Availability to corn of nutrients in the A2 and B horizons of Hillsdale loam
1933
Millar, C.E.
In general, the data indicate that the inferior growth of corn in soil from the A and B horizons of the soil studied is due very largely to a lack of available nutrients and that very large quantities, particularly of phosphorus, must be added to satisfy the adsorptive capacity of the soil and make plant growth commensurate with that obtained when surface soil is used.
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