Formation and Classification (Leaving Cert Agricultural Science): Flashcards
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4 key components of soil
4 key components of soil
Mineral and rock particles, organic matter, water, air
Ideal soil texture for cultivation (%)
Ideal soil texture for cultivation (%)
40% sand, 40% silt, 20% clay
Definition of loam soil
Definition of loam soil
Equal amounts of sand, silt, and clay
Nitrogen fixation process
Nitrogen fixation process
Converting to and
Rhizobium bacteria relationship
Rhizobium bacteria relationship
Symbiotic with legumes, forms root nodules
Main advantage of sandy soils
Main advantage of sandy soils
Excellent drainage and good aeration
Key problem with clay soils
Key problem with clay soils
Poor drainage and prone to waterlogging
Area of peat soil in Ireland (hectares)
Area of peat soil in Ireland (hectares)
4.6 million hectares
Five soil horizons from top to bottom
Five soil horizons from top to bottom
O, A, B, C, R
N, P, K nutrient roles
N, P, K nutrient roles
Growth, energy, quality
