中国苜蓿、黑麦草和燕麦草产量差及影响因素

魏志标，柏兆海，马林，张福锁

Yield Gap of Alfalfa, Ryegrass and Oat Grass and Their Influence Factors in China

WEI ZhiBiao, BAI ZhaoHai, MA Lin, ZHANG FuSuo

中国农业科学 . 2018, (3): 507 -522 . DOI: 10.3864/j.issn.0578-1752.2018.03.010