芨芨草叶片养分特征对氮磷不同添加水平的响应

李军军, 李萌茹, 齐兴娥, 王立龙, 徐世健

Response of nutrient characteristics of Achnatherum splendens leaves to different levels of nitrogen and phosphorus addition

LI Jun-Jun, LI Meng-Ru, QI Xing-E, WANG Li-Long, XU Shi-Jian

表3 土壤不同养分添加水平下土壤N:P与芨芨草叶片N、P含量及养分回收效率的Pearson相关分析

Table 3 Pearson correlation analysis between N:P addition and leaf N, P contents and nutrient resorption efficiency of Achnatherum splendens at different nutrient addition level

养分添加水平 Nutritional addition level N (g) N (s) P (g) P (s) N:P (g) N:P (s) NRE PRE NRE:PRE p R p R p R p R p R p R p R p R p R 低 Low 0.660 -0.170 0.390 0.330 0.020 0.740 0.560 -0.230 0.410 0.320 0.060 0.290 0.260 -0.420 0.000 0.940 0.030 -0.720 中 Moderate 0.010 0.910 0.330 0.370 0.240 0.440 0.580 -0.220 0.060 0.650 0.045 0.740 0.490 0.270 0.010 0.740 0.400 -0.320 高 High 0.180 -0.490 0.200 0.470 0.070 -0.630 0.006 0.830 0.420 -0.310 0.005 0.840 0.070 -0.620 0.010 0.940 0.010 -0.790