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seed orchard

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以下为句子列表:
英文: Most seed orchard theory is based on the assumption that panmixis will occur and that selfing will not be a serious problem.

中文: 大多数关于种子园理论,是以假定能发生随机交配和自花受精而不会成为严重问题为依据的。        更详细...
英文: The experiment of making 12 kinds of application management experiments on Pinus massoniana seed orchard showed that there was an evident difference between P. massoniana clone yields by different application management measures, the reasonable applicatio

中文: 摘要对马尾松种子园进行12种施肥管理试验表明:不同的施肥管理措施对马尾松球果产量产生显著差异,合理施肥可以提高马尾松球果产量和种子品质。        更详细...
英文: The experimental results show that the characters of tree height, dbh, and volume, etc. of every family progenies of Pinus massoniana seed orchard are all evidently higher than those of control (CK), 7 fine family materials whose volume growth exceeds the

中文: 摘要对漳平五一国有林场马尾松种子园18个初选家系进行子代测定,采用随机区组设计、8次重复,对6年生的树高、胸径、材积等性状进行测定,试验结果表明:马尾松种子园各家系子代均明显高于对照(CK),共选出7个优良家系材积生长超过对照50%以上材料,作为营建马尾松改良种子园和工业原料林的材料。        更详细...
英文: The family comprehensive selection was conducted on the investigated results of progeny test stand of Pinus massoniana seedling seed orchard of Shanghang Baisha Forest Farm of Fujian Province with the correlation degree analysis method of grey system theo

中文: 摘要应用灰色系统理论中的关联度分析方法,对福建省上杭白砂林场马尾松实生种子园子代测定林分的调查结果进行家系综合评选。        更详细...
英文: The selection effect was evident that 37.5% gain in single individual seed yield could be obtained, which achieved the purpose of improving seed orchard yield and increasing the genetic gain.

中文: 8年生子代材积可获得改良增益10.6%,木材比重可获得4.6%的增益,种子园单株产种量可获得增益37.5%,选择效果明显,达到提高种子园产量、增加改良增益的目的。        更详细...
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