不同管理模式对茶树碳氮磷含量及其生态化学计量比的影响

尹晓雷, 刘旭阳, 金强, 李先德, 林少颖, 阳祥, 王维奇, 张永勋

Effects of different management methods on carbon, nitrogen, and phosphorus contents and their stoichiometric ratios in tea plants

YIN Xiao-Lei, LIU Xu-Yang, JIN Qiang, LI Xian-De, LIN Shao-Ying, YANG Xiang, WANG Wei-Qi, ZHANG Yong-Xun

表1 不同管理模式茶树碳(C)、氮(N)、磷(P)含量和比值间的变异系数(CV, %)

Table 1 Coefficient of variation (CV, %) of carbon (C), nitrogen (N) and phosphorus (P) contents and the stoichiometry of tea plants under different management modes

管理模式 Management mode C N P C:N C:P N:P 根 Root 茎 Stem 叶 Leaf 根 Root 茎 Stem 叶 Leaf 根 Root 茎 Stem 叶 Leaf 根 Root 茎 Stem 叶 Leaf 根 Root 茎 Stem 叶 Leaf 根 Root 茎 Stem 叶 Leaf M1 17.61 0.20 1.17 5.17 5.42 13.98 2.17 9.78 2.15 15.63 5.32 14.90 19.22 9.52 1.14 6.56 15.01 12.27 M2 1.26 1.22 1.53 4.06 5.47 4.02 3.35 16.10 7.93 4.65 6.18 2.56 3.72 14.10 9.20 0.96 11.16 11.03 M3 18.03 3.17 0.76 14.63 6.07 2.35 15.81 2.41 4.80 11.47 3.11 2.59 27.56 5.44 2.85 20.63 8.24 5.26