种子投入产出效率、饲料粮转化效率与粮食和营养安全

黄泽颖,郭燕枝,孙君茂*

Seed Input-output Efficiency, Feed Grain Conversion Efficiency and Food and Nutrition Security

HUANG Zeying, GUO Yanzhi, SUN Junmao*

中国农业科技导报 . 2019, (11): 17 -26 . DOI: 10.13304/j.nykjdb.2019.0214