Title: Assessment of soil phosphatase activity, phosphorus and heavy metals content depending on the mineral fertilization

Authors: LEMANOWICZ, J., BARTKOWIAK, A.

Keywords: alkaline and acid phosphatase, heavy metals, mineral fertilization, phosphorus, total organic carbon

Abstract: The paper presents the results of research into the activity of alkaline and acid phosphatase, the content of available phosphorus, heavy metals and total organic carbon, against in soil with mineral fertilization only. The first experimental factor was phosphorus, potassium, magnesium, calcium and sulphur fertilization in six fertilizer combinations: 1: (PKMgCaS), 2: (KMgCaS), 3: (PMgCaS), 4: (PKCaS), 5: (PKMgS), 6: (PKMgCa). The second factor was made up of nitrogen fertilization at the rates of: 0, 50, 100, 150, 200, 250 kg∙ha-1 of N. Increasing nitrogen rates and a lack of liming increased the soil acidity inhibiting alkaline phosphatase, decreasing the content of available phosphorus in soil. A lack of phosphorus fertilization resulted in an intensive increase in the activity of both alkaline and acid phosphatase in soil. Due to the experimental factors applied, the content of the heavy metals assayed was as follows: zinc> copper >lead> cadmium.

APA style references: Lemanowicz, J. & Bartkowiak, A. (2016). Assessment of soil phosphatase activity, phosphorus and heavy metals content depending on the mineral fertilization. Scientific Review Engineering and Environmental Sciences, 25 (2), 116-129.

APA style citation in text: The first time citation in text: (Lemanowicz & Bartkowiak, 2016), next citation: (Lemanowicz & Bartkowiak, 2016)

Chicago style references: Lemanowicz, Joanna, Agata Bartkowiak. "Assessment of soil phosphatase activity, phosphorus and heavy metals content depending on the mineral fertilization." Scientific Review Engineering and Environmental Sciences, 72 ser., vol. 25, no 2, (2016): 116-129.

Chicago style citation in text: (Lemanowicz, and Bartkowiak 2016)

Bibtxt style references: @article{Lemanowicz_Bartkowiak_2016_PNIKS, author={Lemanowicz, Joanna and Bartkowiak, Agata}, language={english}, title={Assessment of soil phosphatase activity, phosphorus and heavy metals content depending on the mineral fertilization.}, journal={Scientific Review Engineering and Environmental Sciences}, URL={http://iks.pn.sggw.pl/PN72/A2/art2.pdf}, year={2016}, volume={25 (2)}, number={72}, pages={116-129}}

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