The Effect of Combining N-Fertilization with Urease Inhibitors and Biological Preparations on Maize Biological Productivity

After evaluating the ecological and economic aspects, it is predicted that use of urease inhibitors biological preparations should reduce risk nutrient leaching by using fertilizers containing amide, ammonium, nitrate forms nitrogen would increase efficiency. Moreover, with lower fertilizer rates, be possible to achieve or even planned maize biomass yield. The field experiment was performed in 2019–2021 at Experimental Station Vytautas Magnus University Agriculture Academy. soil experimental Endohipogleyic-Eutric Planasol. aim this study investigate effect combination on productivity aboveground (Zea mays L.) biomass. A two-factor carried out: factor included rates (1) 100 kg N ha−1, (2) 140 (3) 180 ha−1; B no (UIs) (BPs) (control), inhibitor ammonium thiosulphate (UI ATS), URN)—N-Butyl-thiophosphorus triamide (NBPT), (4) preparation suspension humic fulvic acids (BP HUM); (5) FIT) Ascophyllum nodosum studies showed dry matter yield significantly increased not only increasing but also UIs BPs. highest (24.1 t ha−1) obtained N180 UI ATS. ATS all fertilization backgrounds. BPs tested had a greater significant (p < 0.05) N100 N140 fertilizer. Increasing up positive yields part maize, its cobs, leaves, stems. Positive, moderate, strong, very strong correlations were found most cases between latter variables. These statistically (r2 = 0.62–0.98). efficiency fertilizer; therefore, (N100 N140) could used produce same as high rate (N180).