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Study on The Contribution of Shajiang Black Soil Fertilizer and The Appropriate Technical Measures of Applying Fertilizer
Zhang Cunling, Chen Longtan, Cao Chengfu, Kong Lingcong, Ji Yongmin
Chinese Agricultural Science Bulletin . 2005, (11): 244 -244 .  DOI: 10.11924/j.issn.1000-6850.0511244