01085naa a2200193 a 450000100080000000500110000800800410001910000180006024501270007826000090020552005310021465000140074565000100075965000080076965300190077765300190079670000160081577300600083113658182012-01-02       1974    bl ---       0--  u    #d1 aPOWELL, R. D.  aEffects of high rates of fertilizer N, P, and K on corn, Zea mays L., leaf nutrient concentrations.h[electronic resource]  c1974  aThe leaf concentrations of N, P, and K were primarily influenced by the respective fertilizer nutrient, except P, which also was influenced by the fertilizer N. Increasing rates of the nutrient well above those recommended for normal corn production increased the leaf nutrient concentrations, but not yields after the first increment of fertilizer. The effect of dry weather reduced yields 0.7 quintals per hectare per day and also was negatively correlated with the leaf N and leaf P concentrations (0.01 probability level).  anutrients  aMilho  aNpk  aConcentração  aFertilização1 aWEBB, J. R.  tSoil Science and Plant Analysisgv. 5, p. 93-104, 1974.