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- Plant-soil relationships.2
- Polysaccharides.2
- Bacteriology, Agricultural.1
- Beans--Diseases and pests.1
- Carbon dioxide.1
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- Spoil banks--Testing.1
- Plant-soil relationships.2
- Polysaccharides.2
- Bacteriology, Agricultural.1
- Beans--Diseases and pests.1
- Carbon dioxide.1
- Cercopidae.1
- Fire-blight.1
- Insects--Microbiology.1
- Plant exudates.1
- Plants--Nutrition.1
- Plants--Secretion.1
- Revegetation.1
- Rhizosphere.1
- Soil fungi.1
- Soils--Testing.1
- Spoil banks--Composition.1
- Spoil banks--Testing.1