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How do you grow lesser knapweed?
Roots system of lesser knapweed has one main root, making it suitable for direct sowing. Sowing should be performed in spring and fall. Sowing in spring needs to be carried out as early as possible. The suitable temperature for germination is 15 to 20 ℃, and the seedling will emerge after 4-7 days.
Before sowing, mix the seeds and fine sand in a ratio of 1:2-3, and sow them evenly. Comb the plot gently with a rake afterwards. After sowing, the covering soil should not be too thick, as it is advised to cover the seeds tightly, otherwise the seedlings might may grow up unevenly.
Crush the soil with a tool to combine the seeds with the soil tightly. Finally, cover it with a non-woven fabric or a straw curtain to increase ground temperature and promote seed germination. It is best to choose a windless day for sowing. The sowing height should be reduced if the wind is strong.
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