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Publication Date
1977
Description
Chemical Products Industry in Prahovo in cooperation with agricultural stations in eastern and south-eastern Serbia in the period 1968 to 1974 organized demonstration experiments in 33 locations with the fertilization of natural grassland. The experiments had three variants: I = nonfertilized; II = fertilized with 300 kg/ha of NPK fertilizer 14 : 14 : 14 ; and III = fertilized with 600 kg/ha of the before-mentioned fertilizer. The following results were obtained: Fertilization with 300 kg/ha of NPK fertilizer 14: 14: 14 (active matter 42 kg N, 42 kg P, 42 kg K) increased the yields (compared to the non-fertilized variant) on average for all years and all locations by 2.76 t hay/ha or 110%. Fertilization with 600 kg/ha of NPK fertilizer 14: 14: 14 (active matter 84 kg N, 84 kg P, 84 kg K) increased the yields (compared to the non-fertilized variant) on average for all years and all locations by 4.82 t hay/ha or 193%. Doubled dosage of NPK 14:14:14 offers a larger possibility of the intensification of hay yield than the dosage of 300 kg/ha and thus it is much more suitable for the social and individual agricultural producers' interests.
Citation
Miladinovic, N; Rajkovic, J; and Rukavina, M, "Productive and economic effects of NPK fertilizer utilization on the natural grassland in eastern and south-eastern Serbia" (1977). IGC Proceedings (1977-2023). 42.
(URL: https://uknowledge.uky.edu/igc/1977/sess7/42)
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Productive and economic effects of NPK fertilizer utilization on the natural grassland in eastern and south-eastern Serbia
Chemical Products Industry in Prahovo in cooperation with agricultural stations in eastern and south-eastern Serbia in the period 1968 to 1974 organized demonstration experiments in 33 locations with the fertilization of natural grassland. The experiments had three variants: I = nonfertilized; II = fertilized with 300 kg/ha of NPK fertilizer 14 : 14 : 14 ; and III = fertilized with 600 kg/ha of the before-mentioned fertilizer. The following results were obtained: Fertilization with 300 kg/ha of NPK fertilizer 14: 14: 14 (active matter 42 kg N, 42 kg P, 42 kg K) increased the yields (compared to the non-fertilized variant) on average for all years and all locations by 2.76 t hay/ha or 110%. Fertilization with 600 kg/ha of NPK fertilizer 14: 14: 14 (active matter 84 kg N, 84 kg P, 84 kg K) increased the yields (compared to the non-fertilized variant) on average for all years and all locations by 4.82 t hay/ha or 193%. Doubled dosage of NPK 14:14:14 offers a larger possibility of the intensification of hay yield than the dosage of 300 kg/ha and thus it is much more suitable for the social and individual agricultural producers' interests.
