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What are the key points of Korean pine sowing and seedling-raising techniques?

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The method for sowing and raising Korean pine seedlings is as follows: spring sowing is preferable. In Northeast China, mid-April to early June is better. Broadcasting or drilling in rows are both acceptable; in recent years, wide-row sowing is usually used, with a sowing width of 8 to 10 cm. After sowing, firm the soil once first, then cover with soil, with a soil cover thickness of about 2 cm. If timely irrigation is possible, the seedbed does not need to be covered with grass after sowing, and full-light seedling raising can be carried out. To eliminate weeds, after sowing and before seedling emergence, nitrofen at 3 grams per sq m, atrazine at 1 gram, or prometryn at 2 grams can be sprayed on the seedbed surface; do not irrigate within 10 hours after spraying. The sowing rate for Korean pine is 3000 to 37

The method for sowing and raising Korean pine seedlings is as follows: spring sowing is preferable. In Northeast China, mid-April to early June is better. Broadcasting or drilling in rows are both acceptable; in recent years, wide-row sowing is usually used, with a sowing width of 8 to 10 cm. After sowing, firm the soil once first, then cover with soil, with a soil cover thickness of about 2 cm. If timely irrigation is possible, the seedbed does not need to be covered with grass after sowing, and full-light seedling raising can be carried out. To eliminate weeds, after sowing and before seedling emergence, nitrofen at 3 grams per sq m, atrazine at 1 gram, or prometryn at 2 grams can be sprayed on the seedbed surface; do not irrigate within 10 hours after spraying. The sowing rate for Korean pine is 3000 to 3750 kg per hectare.

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