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“Marginal can be considered marginal for many reasons. The reason that it’s classed as that will have a large impact on whether or not it’s all feasible to bring it into annual grain production,” says Lemke. Sandy soils are more likely to leach nutrients such as soil organic nitrogen. Sandy soils and sloping land are also “particularly fragile in terms of soil structure and erosion risks and so on,” Lemke adds. Steep land and sandy soils are drought-prone. Native prairie in southwestern Saskatchewan also has moisture limitations.
metamitya
metamitya
Flawed land?
06/24/17