Traditional British farming involved ___, which dated back to the 5th century.
A、theopenfieldsystem
B、thesystemofcroprotation
C、theuseofartificialfertilizer
D、theuseofnewagriculturalmachinery
发布时间:2024-12-01 10:29:30
A、theopenfieldsystem
B、thesystemofcroprotation
C、theuseofartificialfertilizer
D、theuseofnewagriculturalmachinery