CAJ | 학술논문

为防止雨水将油松落果和种子冲击至山下腹或沟谷,影响自然撒种更新数量,进行了横山叠梗的留存种子方法试验,结果表明：横山叠梗可大量提高油松的更新数量,试验区平均更新量为523.6万株 hm-2,是对照区更新量的5.29倍。油松林内横山叠梗天然更新效果显著。
위방지우수장유송낙과화충자충격지산하복혹구곡,영향자연살충경신수량,진행료횡산첩경적류존충자방법시험,결과표명：횡산첩경가대량제고유송적경신수량,시험구평균경신량위523.6만주 hm-2,시대조구경신량적5.29배。유송림내횡산첩경천연경신효과현저。
Experiments of retaining seed method were conducted by superimposing on soil ridge covered for a horizon-tal distance of two rows of Pinus tabulaeformis .Using this method,the rainwater will no longer attack the fruit drop & seeds of Pinus tabulaeformis to the lower parts of mountains or gully,and the regeneration quantity natural seeding won’t be affected.Result shows that:superimposed on soil ridge covered for a horizontal distance of two rows of Pinus tabulaeformis can increase the large quantity for regeneration of Pinus tabulaeformis .The mean re-generation quantity of Pinus tabulaeformis in test plots,which is 5 236 000 trees hm-2 ,is 5.29 times as much as that of CK.In the forest of Pinus tabulaeformis ,superimposing on soil ridge covered for a horizontal distance of two rows of Pinus tabulaeformis can obtain the significant effect.