@Article{phyton.2022.021382,
AUTHOR = {Jiasen Wu, Genping Tong, Rui Guo, Zihao Ye, Jin Jin, Haiping Lin},
TITLE = {N-Exponential Fertilization Could Affect the Growth and Nitrogen Accumulation of <i>Metasequoia glyptostroboides</i> Seedling in a Greenhouse Environment},
JOURNAL = {Phyton-International Journal of Experimental Botany},
VOLUME = {91},
YEAR = {2022},
NUMBER = {10},
PAGES = {2211--2220},
URL = {http://www.techscience.com/phyton/v91n10/47997},
ISSN = {1851-5657},
ABSTRACT = {<i>Metasequoia glyptostroboides</i> (<i>M. glyptostroboides</i>) is a unique plant species related to relic flora in China. It plays a positive role in afforestation and its long-term protection with high paleoclimate research value. However, due to the nutrients-supply deficiency, it is a big challenge to cultivate the high-quality seedlings of <i>M. glyptostroboides.</i> In this study, a pot experiment in a greenhouse environment was carried out to identify the effect of N-exponential fertilization on the growth and nutrient distribution of <i>M. glyptostroboides</i> seedling. The <i>M. glyptostroboides</i> rooted seedlings with 12-month growth were chosen. Different N fertilizer levels with conventional fertilization (CF: 5.0 g seedling<sup>−1</sup>), exponential fertilization including EF1, EF2, EF3 and EF4 were determined. The relevant growth indexes were measured after 210-day growth. The results indicated that non-significant differences in seedlings’ height and ground diameter were found among the above treatments (<i>P</i> > 0.05); At the same time, N-exponential fertilization promoted the <i>M. glyptostroboides’</i>s biomass in different organs (<i>P</i> < 0.05), with the maximum total biomass under EF3 treatment. The N accumulation in root and stem of the N-exponential fertilization treatments were increased in to some extent (<i>P</i> < 0.05). The maximum N accumulation was also found under EF3 treatment. Therefore, steady-state nutrition and superior growth performance of <i>M. glyptostroboides</i> could be obtained by N-exponential fertilization of 5.0 g cutting<sup>−1</sup>.},
DOI = {10.32604/phyton.2022.021382}
}