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The influence of the composts with the participation of municipal sewage sludge on the available forms of phosphorus in the soil as well as the yield of the seeds of spring rape

100%
Krzywy E., Krzywy-Gawrońska E., Krzywy J., Gutowska I.
Polish Journal of Chemical Technology
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2007
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vol. 9
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issue 4
98-101
EN
The field and laboratory experiment was carried on the brown incomplete soil of the complex of rye good. The obtained results in the yield experiment show that the composts with the participation of municipal sewage sludge increased essentially the yield of the seeds of spring rape in comparison with the control variant. Doubling of the doses of mineral nitric - potassium fertilization against the background of the composts did not have a significant influence on increasing the yield of the seeds of spring rape in comparison with the single doses. The composts with the participation of municipal sewage sludge in the field and laboratory experiment caused a significant increase of the content of the available forms of phosphorus in the soil. As time went by the distribution of the composts in the soil, the content of the available forms of phosphorus increased.
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The effect of sewage sludge composts and potato pulp on uptaking of macroelements by the grain and straw of the spring triticale

100%
Krzywy J., Krzywy E., Krzywy-Gawrońska E., Rozmarynowska M.
Polish Journal of Chemical Technology
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2007
|
vol. 9
|
issue 4
14-17
EN
Taking into consideration the acid pH soil, high content of potassium in relation to nitrogen and phosphorus and the insignificant quantity of heavy metals in the potato pulp and the slight alkaline pH soil as well, high amount of nitrogen and phosphorus in relation to potassium in the municipal sewage sludge, the experiment was carried out in order to define the effect of composts from these waste on uptaking macroelements by the grain and the straw of the Wanad variety spring triticale.The vegetative - pot experiment was carried out on the brown incomplete soil of the slight acid pH (pHKCl 6,1), of the granulometric composition of slight loam (V complex), an average content of available forms of phosphorus and potassium and a high content of magnesium.The obtained results show that the grain and the straw of spring trticale took distinctly more macroelements under the influence the fertilization of the composts with the municipal sewage sludge (30%) and the potato pulp (30%) in comparison with the composts with the 60% participation of the potato pulp. The supplementary mineral fertilization which was used against in comparison to composts, increased uptaking the macroelements by the tested plant. The double dose of composts and mineral fertilizers visibly increased nitrogen, phosphorus, potassium, cooper, magnesium and sulphur absorbance by the grain and the straw of spring trticale in comparison with the series with a single dose of composts and a supplementary mineral fertilization.
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