seeds evenly over the bed surface, then cover with fine soil 0.8-1 cm deep.
3. Weed control: after sowing and before emergence, use 33% pendimethalin EC at 150 g per mu, mixed with 30-50 kg of water, and spray it over the bed surface.
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