Wpływ zróżnicowanych dawek polepszacza glebowego Soleflor i nawozów mineralnych na skład botaniczny i plonowanie runi trawiasto-bobowatej
Journal Title: Łąkarstwo w Polsce - Year 2015, Vol 18, Issue
Abstract
Research on the effects of different doses and frequency of application Soleflor soil conditioner and phosphorus-potassium fertilizer of applied in sowing grass-legumes mixture were carried out in 2012–2014. Soleflor is a soil improver, which contains in its composition algae extract – complex PHEOFLORE, 11% SO3, 2% gO, 68% CaCO3 (Mezocalc). Soil improver optimizes the management of organic matter, increases activity bacteria present in the soil, accelerates mineralization process and increases the amount of nitrogen and phosphorus available to plants. The analysis of plant material involves the determination of dry matter yield of sward, leaf greenness index (SPAD) and the botanical composition of the sward. The highest yields sward within three years of research were on combinations after using a standard NPK fertilization and additional applications Soleflor soil conditioner at a dose of 600 kg ha–1 applied every two years. Regular use of soil onditioner Soleflor in doses of 300, 400 and 600 kg ha–1 resulted in an increase share in the sward of perennial ryegrass and tall fescue. Soleflor soil improver positive influenced on stability in the sward of timothy grass and white clover, compared to the control object and combination where applied only standard NPK fertilization. The highest index SPAD values in white clover leaf blades were found after the application along with the standard NPK fertilizers additional soil conditioner Soleflor in doses of 400 and 600 kg ha–1.
Authors and Affiliations
Waldemar Zielewicz, Dorota Swędrzyńska, Arkadiusz Swędrzyński
Keywords
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