Landbrug og biologi
foliar application
87%
soil treatment
85%
Zea mays
66%
zinc
64%
grain yield
64%
corn
50%
crops
25%
zinc fertilizers
24%
leaves
21%
sowing date
17%
harvest index
17%
agricultural colleges
17%
vegetative growth
14%
Pakistan
14%
nutrition
12%
fertilizers
12%
flowering
11%
economics
10%
uptake mechanisms
10%
nutrients
9%
cultivars
9%
soil
8%
Medicin og biovidenskab
Zea mays
100%
Soil
87%
Zinc
77%
Fertilizers
62%
Agriculture
23%
Pakistan
22%
Nutrients
17%
Economics
15%
Population
7%
Geo- og miljøvidenskab
maize
71%
zinc
65%
soil
34%
spray
29%
crop
21%
harvest
18%
fertilizer
17%
plant population
13%
sowing
12%
cultivar
12%
nutrition
10%
field experiment
8%
agriculture
7%
nutrient
6%
economics
5%
need
5%
index
5%
parameter
3%
effect
2%