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The complementary roles of potassium and phosphorus in the fertilization of permanent pasture. Part 2. K and P concentrations in forage and availability in the soil at the end of the experiment

, : The complementary roles of potassium and phosphorus in the fertilization of permanent pasture. Part 2. K and P concentrations in forage and availability in the soil at the end of the experiment. Annali della Facolta di Agraria, Universita Cattolica del Sacro Cuore Milano 35(1/2): 35-58

In a field experiment in 1983-86 near Piacenza, Italy, permanent pasture was given 0, 100, 300 or 500 kg N ha-1 year-1 and 124.5 kg K or 65.5 kg P ha-1 year-1. In the second 2-year period, treatment with K or P increased the uptake and concentration in the forage of the respective element. At the end of the experiment, soil pH (6.90 at the start) had decreased in relation to N rate.

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