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Title: | Effect of fertilization system and NO<inf>3</inf>-N distribution on corn yield | Authors: | Latković, Dragana Jaćimović, Goran Malešev, Mirjana Marinković B. Crnobarac, Jovan Sikora V. |
Issue Date: | 1-Jun-2011 | Journal: | Cereal Research Communications | Abstract: | The objectives of the study have been to determine the effects of winter precipitation, NO3-N distribution in the soil profile and their interaction on corn yield in different fertilization systems. Corn yield varied across fertilization systems and winter rainfall in the investigated years (2001-2004). Significantly higher yields were found in variants with manure application in diculture (DC-M-NPK - 12.11 t ha-1) and in monoculture (MC-M-NPK - 9.25 t ha-1). Path coefficients showed that the highest direct positive effects on corn yields were exhibited by NO3-N amounts at soil depths 30-60 cm and 60-90 cm (p = 0.4336** and p = 0.2346**, respectively). Winter precipitation had a direct negative effect on the yield performance (p = -0.1159), however, the downward movement of NO3-N from topsoil (0-30 cm) to deeper soil layers (30-60 and 60-90 cm), whose N levels were directly positively correlated with yield, made the indirect effect of winter precipitation on yield positive. | URI: | https://open.uns.ac.rs/handle/123456789/15611 | ISSN: | 1333720 | DOI: | 10.1556/CRC.39.2011.2.13 |
Appears in Collections: | FTN Publikacije/Publications |
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