Virginia Fanpetals (Sida hermaphrodita Rusby) Cultivated on Light Soil; Height of Yield and Biomass Productivity
H. Borkowska1, R. Molas2, A. Kupczyk3
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1Department of Crop Cultivation, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland
2Roman Molas, Jana Matejki 31, 20-430 Lublin, Poland
3Department of Production Engineering, Warsaw Agricultural University, Nowoursynowska 159, 02-776 Warszawa, Poland
Pol. J. Environ. Stud. 2009;18(4):563-568
This paper presents results of research on the impact of two levels of Nitrogen (N) and Phosphorus (P) fertilization use on population, height of plants, and biomass yield of Virginia fanpetals cultivated on light sandy loam, during four consecutive years of research: 2004-07. Results indicate that stem density and height grew systematically during consecutive years of production. Nitrogen treatment did not influence density, but it increased height of plants. A larger quantity and height of stems was observed after using a higher dose of Phosphorus. Virginia fanpetal biomass yield was not affected by different amounts of Nitrogen applied, whereas more intensive Phosphorus treatment resulted in increased biomass yield. In the third and fourth years of production an average yield of dry matter of over 11 t·ha-1 was obtained; energy productivity level was 219.5 GJ·ha-1.
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