Interaction of nitrogen and phosphorus in triticale nutrition in low pH soils | Interakcija azota i fosfora u ishrani tritikalea na zemljistu niske pH vrednosti
2010
Jelic, M., Poljoprivredni fakultet, Zubin Potok (Serbia) | Milivojevic, J., Centar za strna zita d.o.o, Kragujevac (Serbia) | Biberdzic, M., Poljoprivredni fakultet, Zubin Potok (Serbia) | Savic, N., Poljoprivredni fakultet, Zubin Potok (Serbia)
In this paper were investigated influence of applied nitrogen and phosphorus on the yield of triticale, concentration and accumulation of nitrogen and phosphorus in plants and mutual ratio of N/P. The experiment were carried out on the soil type acid vertisol, included five variant of fertilization and control variant. The investigated cultivar of winter triticale was Kg-20. Fertilization of triticale by only N increased the average grain yield by more than 1.5 time, the proportion of N in grain (25-42.6%), and phosphorus for 32.1% while the accumulation of nitrogen and phosphorus in total yield has been manifold increased. Fertilization by phosphorus and nitrogen in comparation to only N application, increased the grain yield about 5.9-12.0% and decreased concentration of N and P in yield, while their accumulation further increased for 4.2-16.8%. Between N and P concentrations in yield and grain yield and accumulation of these two elements and the total yield was found positive and highly significant correlation.
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