冀西北地区错期交叉混播对第3年草地生产力的影响
李军, 杜俊颖, 杨莉, 宋连昭, 李鑫洋, 薛祝林, 刘贵河
Effects of Cross Sowing at Different Times on Grassland Productivity in the Third Year of Planting in Northwest Hebei
LI Jun, DU Jun-ying, YANG Li, SONG Lian-zhao, LI Xin-yang, XUE Zhu-lin, LIU Gui-he
草地学报
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2022, (8): 2167
-2172
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DOI: 10.11733/j.issn.1007-0435.2022.08.028