Agriculture & Biology
lettuce
100%
normal distribution
55%
hydroponics
54%
green leafy vegetables
54%
saponins
48%
lighting
41%
biomass production
41%
growth and development
38%
nutrient film technique
37%
anti-infective agents
36%
greenhouses
33%
Escherichia coli
30%
seedlings
29%
nutrients
28%
horticultural crops
27%
boron
25%
growers
21%
tissues
21%
leaves
20%
magnesium
20%
sulfur
20%
copper
18%
testing
18%
potassium
17%
phosphorus
17%
iron
17%
calcium
14%
growth chambers
14%
nitrogen
13%
plant growth
13%
travel
12%
Yucca schidigera
9%
shade tolerance
9%
head lettuce
9%
Yucca
8%
sampling
8%
biomass
8%
steroid saponins
8%
leaf lettuce
7%
leaf mass
7%
white light
7%
leaf development
7%
mature plants
7%
antifungal agents
7%
photons
6%
allelochemicals
6%
Lactuca sativa
6%
antibacterial properties
6%