Bulgarian Journal of Agricultural Science
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Effect оf different fertilizer rates on some quantitative parameters of maize in pot experiment with alluvial-meadow soil
Zdravka Petkova, Lyuba Nenova, Tsetska Simeonova, Maya Benkova, Martin Nenov, Ilianа Gerassimova, Ani Katsarova, Irena Atanassov
Abstract: The aim of the present study was to evaluate the effect of interaction between different rates of fertilizers: nitrogen, phosphorus, potassium and silicon on the vegetation of Maize (Zea mays L.), medium-early hybrid – Pioneer 8834 from FAO group 310. The experiment includes 16 variants of fertilization with 3 replications. The plant height on the 30th, 37th, and 47th day from the beginning of the vegetation and yield of fresh and dried biomass from the aboveground part and the roots of the crop at harvest were studied.
According to the results, the agronomic characteristics were affected significantly by treatments. The established trends on plant height during the vegetation period of maize correlate with the data for the yield of fresh biomass. To sum up, the leading role of nitrogen stands out in treatments with the high rate of nitrogen, low rate of phosphorus and silicon.
Keywords: fertilizer rates; maize; nitrogen; phosphorus potassium and silicon
Date published: 2021-10-19
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