永吉县五里河林场自1967年以来直播核桃楸并已成林64ha,现已集中成片,长势良好。据调查:24年生平均胸径8cm,平均树高10.39m,平均每公顷保留株数2560株,每公顷活立木蓄积76.18m~3,郁闭度0.87,保存率86.49％。核桃楸直播造林成功的关键是防止鼠害。我们的做法是:种子冬贮时加拌6％的666粉,然后加拌50％沙子混匀,入窖封项过 Wuli River Forest Farm Yongji County live since 1967 and has become a forest walnut 64ha, has been concentrated into films, growing well. According to the survey, the 24-year-old average diameter at breast height is 8cm and average tree height is 10.39m. The average number of preserved plants per hectare is 2560, and the percentage of live stumps per hectare is 76.18m ~ 3. Canopy density is 0.87 and the preservation rate is 86.49%. Juglans mandshurica success of the key is to prevent rodent damage. Our approach is: add 6% of the 666 powder seed winter pudding, and then add 50% sand mixing, cellar sealing items