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EFFECT OF BALANCED NITROGEN FERTILIZATION IN FOUR- YEAR ROTATION ON PLANT PRODUCTIVITY

Witold SZCZEPANIAK
Przemyslaw BARLÓG
Remigiusz LUKOWIAK
Katarzyna PRZYGOCKA-CYNA

Puni tekst: engleski, PDF (370 KB) str. 0-0 preuzimanja: 473* citiraj
APA 6th Edition
SZCZEPANIAK, W., BARLÓG, P., LUKOWIAK, R. i PRZYGOCKA-CYNA, K. (2013). EFFECT OF BALANCED NITROGEN FERTILIZATION IN FOUR- YEAR ROTATION ON PLANT PRODUCTIVITY. Journal of Central European Agriculture, 14 (1), 0-0. Preuzeto s https://hrcak.srce.hr/98329
MLA 8th Edition
SZCZEPANIAK, Witold, et al. "EFFECT OF BALANCED NITROGEN FERTILIZATION IN FOUR- YEAR ROTATION ON PLANT PRODUCTIVITY." Journal of Central European Agriculture, vol. 14, br. 1, 2013, str. 0-0. https://hrcak.srce.hr/98329. Citirano 26.10.2021.
Chicago 17th Edition
SZCZEPANIAK, Witold, Przemyslaw BARLÓG, Remigiusz LUKOWIAK i Katarzyna PRZYGOCKA-CYNA. "EFFECT OF BALANCED NITROGEN FERTILIZATION IN FOUR- YEAR ROTATION ON PLANT PRODUCTIVITY." Journal of Central European Agriculture 14, br. 1 (2013): 0-0. https://hrcak.srce.hr/98329
Harvard
SZCZEPANIAK, W., et al. (2013). 'EFFECT OF BALANCED NITROGEN FERTILIZATION IN FOUR- YEAR ROTATION ON PLANT PRODUCTIVITY', Journal of Central European Agriculture, 14(1), str. 0-0. Preuzeto s: https://hrcak.srce.hr/98329 (Datum pristupa: 26.10.2021.)
Vancouver
SZCZEPANIAK W, BARLÓG P, LUKOWIAK R, PRZYGOCKA-CYNA K. EFFECT OF BALANCED NITROGEN FERTILIZATION IN FOUR- YEAR ROTATION ON PLANT PRODUCTIVITY. Journal of Central European Agriculture [Internet]. 2013 [pristupljeno 26.10.2021.];14(1):0-0. Dostupno na: https://hrcak.srce.hr/98329
IEEE
W. SZCZEPANIAK, P. BARLÓG, R. LUKOWIAK i K. PRZYGOCKA-CYNA, "EFFECT OF BALANCED NITROGEN FERTILIZATION IN FOUR- YEAR ROTATION ON PLANT PRODUCTIVITY", Journal of Central European Agriculture, vol.14, br. 1, str. 0-0, 2013. [Online]. Dostupno na: https://hrcak.srce.hr/98329. [Citirano: 26.10.2021.]

Sažetak
Increased nitrogen use efficiency, NUE, in crop plant production is the main challenge for agriculture in this century. Any success in this objective achievement requires to take into account not only phosphorus and potassium but also secondary nutrients, such as magnesium and sulfur, at least. In order to check this hypothesis a series of annual field experiments were conducted in 2005, 2006, 2007 and 2006, testing in the four course rotation response of following crops: maize ? spring barley ? winter oil-seed rape ? winter wheat to increasing level of nitrogen nutritional balance imposed by set of treatments comprised potassium and magnesium. The obtained results clearly indicated on maize as the most productive crop, irrespective of the imposed fertilizing system. The highest yields of the tested crops were harvested on plots fertilized with NPK and Kieserite, provide that potassium was applied as Korn-Kali. Effects of the imposed systems of fertilizer N balancing have been assessed by means of two NUE indices, such as: (i) partial factor productivity of fertilizer nitrogen (PFPN) and agronomic net efficiency of fertilizer nitrogen (AEN). Both indices were useful in making a reliable evaluation of tested treatments, but the AEN was more conspicuous as a NUE index. The most pronounced effect of the applied nutrients on yield development was through improvement of kernel/grain number per plant. This fact indirectly stresses on the importance of the period extending from the stage of ear growth to the stage of kernel/grain growth as decisive for final grain yield establishment. The net balance of plant available potassium and phosphorus showed that their net surplus with respect to yield response was negative, in turn indicating on magnesium as a nutrient required to reach nutritional balance of N, P, K in high-yielding crops.

Ključne riječi
balance in soil; aen; magnesium; nitrogen efficiency; pfpn; potassium

Hrčak ID: 98329

URI
https://hrcak.srce.hr/98329

Posjeta: 726 *