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1956年6—7月期间,我们参加了中苏黑龙江综合考察队的考察工作。在北安——黑河地区进行农业资源调查之际,也进行了树种根系的调查。基于“种间的相互影响不仅限于地上部分的相互影响,根系之间也有相互的影响,而且当表面有强烈的影响时,地下部分的影响常常大于地上部分的影响”的认识,除对林地进行目的调查外,还着重地对树种根系做了调查与观察,借以了解次生阔叶幼林混交树种根系的结构与生态特性,以及在土壤中分布的相互关系。
From June to July 1956, we participated in the inspection work of the comprehensive inspection team of Heilongjiang in China and the Soviet Union. In the Bei’an - Heihe area of agricultural resources survey, also conducted a survey of tree species roots. Based on “Inter-species interactions are not limited to the interaction between above-ground parts, but also to the mutual influence between roots, and when the surface has a strong influence, the influence of underground parts is often greater than the influence of above-ground parts” In addition to the purpose of investigation, the roots of tree species were also surveyed and observed emphatically to understand the structure and ecological characteristics of root systems of mixed broadleaved young mixed forest and the correlation among the distribution in the soil.