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

图2 土壤结皮厚度和梭梭固沙年限的关系

Fig.2 The relationship between the thickness of soil crust and sand-fixation years of H. ammodendron