Wyniki wyszukiwania

Wyszukiwano:
w słowach kluczowych: macronutrient accumulation

Sortuj według:

Ogranicz wyniki do:

Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik

Effect of soil contamination with anthracene and pyrene on yield and accumulation of macronutrients in butter lettuce [Lactuca sativa L.]

100%

Krzebietke S., Sienkiewicz S.

Journal of Elementology

2010

tom 15

nr 4

653-660

Toxic compounds which belong to PAHs are generated during all types of combustion of fuels and other substances as well as a result of natural processes (mineralisation). Products which appear during the above processes eventually reach soil, where they accumulate. The objective of this study has been to evaluate the effect of anthracene and pyrene accumulated in soil on yield, concentration of macronutrients (N, P, K, Mg, Ca, Na) and their uptake by cv. Vilmorin butter lettuce (Lactuca sativa L.) grown under the minimum and 3-fold enriched abundance of substrate. A pot experiment in four replicates was carried out twice in a greenhouse at the University of Warmia and Mazury in Olsztyn, in the spring of 2007 and 2008. Supplementary fertilisation was applied before planting butter lettuce. At the first rate of fertilisation, nitorgen was introduced in a full dose before planting lettuce, but at the triple rate of nutrients in substrate, it was divided into 2/3 of the dose before planting and the remaining 1/3 applied to soil 10 days after planting. Soil contamination with anthracene (ANT) and pyrene (PYR) or their mixture started 10 days after planting lettuce. Soil application of the two PAHs was performed 5 times at five-day intervals until the end of the growing season of lettuce. Determination of macronutrients (N, P, K, Mg, Ca, Na) was accomplished with standard methods after mineralisation (H2SO4 + H2O2) of the plant material dried at 60oC. The determinations were peformed in comparison to certified material (CTA-VTL-2). Increasing the abundance of substrate in nutrients (N, P, K, Mg, Na, Cl) by three-fold led to a 13.7% increase in yield of lettuce heads. The PAH compounds present in the substrate depressed lettuce yield. This tendency was more evident when anthracene rather than pyrene contaminated soil. ANT and PYR depressed the concentration of nitrogen but raised the concentration of calcium in substrate less abundant in nutrients.

Effect of the interaction of nickel stress and sulphur supplementation on the content and accumulation of macronutrients in white mustard (Sinapis alba L.)

84%

Matraszek R., Hawrylak-Nowak B., Chwil M., Chwil S., Rudas M.

Electronic Journal of Polish Agricultural Universities. Series Agronomy

2017

tom 20

nr 2

Ograniczanie wyników

1 Electronic Journal of Polish Agricultural Universities. Series Agronomy

1 Journal of Elementology

1 Chwil M.

1 Chwil S.

1 Hawrylak-Nowak B.

1 Krzebietke S.

1 Matraszek R.

1 Rudas M.

1 Sienkiewicz S.

1 2017

1 2010

Wyniki wyszukiwania

Effect of soil contamination with anthracene and pyrene on yield and accumulation of macronutrients in butter lettuce [Lactuca sativa L.]

Effect of the interaction of nickel stress and sulphur supplementation on the content and accumulation of macronutrients in white mustard (Sinapis alba L.)