Abstract
The total dry matter production, grain yield and most grain yield components of dryland wheat crops—growing on gravelly, loamy sands over thick, hardened petroferric horizons—increased with the depth to petroferric horizon.
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Sullivan, L.A. The response of dryland wheat to petroferric horizon depth. Plant Soil 138, 143–145 (1991). https://doi.org/10.1007/BF00011817
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DOI: https://doi.org/10.1007/BF00011817