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李龙1,秦富仓1*,姜丽娜2,姚雪玲3
Spatio-temporal Variability of Soil Organic Carbon in Semi-arid Area
LI Long1, QIN Fucang1*, JIANG Lina2, YAO Xueling3
中国农业科技导报 . 2020, (3): 100 -107 .  DOI: 10.13304/j.nykjdb.2019.0068