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据《Scientia Horticulturae》(2012年3月)的一篇研究报道,来自匈牙利科维努斯布达佩斯大学园艺科学系研究人员对不同砧木甜樱桃树冠层叶片群体做了调查研究。为找到高密度种植樱桃果园里树冠最佳叶面积指数,研究人员调查了不同砧木上甜樱桃树的叶片群体特性及不同砧木对叶面积指数的影响,调查内容包括测算总叶面积、叶重和叶片数量,并计算了评估叶群体分布的不同指标。调查在建园后第五年(2008)和第六年
According to a study by “Scientia Horticulturae” (March 2012), researchers from the Department of Horticulture Sciences, University of Budapest, Budapest, Corvus of Hungary, conducted a survey of canopy leaf populations of sweet cherry trees of different rootstocks. In order to find out the optimal leaf area index of canopy in high-density cherry orchards, the researchers investigated the population characteristics of sweet cherry trees on different rootstocks and the effects of different rootstocks on the leaf area index. The investigation included the calculation of total leaf area, The number of leaves and the calculation of different indicators for assessing the distribution of leaf populations. Investigate the fifth year (2008) and the sixth year after the park was built