磷对花生氮素吸收和利用的影响

于天一,李晓亮,路亚,孙学武,郑永美,吴正锋,沈浦,王才斌

Effect of phosphorus (P) on nitrogen (N) uptake and utilization in peanut

Tian-Yi YU,Xiao-Liang LI,Ya LU,Xue-Wu SUN,Yong-Mei ZHENG,Zheng-Feng WU,Pu SHEN,Cai-Bin WANG

表2 不同品种及磷水平条件下花生3种氮源氮积累比例

Table 2 Percentage of three N supplied sources for peanut under different varieties and P rates (%)

年份 Year 施磷量 P rate 肥料氮 N from fertilizer 土壤氮 N from soil 根瘤固氮 N fixed by root nodule 花育22号 Huayu 22 花育20号 Huayu 20 花育22号 Huayu 22 花育20号 Huayu 20 花育22号 Huayu 22 花育20号 Huayu 20 2015 0 11.34±0.51 a 17.01±1.77 a 37.19±1.81 a 55.79±3.45 a 51.53±0.42 b 27.21±4.98 b 45 11.17±1.29 a 15.63±1.91 ab 36.49±0.28 ab 51.23±2.88 ab 53.15±1.78 ab 33.14±4.33 ab 90 11.05±1.77 a 15.26±0.75 ab 35.93±0.04 ab 50.05±2.45 ab 53.20±1.25 ab 34.70±3.19 ab 135 10.89±1.21 a 14.96±1.09 ab 35.56±0.01 ab 49.08±3.58 b 53.76±1.11 ab 35.95±4.67 a 180 10.43±0.99 a 14.40±0.56 b 34.18±2.91 b 47.22±1.85 b 55.62±2.75 a 38.39±2.42 a 2016 0 10.23±0.45 a 12.17±1.12 a 33.32±1.51 a 39.89±0.83 a 56.59±2.33 b 48.19±1.89 b 45 9.87±1.21 ab 11.68±2.08 a 32.37±3.95 a 38.31±2.05 a 58.37±2.45 ab 51.03±4.29 ab 90 9.75±0.25 ab 11.32±1.29 a 31.98±0.82 a 37.14±4.24 a 58.27±0.52 ab 51.93±4.34 ab 135 9.52±0.30 ab 11.15±1.51 a 31.21±0.99 a 36.59±4.96 a 59.30±1.84 ab 53.00±1.73 a 180 8.90±0.42 b 11.01±1.58 a 29.19±1.37 a 36.04±0.20 a 61.99±3.10 a 53.30±1.92 a 显著性Significance (F-value) 年份Year (Y) ** ** ** 品种Variety (V) ** ** ** 施磷量P rate (P) ns ** ** 年份×品种 Y×V ** ** ** 年份×施磷量Y×P ns ns ns 品种×施磷量V×P ns ns ns