The Effects of Bed Sowing Seedling Density on the Seedling Quality of Juglans mandshurica
Juglans mandshurica is one of the precious three hardwood timber tree species in the northeast ,it is also an afforestation tree specie in the northeast .The seedling density determines the seedling yield and quality in the bed sowing .The test results showed that :The best seedling density was 110 per square meter in the seedling cultivation of J .mandshurica ,the seedling height ,ground diameter ,root length and the number of lateral root were optimal ,it was beneficial to the cultivation of high quality seedlings .
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