经营管理措施对滇杨生长的影响分析

在相同立地条件的地块内进行精细管理、粗放管理和自然生长3种经营管理方式对滇杨生长状况影响的对比实验。经过6年观测,结果表明:在立地条件相同下,强化经营管理措施有利于提高滇杨造林成活(保存)率。精细管理的林木平均高和地径生长量大于粗放管理的林木,粗放管理的林木平均高和地径生长量大于自然生长的林木。不同管理方式对滇杨高和地径生长量影响差异显著。经营管理措施越到位,滇杨树干干型越好,树干虫害发生率越低。

Effect of Management Model on the Growth of Populus Yunnanensis

Under the same condition, the effects of three management models on the growth of populus yunnanensis were tested. After six year study, results showed that management model have significant effects on survive rate of populus yunnanensis, the average growth of height and basal diameter under fine management model were greater than those under the extensive and natural growth management model. More management measures in place, better growth of populus yunnanensis and lower occurrence rate of insect pest.