Agriculture & Biology
agriculture
91%
plant breeding
90%
students
88%
grain crops
86%
agroecosystems
82%
education
69%
agricultural watersheds
68%
stakeholders
66%
climate
65%
crops
64%
agricultural statistics
62%
commercialization
57%
teachers
57%
woody biomass
54%
Midwestern United States
54%
systems analysis
53%
new crops
52%
carbon sinks
49%
small farms
49%
water quality
49%
mixed forests
49%
soil organic carbon
46%
ecosystems
46%
land use
45%
cover crops
45%
climate change
44%
learning
44%
germplasm
42%
corn
40%
prediction
40%
planning
39%
heritability
36%
beans
36%
biobased products
34%
carbon sequestration
34%
ecosystem services
33%
kriging
33%
cropping systems
29%
domestication
28%
genetic variation
25%
nitrogen
24%
fallow
21%
social sustainability
21%
Thlaspi arvense
21%
crop production
20%
plant breeders
19%
seed yield
19%
Earth & Environmental Sciences
student
73%
allocation
72%
plant breeding
65%
crop
63%
stakeholder
62%
agroecology
62%
trade-off
60%
education
53%
bicycle
52%
smallholder
51%
nitrogen
49%
commercialization
48%
mixed forest
46%
decision making
46%
farm
43%
food
43%
teaching
43%
water quality
41%
learning
39%
landscape planning
39%
continent
36%
fragmentation
36%
kriging
33%
food production
32%
maize
27%
ecosystem
26%
prediction
26%
biomass
25%
carbon
23%
land
23%
management practice
22%
planning process
21%
agriculture
21%
budget
20%
organic carbon
20%
green revolution
20%
yield response
19%
services
19%
creek
18%
fallow
17%
soil
17%
carbon sequestration
17%
land cover
16%
agricultural development
16%
agricultural production
15%
crop production
14%
agricultural ecosystem
14%
surplus
14%
cropping practice
13%
Social Sciences
teaching analysis
63%
food
56%
landscape planning
50%
bicycle
50%
systems analysis
47%
job creation measure
44%
fragmentation
39%
stakeholder
34%
decision making
32%
classroom
27%
ecology
25%
Water quality
23%
student
23%
planning process
21%
education
16%
development model
14%
learning
13%
agricultural production
12%
biofuel
12%
anthropology
11%
habitat
11%
planning
11%
geography
10%
performance
9%
water management
9%
natural resources
9%
land use
8%
management
7%
farm
7%
decision-making process
7%
history
7%
sustainable development
6%
budget
6%
economics
5%
social network
5%
demand
5%
cultural studies
5%