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Agricultural and Biological Sciences
Allelopathy
100%
Asparagus
76%
Vicia villosa
69%
NMR Spectroscopy
63%
Allelochemical
46%
Bioassay
35%
Monocropping
33%
Andosol
32%
Rhizosphere
29%
Capra
27%
Grassland
27%
Villosa
24%
Soil Chemical Properties
23%
Crop Production
23%
Soil Erosion
20%
Soil Profile
19%
Soil Water
19%
Activated Carbon
18%
Alluvial Soil
16%
Buckwheat
16%
Spiraea
16%
Biosynthesis
16%
Mucilage
15%
Mycobacterium Bovis BCG
15%
Xylem
15%
Urea
15%
Callus
15%
Sap
14%
Gas Chromatography
14%
Potassium
14%
Mass Spectrometry
13%
Soil Organic Carbon
12%
Robinia
11%
Acacia
11%
Carbon Dioxide
11%
Apoplast
10%
Phytosiderophore
10%
Silicon Dioxide
10%
Soil Acidity
10%
Humic Acid
9%
Volcanic Ash Soils
9%
Glucoside
9%
Fulvic Acid
8%
Acid Soil
8%
Soil Organic Matter
8%
Soil Classification
8%
Grains
8%
Plant Litter
7%
Soil Solution
7%
Prescribed Burning
7%
Chemistry
NMR Spectroscopy
54%
Aluminum
42%
Plant Growth
40%
Absolute Configuration
38%
Cyanamide
30%
Allelochemical
27%
Pheromone
26%
Oxalic Acid
25%
Humic Acid
23%
Propionic Acid
23%
Naphthalene
23%
1H NMR Spectroscopy
21%
Bioassay
17%
Anisotropy
17%
Gas Chromatography Mass Spectrometry (GCMS)
17%
Detoxification
16%
Pyruvate
16%
Cis-Cinnamic Acid
15%
Biochar
15%
Hematocrit
15%
Sex Pheromone
15%
NMR Spectrum
13%
Oxalate
11%
formation
11%
Molecular Mass
10%
High Performance Liquid Chromatography
10%
Citric Acid
9%
Chemical Shift
8%
Acetate
8%
Structure-Activity Relationship
8%
Nitrogen Atom
8%
Soil
7%
Pyrolysis
7%
L-Canavanine
7%
Propanediol
7%
Bioactivity
7%
Soil Organic Matter
7%
Potassium Chloride
7%
Plant Growth Regulator
7%
Ketone
7%
Activated Carbon
7%
Iturin A
7%
Galactosamine
7%
Vegetable Oil
7%
Proton-Induced X-Ray Emission
7%
Liquid Chromatography
7%
Fast Pyrolysis
7%
Simetryn
7%
Organic Carbon
7%
Alkaloid
7%
Earth and Planetary Sciences
Volcanic Ash
38%
Capra
33%
Isotopic Ratio
23%
Gas Chromatography Mass Spectrometry
23%
Soil Organic Matter
23%
Japan
21%
Humic Acid
20%
Nuclear Magnetic Resonance
18%
Humic Substance
16%
Plant Specie
16%
Organic Matter
16%
C4 Plant
14%
Biosynthesis
11%
Soil Horizon
11%
Grassland
11%
Nitrogen
10%
Eolian Deposit
10%
Soil Chemical Property
10%
Fulvic Acid
9%
Leaf Litter
9%
Introduced Species
8%
Pedogenesis
8%
Soil Surface
7%
Soil Organic Carbon
7%
Volcano
7%
Soil Nutrient
7%
Phytotrons
7%
Environmental Stress
7%
Humification
7%
Aboveground Biomass
7%
Holocene
7%
Rain Water
7%
Oxide
7%
Laacher See Tephra
7%
Fractionation
7%
Organic Carbon
7%
Federated States of Micronesia
7%
Agricultural Soil
7%
Soil Acidification
7%
Island Ecosystem
7%
Potassium Chloride
7%
Invasive Species
7%
Isotope Ratios
7%
DTPA
7%
Potassium
7%
Species Evaluation
7%
C3 Plant
7%
Oxalic Acid
6%
Oxalate
6%
Animal Species
5%