Zmiany w zawartosci skladnikow pokarmowych w sianie i glebie lakowej w okresie 15-letniego intensywnego nawozenia mineralnego. Cz. 1. Plony i zmiany wlasciwosci gleb.
1988
Czuba R. | Murzynski J.
A grassland situated on alluvial soil was fertilized with 120-600 kg of N, 39-67 kg of P and 199-300 kg of K per ha. After 10 years of fertilization a strong exhaustion of magnesium and copper of the soil was found. High ammonium nitrate rates led to heavy acidification of soil. The P and K rates amounting to 39 and 199 kg/ha, respectively, appeared to be insufficient for the highest yields, more than 10 tons of dry matter per ha.
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