QUANTITY AND DISTRIBUTION OF NITROGEN IN SOIL PROFILE, THE BASIS FOR ACHIEVING OPTIMAL SUGAR BEET YIELD
Marinkovic J. Branko, Crnobarac Ž. Jovan, Jacimovic P. Goran, Marinkovic B. Jelena Latkovic Dragana, Marinkovic B. Duško, Vasilchenko Aleksandr Mihailovich
Pages: 219-228
Published: 1 Jan 2013
Views: 70
Abstract: Sugar beet is a plant species that provides 40 % of world sugar production. Due to its high demand, it is often referred to as “the Queen” of fields. These experiments were conducted on carbonate chernozem soil, subtype on loess, variety moderately deep, with good production properties. This paper shows the effect of precipitations (winter and vegetative), and the amount and distribution of mineral nitrogen in soil profile on sugar beet yield. The results are based on eight year experiments. When soil moisture was low during spring, between 20,5 and 21 %, the yield was in a range from 43,3 to 64,4 t ha-1. The amount of nitrogen in layer 0-120 cm during spring had a significant effect on yield. The difference in yields from 71 kg N ha-1 and 150 kg N ha-1 in spring was in 4,2 t ha-1 of root. Average moisture content in wetter years was between 23,0 and 23,8 %, and yield from 62,5 to 83,5 t ha-1. In this case, the amount of precipitation during vegetation had a dominant influence on yield height. The difference between average yield with low soil moisture and average soil moisture during spring was 18,4 t ha-1 (33 %). When the moisture during spring was 23,7 % and the content of nitrogen (0-120 cm) 189 kg N ha-1 a yield of 79,8 t ha-1 was achieved, and with moisture of 23,3 % (2006) and the amount of nitrogen of 123 kg N ha-1, the yield was 67,8 t ha-1. In this period, the precipitations during vegetation were only 38 l m-2, and the difference in yields was 12,0 t ha-1.
Keywords: sugar beet, yield, mineral nitrogen, winter precipitation
Cite this article: Marinkovic J. Branko, Crnobarac Ž. Jovan, Jacimovic P. Goran, Marinkovic B. Jelena Latkovic Dragana, Marinkovic B. Duško, Vasilchenko Aleksandr Mihailovich. QUANTITY AND DISTRIBUTION OF NITROGEN IN SOIL PROFILE, THE BASIS FOR ACHIEVING OPTIMAL SUGAR BEET YIELD. Journal of International Scientific Publications: Agriculture & Food 1, 219-228 (2013). https://www.scientific-publications.net/en/article/1002954/
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