Effects of Biochar Application Pyrolyzed at Different Temperatures on Soil Properties, Growth and Leaf Secondary Metabolite Accumulation in <i>Cyclocarya paliurus</i>
<i>Cyclocarya paliurus</i> is a well-known multifunctional tree species and its leaves are in especially high demand for tea production and medical utilization in China. To meet the enormous requirements of its leaf production, lots of <i>C. paliurus</i> plantations have been...
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| Format: | Article |
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MDPI AG
2022-09-01
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| Series: | Forests |
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| Online Access: | https://www.mdpi.com/1999-4907/13/10/1572 |
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| author | Rui Deng Ziyu Lan Xulan Shang Shengzuo Fang |
| author_facet | Rui Deng Ziyu Lan Xulan Shang Shengzuo Fang |
| author_sort | Rui Deng |
| collection | DOAJ |
| description | <i>Cyclocarya paliurus</i> is a well-known multifunctional tree species and its leaves are in especially high demand for tea production and medical utilization in China. To meet the enormous requirements of its leaf production, lots of <i>C. paliurus</i> plantations have been established for harvesting the leaves, producing a large quantity of pruning residues during their management. In this study, biochar at different pyrolysis temperatures (300 °C, 500 °C and 700 °C) were prepared, utilizing the pruning residues, and the effects of biochar additions pyrolyzed at different temperatures on soil properties, growth and leaf secondary metabolite accumulation in <i>C. paliurus</i> were investigated. The results showed that the chemical properties and FT-IR spectra of wheel wingnut-based biochar were significantly influenced by the pyrolysis temperatures, and the application of biochars pyrolyzed at different temperatures significantly affected soil pH and nutrient availability, as well as the growth, nutrient uptake and secondary metabolite accumulation of <i>C. paliurus</i> seedlings (<i>p</i> < 0.05). Correlation analysis indicated that the total contents of polyphenols, flavonoids and triterpenoids in <i>C. paliurus</i> leaves were negatively correlated with the contents of total phosphorus (P) and total potassium (K) in the leaves, but positively correlated with the ratios of carbon (C)/nitrogen (N) and C/P. After 200 days of biochar treatment, the highest biomass production and leaf secondary metabolite accumulation in <i>C. paliurus</i> were obtained in the addition of biochar pyrolyzed at 500 °C. The findings from this pot experiment provide a potential application in <i>C. paliurus</i> plantations, though long-term field experiments are required to optimize the quantity of biochar addition, based on soil conditions and stand age at the planting sites. |
| first_indexed | 2024-03-09T20:12:34Z |
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| id | doaj.art-5af3f91d2eb2441896905e3f5ed1340e |
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| issn | 1999-4907 |
| language | English |
| last_indexed | 2024-03-09T20:12:34Z |
| publishDate | 2022-09-01 |
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| record_format | Article |
| series | Forests |
| spelling | doaj.art-5af3f91d2eb2441896905e3f5ed1340e2023-11-24T00:09:23ZengMDPI AGForests1999-49072022-09-011310157210.3390/f13101572Effects of Biochar Application Pyrolyzed at Different Temperatures on Soil Properties, Growth and Leaf Secondary Metabolite Accumulation in <i>Cyclocarya paliurus</i>Rui Deng0Ziyu Lan1Xulan Shang2Shengzuo Fang3College of Forestry, Nanjing Forestry University, Nanjing 210037, ChinaCollege of Forestry, Nanjing Forestry University, Nanjing 210037, ChinaCollege of Forestry, Nanjing Forestry University, Nanjing 210037, ChinaCollege of Forestry, Nanjing Forestry University, Nanjing 210037, China<i>Cyclocarya paliurus</i> is a well-known multifunctional tree species and its leaves are in especially high demand for tea production and medical utilization in China. To meet the enormous requirements of its leaf production, lots of <i>C. paliurus</i> plantations have been established for harvesting the leaves, producing a large quantity of pruning residues during their management. In this study, biochar at different pyrolysis temperatures (300 °C, 500 °C and 700 °C) were prepared, utilizing the pruning residues, and the effects of biochar additions pyrolyzed at different temperatures on soil properties, growth and leaf secondary metabolite accumulation in <i>C. paliurus</i> were investigated. The results showed that the chemical properties and FT-IR spectra of wheel wingnut-based biochar were significantly influenced by the pyrolysis temperatures, and the application of biochars pyrolyzed at different temperatures significantly affected soil pH and nutrient availability, as well as the growth, nutrient uptake and secondary metabolite accumulation of <i>C. paliurus</i> seedlings (<i>p</i> < 0.05). Correlation analysis indicated that the total contents of polyphenols, flavonoids and triterpenoids in <i>C. paliurus</i> leaves were negatively correlated with the contents of total phosphorus (P) and total potassium (K) in the leaves, but positively correlated with the ratios of carbon (C)/nitrogen (N) and C/P. After 200 days of biochar treatment, the highest biomass production and leaf secondary metabolite accumulation in <i>C. paliurus</i> were obtained in the addition of biochar pyrolyzed at 500 °C. The findings from this pot experiment provide a potential application in <i>C. paliurus</i> plantations, though long-term field experiments are required to optimize the quantity of biochar addition, based on soil conditions and stand age at the planting sites.https://www.mdpi.com/1999-4907/13/10/1572wheel wingnutbiochar propertysoil nutrientsecondary metaboliteleaf biomass |
| spellingShingle | Rui Deng Ziyu Lan Xulan Shang Shengzuo Fang Effects of Biochar Application Pyrolyzed at Different Temperatures on Soil Properties, Growth and Leaf Secondary Metabolite Accumulation in <i>Cyclocarya paliurus</i> Forests wheel wingnut biochar property soil nutrient secondary metabolite leaf biomass |
| title | Effects of Biochar Application Pyrolyzed at Different Temperatures on Soil Properties, Growth and Leaf Secondary Metabolite Accumulation in <i>Cyclocarya paliurus</i> |
| title_full | Effects of Biochar Application Pyrolyzed at Different Temperatures on Soil Properties, Growth and Leaf Secondary Metabolite Accumulation in <i>Cyclocarya paliurus</i> |
| title_fullStr | Effects of Biochar Application Pyrolyzed at Different Temperatures on Soil Properties, Growth and Leaf Secondary Metabolite Accumulation in <i>Cyclocarya paliurus</i> |
| title_full_unstemmed | Effects of Biochar Application Pyrolyzed at Different Temperatures on Soil Properties, Growth and Leaf Secondary Metabolite Accumulation in <i>Cyclocarya paliurus</i> |
| title_short | Effects of Biochar Application Pyrolyzed at Different Temperatures on Soil Properties, Growth and Leaf Secondary Metabolite Accumulation in <i>Cyclocarya paliurus</i> |
| title_sort | effects of biochar application pyrolyzed at different temperatures on soil properties growth and leaf secondary metabolite accumulation in i cyclocarya paliurus i |
| topic | wheel wingnut biochar property soil nutrient secondary metabolite leaf biomass |
| url | https://www.mdpi.com/1999-4907/13/10/1572 |
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