Soil nutrient stratification and uptake by wheat after seven years of conventional and zero tillage in the Northern Grain belt of Canada

• Published in: Canadian Journal of Soil Science
• Main Authors: Lupwayi, N Z, Clayton, G W, O’Donovan, J T, Harker, K N, Turkington, T K, Soon, Y K
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 2006
• Subjects: Canada; Fort Vermilion; Rapa
• Online Access: http://dx.doi.org/10.4141/s06-010; http://www.nrcresearchpress.com/doi/pdf/10.4141/S06-010

The distribution of NaHCO 3 -extractable nitrate-N, ammonium-N, phosphorus (P) and potassium (K) with soil depth (0 to 20 cm in 5-cm increments) at Fort Vermilion (58°23′N 116°02′ W), Alberta, was described in the 7th and 8th years of conventional and zero tillage following placement of red clover (...