Agriculture & Biology
deficit irrigation
100%
biochar
87%
water use efficiency
80%
irrigation
58%
Carthamus tinctorius
57%
Sorghum (Poaceae)
46%
soil water
45%
water
44%
Pennisetum glaucum
44%
High Plains (United States)
40%
cucumbers
35%
cultivars
35%
weed control
35%
dry environmental conditions
33%
sweet peppers
32%
irrigation management
32%
physiology
29%
forage
29%
biofortification
28%
irrigation rates
28%
corn
27%
pumpkins
26%
eggplants
25%
microgreens
25%
evapotranspiration
24%
cotton
23%
vegetable growing
22%
soilless media
22%
crops
21%
production technology
21%
developmental stages
21%
soil fertility
21%
organic fertilizers
20%
semiarid zones
20%
liquid fertilizers
19%
growth performance
19%
sweetcorn
18%
Cucumis sativus
18%
root growth
18%
Sesamum indicum
18%
biomass
18%
seed yield
16%
tomatoes
16%
leaf characteristics
16%
cover crops
16%
canola
16%
vegetative growth
15%
plant veins
15%
composts
14%
forage yield
13%
ammonium
13%
ascorbic acid
13%
Lavandula intermedia
13%
mineral fertilizers
13%
fruit yield
12%
greenhouses
12%
experimental design
12%
essential oils
12%
silage
12%
herbicides
12%
hardwood
11%
arugula
11%
nutrient content
11%
leaves
10%
bracts
10%
drought
10%
photosynthesis
10%
Cyamopsis tetragonoloba
9%
rooting
9%
reduced tillage
9%
leaf area
9%
plant growth
9%
chopping
9%
cinnamon oil
8%
Earth & Environmental Sciences
irrigation
42%
water use efficiency
41%
cultivar
38%
biochar
31%
soil water
27%
water extraction
22%
plain
20%
maize
20%
crop
20%
millet
19%
sorghum
19%
forage
15%
water
14%
cotton
14%
evapotranspiration
13%
water use
11%
water stress
10%
plant physiology
10%
canola
10%
silage
10%
drought
10%
fruit
10%
productivity
8%
spring water
8%
vitamin
8%
flower
8%
leaf area
8%
fertilizer
8%
soil fertility
7%
vegetable
7%
rhizosphere
7%
literature review
7%
rate
6%
water budget
6%
oil
6%
effect
6%
photosynthesis
6%
crop production
5%
biomass
5%