共 50 条
- [1] SMALL FIRMS SEEDBED ROLE AND THE CONCEPT OF TURBULENCE JOURNAL OF INDUSTRIAL ECONOMICS, 1984, 33 (02): : 217 - 231
- [2] A review of research on seedbed preparation for small grains in Sweden SOIL & TILLAGE RESEARCH, 2002, 64 (1-2): : 23 - 40