Earth & Environmental Sciences
yield response
89%
Mediterranean environment
87%
wheat
56%
fertilizer
53%
phosphorus
44%
crop
44%
fertilizer application
10%
growing season
8%
trial
7%
effect
6%
rainfall
5%
cost
4%
soil
3%
experiment
3%
rate
2%
Medicine & Life Sciences
Lens Plant
100%
Fertilizers
96%
Triticum
75%
Phosphorus
65%
Syria
9%
Soil
6%
Costs and Cost Analysis
3%
Agriculture & Biology
phosphorus fertilizers
74%
Mediterranean climate
71%
lentils
70%
wheat
39%
crops
25%
fertilizers
10%
phosphorus
10%
Syria
8%
Lens culinaris
8%
residual effects
7%
fertilizer application
6%
growing season
5%
rain
5%
soil
3%
Business & Economics
Phosphorus
93%
Wheat
72%
Fertilizer
68%
Crops
63%
Syria
12%
Soil
10%
Cost of Production
9%
Direct Effect
7%
Experiment
5%
Social Sciences
Syria
22%
experiment
12%
costs
11%