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Effect of different straw return years on humus composition of soil
ZOU Hong-tao;GUAN Song;LING Yao;FAN Qing-feng;ZHANG Yu-long;HUANG Yi;College of Land and Environment;Shenyang Agricultural University/Key Laboratory of Northeastern cultivated land conservation of Ministry of Agriculture/ National Engineering Laboratary of High Efficient Use on Soil and Fertilizer Resources;Faculty of Resource and Environment Sciences;Jilin Agricultural University;
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