Variation Characteristics of Fractions of Active Nitrogen and Organic Nitrogen Under Different Long-Term Fertilization Practices in Black Soil
HAO Xiao-yu, MA Xing-zhu, GAO Zhong-chao, CHEN Miao-miao, ZHOU Bao-ku
Variation Characteristics of Fractions of Active Nitrogen and Organic Nitrogen Under Different Long-Term Fertilization Practices in Black Soil
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