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Agricultural and Biological Sciences
Nitrogen Fertilizer
100%
Clover
100%
Soil Fertility
66%
Pig
50%
Meta-Analysis
50%
Grassland
50%
Soil Organic Matter
50%
Greenhouse Gas
50%
Long Term Experiments
43%
Cover Crop
33%
Attainable Yield
33%
Mineral Fertilizers
33%
Fertilizer Rates
30%
Common Wheat
26%
Soil Quality
25%
Biodiversity
25%
Crop Production
16%
Spring
16%
Tuber Crops
16%
Environmental Factor
16%
Root Crops
16%
Organic Fertilizer
16%
Uses of Compost
16%
Soil Carbon
16%
Nutrient Management
16%
Sandy Soil
16%
Confidence Interval
16%
Carbon Sequestration
16%
Agricultural Soil
16%
Linear Programming
16%
Silage
15%
Dairy Cattle
12%
Weather
12%
Loamy Sand Soils
10%
Spring Barley
10%
Potassium
10%
Immunology and Microbiology
Microbial Activity
50%
Soil Microflora
33%
Mineralization
16%
Microbial Biomass
16%
Nitrogen Mineralization
16%
Bacterial Population
16%
Carbon Mineralization
16%
Gene Sequence
16%
Microbiome
16%
Leucine
16%
Ribosomal RNA
16%
Bacterium
16%