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2007, vol. 44, iss. 1, pp. 285-290
Mineral nitrogen dynamics after the incorporation of Winter cover crops
aUniversity of Novi Sad, Faculty of Agriculture
bInstitute of Field and Vegetable Crops, Novi Sad
Abstract
In the plot trial established at the Rimski Šančevi Experiment Field of the Institute of Field and Vegetable Crops, the influence of different cover crops (forage pea, wheat, and mixture wheat + pea) and mineral N fertilizers (N1 40 kgN/ha and N2 80 kgN/ha) on NO3-n dynamics in soil has been investigated. Winter cover crops were incorporated in spring 2005 and 2006 and after that Sudan grass was sown. The highest content of NO3-M in soil at the end of vegetation period, and the highest yield was measured on the winter forage pea treatment. On the treatments with wheat and crops mixture (wheat + pea) content of NO3-N in soil during the vegetation period was lower in relation to control and other treatments. A positive significant correlation was confirmed between the content of NO3-N in soil at the end of vegetation period and yield of Sudan grass.
References
Baćanović, J., Čuvardić, M. (2006) Organski materijali - izvori mineralnog N i organskog C. Journal of Scientific Agricultural Research, vol. 67, br. 1, str. 57-64
Boldrini, A., Guiducci, M., Benincasa, P., Tosti, G., Tei, F. (2006) Can we modulate N supply and release from green manure crops. in: ESA Congress (IX), Warszawa, Poland, 4-7 septembar, part I, 371-372
Chavez, B., de Neve, S., Hofman, G., Boeckx, P., van Cleemput, O. (2004) Nitrogen mineralization of vegetable root residues and green manures as related to their (bio)chemical composition. European Journal of Agronomy, 21, 161-170
Ćupina, B., Erić, P., Mihailović, V.M., Mikić, A.M. (2004) Značaj i uloga međuuseva u održivoj poljoprivredi. Zbornik radova Instituta za ratarstvo i povrtarstvo, br. 40, str. 419-430
Korsaeth, A., Henriksen, T.M., Bakken, L.R. (2002) Temporal changes in mineralization and immobilization of N during degradation of plant material: Implications for the plant N supply and nitrogen losses. Soil Biology and Biochemistry, 34(6): 789
Molnar, I., Lazić, B. (1993) Zaštita životne sredine i poljoprivreda. Savremena poljoprivreda, Novi Sad, vol. 41, br. 6, str. 13-19
Scharpf, N.C., Wehrmann, H. (1978) N-min Methode auch bei Zuckerruben. Sonderdruck aus Jahrgang, 92, Heft 7, Seite 409
 

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article language: Serbian
document type: Original Scientific Paper
published in SCIndeks: 08/09/2007

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