Nelson嵋钊发现陆生植物Empertrum hermaphroditum对长白松(Pinus sylvestris)幼苗生长的影响是相 生相克作用和营养竞争的共同作用结果;生禾草(Centaurea)对羊茅(Festica)的相生相克作用及其对资 源的优...
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3.2 树木生长发育的变化 根据对长白松(Pinus sylvestriformis)的定位观 测, 当日平均气温>10℃时,长白松进入积极生长 期,在旬平均温度为10.6℃时芽膨胀,13.8℃开花 ,14.8℃花落,16.5℃...
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长白松 p. sylvestriformis; pinus sylivestris var sylvestriformis; pinus sylvestriform ..
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长白松 p. sylvestriformis; pinus sylivestris var sylvestriformis; pinus sylvestriform ..
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东北地区的大兴安岭、小兴安岭和长白山区,是中国最大的天然林区,到处是望不到边的红松、落叶松、黄花松等针叶林和白桦、柞树、水曲柳、杨树、榆树等阔叶林。
The Greater Hinggan, the Lesser Hinggan and the Changbai mountain ranges in the northeast are China's largest natural forest areas.
同时将这一理论应用到长白落叶松入工林木材图象的处理中。测出了木材的胞壁率,对细胞分子的边缘进行检测。
At same time, this theory was applied in wood anatomical structure image processing, to measure wood cell space ratio and check cell molecular boundary.
本文以长白落叶松扦插及扦插苗移栽试验为基础,对大量的影响因素进行了系统研究。
On the basis of experiments of the cuttage propagation and cuttings transplanting of Larix olgensis, a lot of factors which affect the cuttings have been systematically studied.
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