How to sow onion seeds on seed bed efficiently ?
Demand for Seedling Bed
Onion seeds are small and cotyledon is not easy to be unearthed when germination. Besides Seedling growth is slow. So the Seeding Bed used for onion seedling cultivation requires flat surface, no large soil blocks, fertile, and strong water retention. Before sowing, the ground should be carefully prepared and base fertilizer applied.
After opening the box for the furrow, fertilize the Seeding Bed with 20~30 load of fermented pig and cow dung each mu, and then evenly sowing.
How to choose Onion Seeds
Onion Seeds should germinate well, be free of mold or spoilage, and not be old. The dry Onion seeds can be sowed directly without any treatment.
How many Onion Seeds shall be sowed ?
Sows high grade seed 550~600 grams at the box surface of every 100 square metre.
How to take care of the Onion Seeds after sowing ?
After sowing, cover the seeds with fire ash, and finally cover the surface with a thin layer of straw to keep heat and moisture.
Onions Seedlings can be unearthed in about 8~10 days after sowing one after another.
We should promptly strengthen the management of fertilizer and water, keep the seedbed moist. Apply a thin human excrement every 5~7 days.
Remove weak seedlings, diseases and insects seedlings, over dense seedlings in time. The large seedlings with height of 20~25 cm can be successively transplanted.
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