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Development and calibration of the DRIS (diagnosis and recommendation integrated system) norms for white clover


, : Development and calibration of the DRIS (diagnosis and recommendation integrated system) norms for white clover. Papers presented at a Research Meeting at the Welsh Agricultural College, Aberystwyth, 13-15 September 1988 (Session III paper 6): 2

Trifolium repens and whole herbage DRIS norms including N, P, K, S, Ca, Mg, Fe, Mn, Cu and Zn were derived from samples taken from field fertilizer trials at 7 locations in the Basque country.

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