Abstract
Experiments on spaying Penzhangjing on seedlings ofLarix leptolepis was conducted for a year. The height growth and diameter at foot of experimental seedlings increased by 34.3% and 35.5%, respectively, compared with control seedlings. Variance analysis concludes that Penzhangjing have obvious effect on growth of height and diameter at foot of seedlings.
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References
Wang Qingmanet al. 1998. Applying of Penzhangjing to upland rice. Liaoning Agricultural Science, (2): 50–52
Wang Qingmanet al. Studies on the effect, of Penzhangjing on growing of fruit trees, Journal of Liaoning Forestry Science and Technology, (1): 52–53
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Qingman, W., Youzhi, H., Guoxue, H. et al. Experimental reports on using “Penzhangjing” forLarix loptolepis . Journal of Forestry Research 10, 61–63 (1999). https://doi.org/10.1007/BF02855484
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DOI: https://doi.org/10.1007/BF02855484