Experiment on Substrate Ratio of Container Seedling of Cyclobalanopsis gracilis
[Objective]To screen out the best ratio of substrate for container seedling of Cyclobalanopsis gracilis.[Method]Through observing the effects of five different substrate ratios on the survival rate,seedling height,ground diameter and other growth indicators of C.gracilis container seedlings to find out the best substrate ratio.[Result]Different substrate ratios had significant effects on the survival rate,seedling height and ground diameter growth of container seedlings of C.gracilis,especially in the survival rate and seedling height of container seedlings of C.gracilis,the effects of different substrate ratios reached extremely significant level.[Conclusion]Considering all factors,it is suggested that the substrate ratio of paddy soil∶peat soil∶perlite=3∶5∶2 should be used as much as possible in the production practice of container seedling of C.gracilis.Such a substrate ratio can not only improve the survival rate of container seedlings of C.gracilis,but also promote the growth of seedling height and ground diameter,moderately improve the diameter height ratio of C.gracilis seedlings,and is more conducive to improving the quality level of C.gracilis seedlings.At the same time,it can also adapt to reduce the cost of seedling raising,and then improve the economic efficiency of seedling raising.
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