soil

related words
tropical
coastal
salt
basin
crop
deposit
warm
irrigation
cave
climate
volcanic
mineral
plain
drought
cold
livestock
desert
rainfall
sediment
continent
related documents
Soil
Soil science
Soil pH
Plough
Deforestation
Soils retrogression and degradation
Soil salinity
Soil life
Organic farming
Crop rotation
Carbon sink
Geotechnical engineering
Fertilizer
Sowing
Earth sheltering
Drainage
Wetland
Hydroponics
Environmental science
Weathering
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{acid, form, water}
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