The effects of mineral treatment and the amendments by organic and organomineral fertilisers on the crop yield, plant nutrient status and soil properties

K. Gondek and B. Filipek-Mazur
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K. Gondek: H. Kołłątaj Agricultural University of Cracow, Poland
B. Filipek-Mazur: H. Kołłątaj Agricultural University of Cracow, Poland

Plant, Soil and Environment, 2005, vol. 51, issue 1, 34-45

Abstract: The studies were carried out as a pot experiment comprised of mineral treatments with farmyard manure, slurry and liquid organomineral fertiliser (Damishum) and finally the unfertilised control. Mineral fertilisation and liquid organomineral fertiliser better affected the crop yield in comparison with organic treatments in the first year of the experiment, whereas in the subsequent two years with a consecutive affect of organic fertilisers. According to the expectations the biggest nitrogen concentrations were found in crops receiving mineral treatment and organomineral fertiliser. Phosphorus content depended on crop species and applied fertiliser. Potassium and magnesium contents immediately after treatment were the highest in the objects receiving organic treatment (farmyard manure and slurry). In the subsequent years no visible tendency in both element contents was noticed. Among the cultivated crops rape revealed the biggest amounts of cadmium in the above ground parts. Lead concentrations in the above ground parts of the cultivated crop did not reveal any diversification among the objects. Copper accumulated mainly in the crop root systems, except rape, whereas zinc concentration depended on the plant species and applied fertilisation. The treatment caused a decrease in the soil pH and an increase in hydrolytic acidity value. Mineral and organomineral fertilisation caused a pronounced decline in organic carbon content in the soil, whereas farmyard manure raised it. Similar dependencies were found for the total nitrogen concentrations. The applied treatment increased the contents of mobile forms of cadmium, lead and zinc but had no significant effect on changes of mobile copper form contents.

Keywords: fertilisation; plant; yield; chemical composition; macroelements; heavy metals (search for similar items in EconPapers)
Date: 2005
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DOI: 10.17221/3553-PSE

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