草甸草原区退耕地的牧草-水分-氮肥耦合机制
李达1,方华军2,王笛1,徐丽君3(
),唐雪娟3,辛晓平3,聂莹莹3,乌仁其其格4
),唐雪娟3,辛晓平3,聂莹莹3,乌仁其其格4
Coupling Mechanism of Herbage-Water-Nitrogen Fertilizer in Abandoned Farmland in Meadow Steppe
LI Da1,FANG HuaJun2,WANG Di1,XU LiJun3(),TANG XueJuan3,XIN XiaoPing3,NIE YingYing3,Wuren qiqige4
),TANG XueJuan3,XIN XiaoPing3,NIE YingYing3,Wuren qiqige4
图2. 2016—2017年3个因素不同处理下土壤SOC、TN及pH的变化量
变化量=现有值-原有值,图中数据条表示平均值±标准误差。下同
Fig. 2. Changes of SOC, TN and pH in soils under three different treatments from 2016 to 2017
Variation = existing value - original value. The data bars in the figure represent M±SE. The same as below
