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The effect of ameliorating doses of hard coal fly ash (HCFA) on chemical properties of soil and on yields and chemical composition of crops was examined based on an experiment established in 1984. At first, typical agricultural crops were grown in the experiment, but in 1992 the field was turned into permanent grassland. The current study took place twenty-nine years after hard coal fly ash had been...
Copper is an essential trace element in living organisms, but its excess interferes with metabolic transformations in plant, animal and human cells. The uptake of copper from contaminated soils can be regulated, for example, by soil liming or application of other substances which enhance soil adsorption capacity and Cu binding in the substrate. The purpose of this study has been to assess the response...
Uzyskane wyniki badań wskazują, że zawartość skrobi w bulwach ziemniaka uprawianej odmiany była w mniejszym stopniu uzależniona od nawożenia potasowego, a w większym stopniu zależała od okresu przechowywania i od warunków meteorologicznych panujących w latach uprawy. Nawożenie siarczanem potasu w dawce wyższej niż 99 kg K·ha-1 powodowało spadek zawartości skrobi. W okresie przechowywania na skutek...
Badania wykonano w oparciu o doświadczenie polowe założone w 1984 roku, w którym stosowano nawożenie lotnymi popiołami z węgla kamiennego w dawkach od 0 do 800 Mg∙ha-1. Popioły aplikowano na tle dodatków organicznych w postaci obornika, słomy i kory drzewnej. W pierwszych latach badań na poletkach uprawiano tradycyjne rośliny rolnicze. Od 1992 roku pole stanowiło trwały użytek zielony (trawy), nienawożony...
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