Selection and optimum fertilization of Betula platyphylla hybrid clones for growth
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ORIGINAL ARTICLE
Selection and optimum fertilization of Betula platyphylla hybrid clones for growth Shuyuan Song1 · Siqi Cheng1 · Zhen Jia1 · Minghui Li1 · Jiabao Ji1 · Yifan Yang1 · Chu Wang1 · Chenrui Gu1 · Qibin Yu2 · Yuhui Weng3 · Guifeng Liu1 Received: 13 June 2020 / Accepted: 13 October 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract The different genotype response to fertilization varies greatly for tree growth. Therefore, the selection of superior genotypes and the optimal fertilization formula are important measures for cultivation of high-yielding forest. In this study, 30 hybrid clones of Betula platyphylla with supply different doses of formulated fertilization were used. Height, DBH (or ground diameter), and volume were recorded in 2-, 4-, and 5-year-old trees. Results showed that there were significant effects for clone, fertilization and age (P
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