Agriculture & Biology
Alopecurus myosuroides
100%
mechanical weed control
64%
weed control
60%
weeds
52%
hoeing
42%
mowing
34%
harrowing
31%
cropping systems
27%
herbicides
23%
grasslands
18%
tractors
15%
seed productivity
15%
Brassica napus
13%
winter wheat
13%
farm surveys
10%
winter barley
9%
plowing
8%
soil
7%
pesticide application
7%
tillage
6%
alfalfa
6%
seed germination
6%
growth retardation
6%
sowing
5%
growth and development
5%
canopy
5%
dates (fruit)
5%
environmental factors
4%
seedlings
4%
seeds
3%
testing
2%
Earth & Environmental Sciences
weed
73%
mowing
38%
herbicide
37%
cropping practice
28%
modeling
27%
seed production
20%
rape (plant)
19%
grassland
17%
winter
13%
wheat
13%
seed
12%
weed control
10%
speed
9%
sowing
9%
crop rotation
9%
alfalfa
8%
plowing
8%
barley
8%
germination
8%
health and safety
8%
growth and development
8%
cereal
7%
tillage
7%
seedling
7%
soil
6%
farm
6%
canopy
5%
environmental conditions
5%
mortality
5%
crop
5%
effect
5%
simulation
3%
experiment
2%
test
2%