施氮量对小麦籽粒主要矿质元素含量的影响和有效性分析

王云江, 王玉莹, 刘畅, 敬雪妍, 羊辰, 孙彩霞, 王春平

Effects of Nitrogen Application Rate on Major Mineral Element Content and Bioavailability in Wheat Grains

Wang Yunjiang, Wang Yuying, Liu Chang, Jing Xueyan, Yang Chen, Sun Caixia, Wang Chunping

表2 施氮量与品种差异对小麦籽粒Ca、Mg、Fe和Zn生物有效性的影响

Table 2 Effects of N application rate and variety differences on the bioavailability of Ca, Mg, Fe, and Zn in wheat grains

项目Item P/Ca P/Fe P/Mg P/Zn N0 10.13±0.31a 105.96±2.54a 2.31±0.02a 181.58±4.23a N45+45 10.57±0.35a 107.14±2.07a 2.31±0.03a 181.60±4.43a N90+90 10.18±0.34a 104.53±1.61ab 2.27±0.02a 180.06±4.55a N135+135 10.19±0.29a 97.96±1.67b 2.28±0.02a 162.07±5.02b N180+180 10.16±0.29a 97.60±1.62b 2.28±0.02a 160.82±3.65b 15CA73 9.88±0.24bc 98.68±1.22b 2.28±0.02b 168.16±3.67a 济麦22 Jimai 22 10.41±0.31b 116.81±1.55a 2.26±0.02b 178.83±4.80a 中麦255 Zhongmai 255 11.30±0.28a 97.21±1.33b 2.36±0.02a 178.61±3.93a 中麦578 Zhongmai 578 9.38±0.23c 98.07±1.71b 2.26±0.02b 167.48±3.71a