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Assessing chemical methods for estimating mineralizable nitrogen in Saskatchewan soils
An experiment was conducted to correlate the potentially mineralizable nitrogen (NO) in Saskatchewan soils with chemical extractant. An array of soils (129) representing all soil zones, soil textures and crop management ...
Interpreting potential plant availabitily of N based on soil supply indicies
Soil supply of nitrogen is the most intensively studied of all nutrient cycles. Prior to the widespread use of fertilizers, economically viable agriculture was dependent solely on the soils ability to supply N. From 1945 ...