干旱区流动沙地建植梭梭(Haloxylon ammodendron)林后细粒物质输入对土壤碳氮积累的影响
安芳娇, 苏永中, 牛子儒, 刘婷娜

Effects of fine particulate matter input on soil carbon and nitrogen accumulation after establishment of Haloxylon ammodendron plantations on shifting sand dunes in arid area
Fangjiao An, Yongzhong Su, Ziru Niu, Tingna Liu
表2 不同固沙年限土壤可侵蚀因子(EF)和物理稳定性指数(St
Table 2 Soil erodibility EF and physical stability index St in different sand-fixation years
固沙 年限/aEF/%St/%
冠层下冠层外冠层下冠层外
051.44±0.67a51.44±0.67a1.38±0.06d1.38±0.06de
347.85±0.47b49.12±0.19b1.36±0.16d1.00±0.04e
644.48±0.12c46.61±0.18c2.47±0.21c1.94±0.39cd
1142.13±0.38d45.09±0.28c2.67±0.23c2.29±0.38abc
1940.56±0.29e42.75±0.97d2.64±0.12c2.07±0.38bc
2839.60±1.66e41.97±2.66d3.57±0.15a2.56±0.36ab
4636.38±1.13f38.74±0.78e3.23±0.29b2.74±0.36a
F112.69543.2861.82511.558
P<0.001<0.001<0.001<0.001