退化沙质草地开垦和围封过程中的土壤颗粒分形特征

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文海燕^1,2;傅华¹;赵哈林²

Fractal features of soil particle size distribution in degraded sandy grassland during reclamation and enclosure

WEN Haiyan^1,2;FU Hua¹;ZHAO Halin²

应用生态学报 . 2006, (01): 55 -59 .