WANG Jing-kuan, YU Shu, LI Cong, et al. Contents of Main Nutrient Elements in Varied Levels of Micro-aggregates of Different Soils[J]. 2007, 21(6): 122-125.
WANG Jing-kuan, YU Shu, LI Cong, et al. Contents of Main Nutrient Elements in Varied Levels of Micro-aggregates of Different Soils[J]. 2007, 21(6): 122-125.DOI: