unsown

adj.

地里没有撒播的；

Marking unsown seed drill rows
Biodiversity effects on yield of unsown species invasion in a temperate forage system
Biodiversity effects on yield and unsown species invasion in a temperate forage ecosystem
Persistence of sown species and ingress of unsown species in agriculturally improved hill swards.
Vegetation development on sown and unsown field boundary strips established in three Environmentally Sensitive Areas
Preliminary findings from a study of sown and unsown management options for the restoration of perennial hedge-bottom vegetation
Effects of multi-species swards on dry matter production and the incidence of unsown species at three Irish sites.
New Zealand dryland pastures: effects of sown pasture species diversity on the ingress of unsown species.
The effect of seed mix and management on the abundance of desirable and pernicious unsown species in field margin communities
The effects of seed mix and management on the abundance of desirable and pernicious unsown species in arable buffer strip communities