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首页> 外文期刊>Agroforestry Systems >Restoration of hard mast species for wildlife in Missouri using precocious flowering oak in the Missouri River floodplain, USA
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Restoration of hard mast species for wildlife in Missouri using precocious flowering oak in the Missouri River floodplain, USA

机译：在美国密苏里河漫滩中使用早熟的开花橡树恢复密苏里州野生动物的硬桅杆物种

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Increased planting of hard mast oak species in the Lower Missouri River floodplain is critical as natural regeneration of oak along the Upper Mississippi and Lower Missouri Rivers has been limited following major flood events in 1993 and 1995. Traditional planting methods have limited success due to frequent flood events, competition from faster growing vegetation and white-tailed deer herbivory. Results of early growth response of swamp white oak (Quercus bicolor Willd.) seedlings in relation to initial acorn mass and size, and early rapid shoot growth for seedlings produced by containerized root production method (RPM™), are presented. Containerized RPM™ seedlings grown in the greenhouse under optimal conditions demonstrate that seed size had no discernable impact on first-year root or shoot size. Seedling survival for the first two years and acorn production for the first three years after outplanting are presented, comparing use of containerized RPM™ swamp white oak seedlings to nursery stock. Flood tolerant precocious RPM™ oak seedlings in the floodplain provide a source of food for acorn-consuming wildlife ten to fifteen years sooner than oaks originating from natural regeneration, direct seeding or traditional bare root planting. Compared to bare root nursery stock that produced no acorns, some RPM™ swamp white oak seedlings averaged 4.3, 5.2, and 6.3 acorns/seedling in the first three years after fall outplanting.
机译：下密苏里河泛滥地区的硬桅橡树种的增加种植至关重要，因为在1993年和1995年发生大水灾之后，密西西比河上游和密苏里河下游的橡树自然再生受到限制。传统的种植方法因洪水频发而受到限制事件，来自生长较快的植被和白尾鹿食草的竞争。提出了沼泽白橡树（Quercus bicolor Willd。）幼苗相对于初始橡子质量和大小的早期生长响应以及通过容器根生产法（RPM™）产生的幼苗的早期快速芽生长的结果。在最佳条件下在温室中生长的带容器的RPM™幼苗表明，种子大小对第一年的根系或枝条大小没有明显的影响。介绍了使用移栽后的RPM™沼泽白橡树苗与苗木相比，移栽后头两年的幼苗存活率和头三年的橡子产量。洪泛区中耐洪的早熟RPM™橡树幼苗比食用天然再生，直接播种或传统裸根种植的橡树要早十到十五年，为食用橡子的野生动物提供了食物来源。与没有橡子的裸露根苗圃相比，有些RPM™沼泽白橡树幼苗在秋季移栽后的前三年平均有4.3、5.2和6.3橡子/幼苗。

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