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1
, 张玉霞
1,
*
, 王显国
2
, 田永雷
1
Effects of autumn cutting on the non-structural carbon and nitrogen content in the root collar of alfalfa
ZHU Ai-min
1
, ZHANG Yu-xia
1,
*
, WANG Xian-guo
2
, TIAN Yong-lei
1
土壤封冻期刈割处理对8个紫花苜蓿品种根颈中C/N影响