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Content of mineral nitrogen in soil at the beginning of sorghum development after application of polyolefin-coated urea

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Szydelko-Rabska E., Sowinski J.

Polish Journal of Environmental Studies

2014

tom 23

nr 1

In 2010-12 a field experiment aimed at assessing the content of mineral nitrogen (N-NO₃, N-NH₄) in the tilled layer (0-30 cm) and subsoil (30-60 cm), and the level of nutrition of sucrosorgo were conducted in research in Pawłowice at Wroclaw University of Environmental and Life Sciences. The influence of: urea and polyolefin-coated urea (Meister®), in comparison to the control without fertilizing were studied. The fertilizer was applied before sorghum sowing in doses of 60 and 120 kg N·ha⁻¹. Meister® in comparison to urea, positively influenced the decreasing of N-NO₃ accumulation in both soil layers, with higher N-NH₄ concentrations in the tilled layer.

Ograniczanie wyników

1 Polish Journal of Environmental Studies

1 Sowinski J.

1 Szydelko-Rabska E.

1 2014

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Content of mineral nitrogen in soil at the beginning of sorghum development after application of polyolefin-coated urea