Abstract
Abstract Solonetzic soils adversely affect crop growth due to their poor structure. Effects of ripping, liming, liming+ripping, and gypsum+ripping on wheat (Triticum aestivum L.) yield and selected characteristics of a Black Solonetz (Kleskun clay) were studied in the Peace River region of northern Alberta, Canada. Wheat yield during the individual seasons, as well as its mean over the four seasons, showed a significant influence of the amelioration treatments. The four‐year means, in decreasing order, were 3.38, 3.24, 3.08, 2.87, and 2.61 Mg ha‐1 for the liming+ripping, gypsum+ripping, ripping, liming, and check, respectively. Influence of the amelioration treatments on the profile characteristics was observed even after five years. Bulk density results indicated some loosening of the 22–54 cm soil due to ripping. In comparison to the check, reduction in electrical conductivity (EC) due to gypsum+ripping, liming+ripping, ripping, and liming was observed to be down to 75, 54, 54, and 38 cm depth, respecti...
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