Agriculture & Biology
polymer-coated urea
50%
potatoes
50%
fumigation
47%
soil fumigation
45%
fumigants
45%
tubers
39%
chloropicrin
37%
nitrogen
36%
metam
36%
soil
33%
microbial activity
33%
phosphorus
23%
soil fumigants
18%
testing
18%
cultivars
18%
planting
14%
signs and symptoms (plants)
10%
Solanum tuberosum
8%
leaching
8%
nonrenewable resources
8%
fertilizers
8%
Verticillium dahliae
7%
plant health
7%
nitrification
7%
microbial communities
6%
community structure
5%
crops
5%
crop yield
5%
food production
5%
Earth & Environmental Sciences
tuber
43%
fumigation
41%
cultivar
39%
potato
37%
soil test
23%
phosphorus
22%
factor productivity
20%
economics
18%
soil
13%
soilborne disease
11%
fertilizer
10%
rate
10%
fumigant
9%
nonrenewable resource
8%
dry matter
7%
food production
6%
limiting factor
6%
field study
5%
Medicine & Life Sciences
Meristem
100%
Zea mays
78%
Population
11%
Stem Cells
7%
Growth
7%
Hybrid Vigor
6%
Inflorescence
6%
