Responses of N and P stoichiometry on mulching management in the stand of<i>Phyllostachys praecox</i>

Ziwu, 郭子武 Guo; Shuanglin, 陈双林 Chen; Qingping, 杨清平 Yang; Yingchun, 李迎春 Li

doi:10.5846/stxb201112271995

Cited by 4 publications

(2 citation statements)

References 5 publications

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“…This observation aligns with findings from several studies, all of which have highlighted their sensitivity to acidic conditions [27,28]. In contrast, SS exhibits the opposite stoichiometric characteristics [25].…”

Section: Effects Of Ph Levels and N Form Ratios Of Cultivation Substr...supporting

confidence: 92%

“…The stoichiometric characteristics of plants are not solely determined by genetic factors but are also intricately linked to environmental variables, particularly the amount of N in the soil, which plays a pivotal role in C:N:P stoichiometry within plants [25]. Previous studies have demonstrated significant variations in biomass and C:N:P stoichiometry among different oak species under adverse conditions, with Quercus macrocarpa adjusting its nutrient allocation strategies to enhance nutrient utilization efficiency in response to adverse conditions [26].…”

Section: Effects Of Ph Levels and N Form Ratios Of Cultivation Substr...mentioning

confidence: 99%

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Effects of the Cultivation Substrate pH and Ammonium-to-Nitrate Nitrogen Ratio on the C:N:P Stoichiometry in Leaves of Cunninghamia lanceolata and Schima superba

Cheng,

Yu,

Wang

et al. 2024

Forests

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We aimed to clarify the nutrient allocation strategies of Cunninghamia lanceolata (CL) and Schima superba (SS) and their differences in N uptake and utilization under acidic stress and heterogeneous allocation of N. One-year-old seedlings of CL and SS were cultured in sands with three pH levels (pH rate 4.5, 5.5, and 6.5) and five different N form ratios (NH4+-N to NO3−-N ratios 10:0, 7:3, 5:5, 3:7, and 0:10) in the greenhouse. The C, N, and P contents and C:N:P stoichiometry in leaves, total biomass, and NH4+-N and NO3−-N contents in the cultivation substrate were analyzed after 160 days. At the pH rate of 4.5, the N contents of CL and SS significantly decreased. However, the N contents of SS increased at the pH rate of 5.5. At the pH rate of 5.5, the N content of CL and SS increased under the cultivation substrate, with ratios of 10:0 and 7:3, and 3:7 and 0:10, respectively. The N content of CL was significantly positively correlated with its P content. The C:P ratios of CL and SS were significantly positively correlated with their C:N ratios and N:P ratios. Under the same treatment, the differences in C:N:P stoichiometry were more significant between CL and SS at the pH rate of 5.5. The NH4+-N content of the cultivation substrate in CL and SS was higher than the NO3−-N content. At the ratio of 7:3, the C:N stoichiometric ratio of CL and C:N:P stoichiometric ratio of SS were negatively correlated with total biomass. At the pH rate of 5.5, cultivation environments with high NH4+-N and NO3−-N amount respectively increased the N content of CL and SS. The CL is susceptible to N limitation, and SS is susceptible to N and P limitation.

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Section: Effects Of Ph Levels and N Form Ratios Of Cultivation Substr...supporting

confidence: 92%

Section: Effects Of Ph Levels and N Form Ratios Of Cultivation Substr...mentioning

confidence: 99%

Effects of the Cultivation Substrate pH and Ammonium-to-Nitrate Nitrogen Ratio on the C:N:P Stoichiometry in Leaves of Cunninghamia lanceolata and Schima superba

Cheng,

Yu,

Wang

et al. 2024

Forests

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Bamboo Expansion and Ecosystem Litter Input

Zhang

2023

Bamboo Expansion: Processes, Impacts, and Management

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A Comparison of Soil C, N, and P Stoichiometry Characteristics under Different Thinning Intensities in a Subtropical Moso bamboo (Phyllostachys edulis) Forest of China

Jiang

Wang

et al. 2022

Forests

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Land management using suitable thinning intensities can promote the yield of Moso bamboo (Phyllostachys edulis) forests and alter the nutrient content and stoichiometric characteristics within the soil. However, the effects of different thinning intensities on soil carbon (C), nitrogen (N), and phosphorus (P) stoichiometry of P. edulis forests have not been comprehensively studied. Here, we evaluated the effects of three thinning intensities—no thinning control (NT), moderate thinning (annual removal of 15% of mature bamboo, MT), and heavy thinning (annual removal of 33% of mature bamboo, IT)—on the soil organic C (SOC), total N (TN), and total P (TP) stocks and their stoichiometry characteristics of a P. edulis forest located in the subtropical zone. The results showed that SOC, TN, and TP stocks decreased with increasing soil depth after three years of thinning. The SOC, TN, and TP stocks and the ecological stoichiometry ratios were varied with the change of thinning intensity and SOC stocks declining with the increased thinning intensity, but TN and TP stocks for the MT treatment were enhanced. The order of TN and TP stocks was MT > NT > IT. In comparison to CK, TN and TP stocks for MT increased significantly by 18.8 and 37.3%, while SOC, TN, and TP stocks for IT decreased by 31.0%, 7.2%, and 21.4%, respectively. The C:N and C:P ratios of MT decreased by 32.8% and 39.0%, and those of IT decreased by 26.5% and 15.6%, respectively. In summary, we conclude that the MT is an effective management strategy to promote soil nutrient cycling and provides a reference for formulating management strategies in subtropical Moso bamboo forests.

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Responses of N and P stoichiometry on mulching management in the stand ofPhyllostachys praecox

Cited by 4 publications

References 5 publications

Effects of the Cultivation Substrate pH and Ammonium-to-Nitrate Nitrogen Ratio on the C:N:P Stoichiometry in Leaves of Cunninghamia lanceolata and Schima superba

Effects of the Cultivation Substrate pH and Ammonium-to-Nitrate Nitrogen Ratio on the C:N:P Stoichiometry in Leaves of Cunninghamia lanceolata and Schima superba

Bamboo Expansion and Ecosystem Litter Input

A Comparison of Soil C, N, and P Stoichiometry Characteristics under Different Thinning Intensities in a Subtropical Moso bamboo (Phyllostachys edulis) Forest of China

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