极端年型旱地麦田深松和覆盖播种水分消耗与植株氮素吸收、利用关系的研究

李念念, 孙敏, 高志强, 张娟, 张慧芋, 梁艳妃, 杨清山, 杨珍平, 邓妍

A Study on the Relationship Between Water Consumption and Nitrogen Absorption, Utilization Under Sub-Soiling During the Fallow Period Plus Mulched-Sowing in Humid and Dry Years of Dryland Wheat

NianNian LI, Min SUN, ZhiQiang GAO, Juan ZHANG, HuiYu ZHANG, YanFei LIANG, QingShan YANG, ZhenPing YANG, Yan DENG

表1 闻喜试验点的降水量

Table 1 Precipitation at the experimental site in Wenxi (mm)

年份 Year 休闲期 Fallow period 播种—越冬 SS-WS 越冬—拔节 WS-JS 拔节—开花 JS-AS 开花—成熟 AS-MS 总计 Total 2002-2016 281.8±14.7 58.8±12.4 28.5±6.8 47.9±10.3 61.0±11.7 483.4±14.6 2009-2010 173.1 64.5 12.6 33.9 50.9 335.0 2010-2011 401.5 27.1 19.1 22.2 64.8 534.7 2011-2012 459.9 123.6 28.7 19.1 30.6 661.9 2012-2013 188.4 32.8 22.4 12.0 100.1 355.7 2013-2014 288.2 43.7 23.1 104.0 30.7 489.7 2014-2015 365.6 21.5 50.8 61.2 17.6 516.7 2015-2016 94.7 69.0 11.0 57.1 122.8 386.8