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首页> 外文会议>Biennial Southern Silvicultural Research Conference >Third-year response of direct-seeded shortleaf pine and hardwood sprouts to three methods of hardwood control in the Arkansas ozarks
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Third-year response of direct-seeded shortleaf pine and hardwood sprouts to three methods of hardwood control in the Arkansas ozarks

机译：在阿肯色州欧扎克斯在铁木控制中的三种方法的三年反应

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Compared to untreated checks, manual hardwood control and herbicide injection of hardwoods facilitated the development of direct seeded shortleaf pine (Plnus echinata Mill.) reproduction following a single-tree selection harvest in a mature, naturalstand of shortleaf pines in northwest Arkansas. Three years after hardwood control, shortleaf pine seedlings on treated plots were 61 percent taller (P=0.05) in height and 64 percent larger (P=0.02) in groundline diameter than pine seedlings on check plots. Sprouts from treated hardwoods on manual control plots were taller (P=0.02) and their crowns were larger (P=0.01) than hardwood sprouts on herbicide injection plots.
机译：与未经治疗的检查相比，手动硬木控制和除草剂注入硬木的促进了直接播种的缩短松树（PLNU Echinata磨机）的发展。在西北阿肯色州的短叶松树的成熟中的单树选择收获后，繁殖。硬木控制三年后，处理地块的缩短松树幼苗的高度为61％（p = 0.05），地下线直径的64％（p = 0.02），而不是检查图上的松树幼苗。从经过处理的硬木上手动控制图的豆芽更高（P = 0.02），并且它们的冠状较大（P = 0.01），而不是除草剂注射图上的硬木芽。

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