英文關鍵字
agricultural
agriculture
agronomy
animal
biogas
brown
cereal
clip
crop
draught
dried
dry
farming
feed
fodder
food
footage
global
leaves
livestock
local
lot
maize
manure
many
material
mixed
natural
nature
organic
pile
piled
plant
plenty
product
ranch
raw
remain
residue
shot
silage
slide
stalks
stover
straw
tassel
tassels
video
warming
waste