New Zealand: Soils Flashcards
T or F
New Zealand’s soils are generally less than 10,000 years old.
True
What soil types are typically found in the valley floors and terraces of New Zealand?
Alluvial soils play a leading role on valley floors and terraces, providing different combinations of gravel, stone, silt, and sand.
What soil types and aspect are being found to be great for Pinot Noir?
Vineyards are being established on slopes across the country. For example, in Marlborough’s Southern Valleys and Waipara’s Omihi area, the denser, loam-rich soils found on hillsides are more suitable for growing serious Pinot Noir than the alluvial valley floor.
What are the predominant soil types for the Northland GI?
Grey-brown, clay-rich loam sois, subsoils of compact clay, friable volcanic clays at Kerikeri.
What are the predominant soil types for Auckland GI?
Volcanic soils, layered sandstone and mudstone, heavy clays.
What are the predominant soil types for Gisborne GI?
Fine alluvial silt near the Waipaoa River, heavier clay loam in the plains.
What are the predominant soil types for Hawkes Bay GI?
Various
What are the predominant soil types for Wairarapa GI?
Martinborough’s prized soils are shallow silt loams with gravelly sub-soils.
What are the predominant soil types for Nelson GI?
Gravelly silt loams in the Waimea Plains, clay-based soils in Upper Moutere.
What are the predominant soil types for Marlborough GI?
Variable shallow, stony soils and deep sandy loams, clay-based soils on hillside sites.
What are the predominant soil types for Canterbury GI?
Silt loams over gravel in the Canterbury Plains, gravelly soils near the Waipara River, limestone-derived clays in the eastern Waipara region.
What are the predominant soil types for Waitaki North Otago/Waitaki Valley GI?
Waitakian limestone
What are the predominant soil types for Central Otago GI?
Various (broken schist and clay, heavy silt loam, gravel, light sand)?
