Earth & Environmental Sciences
shoot
100%
hydroponics
86%
environmental factor
51%
nitrate
45%
nutrient medium
44%
photoperiod
42%
growth response
39%
environmental stress
36%
environmental control
36%
light intensity
35%
control system
30%
data acquisition
29%
relative humidity
27%
air temperature
24%
experiment
24%
environmental conditions
24%
software
20%
nitrogen
18%
gas
15%
temperature
11%
Agriculture & Biology
sulfur dioxide
74%
plant growth
67%
hydroponics
63%
environmental factors
60%
shoots
59%
nitrates
52%
growth chambers
33%
air temperature
28%
light intensity
28%
relative humidity
27%
photoperiod
25%
carbon dioxide
24%
gases
23%
nutrients
18%
nitrogen
18%
temperature
12%