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2006, vol. 30, iss. 1, pp. 68-74
Effect of fertilizer application on the chemical composition of vegetables used for the production of the Bag-začin seasoning mixture
University of Novi Sad, Faculty of Agriculture
Projekat Ministarstva nauke Republike Srbije, br. TR-6906: Mineralizacije organske materije - osnova za racionalnu primenu đubriva

Keywords: fertilizers; carrot; onion; minerals; vitamin C; beta carotene; vegetable quality; nutrient ratios
Vegetables are an invaluable part of the human diet. The consumption of fresh, canned or processed vegetables on a daily basis provides man with essential nutrients (minerals, vitamins, proteins, etc), which is why it is highly important that the vegetables eaten by the human population be of good quality. As fertilizer application significantly influences vegetable yields and quality, the objective of our study was to carry out a field trial to determine optimal fertilizer rates and nutrient ratios for application to carrots and onions used for the production of the Bag-začin seasoning mixture. The trial studied how five different rates of fertilizers with different nutrient ratios affected the levels of macroelements (N, P, K, Ca, Mg, and Na), microelements (Fe, Zn, Cu, Mn, and Mo), vitamin C, and beta carotene in carrot and onion. The results showed that increasing fertilizer rates increased the levels of macro- and microelements in carrot and onion dry matter. Treatments 4 and 5 produced higher yields of carrot and onion dry matter than the other fertilization treatments and the control. Balanced fertilizer application had a positive effect on vitamin C and beta carotene contents of the two crop species studied.
Bogdanović, D.M., Ubavić, M., Čuvardić, M.S. (1999) Effect of phosphorus fertilization on Zn and Cd contents in soil and corn plants. Nutrient Cycling in Agroecosystems, 54, str. 49-56
Bogdanović, D.M., Malešević, M., Đurić, V. (2005) Importance of sustainable n-fertilizer application for protein quality in durum wheat (Triticum turgidum Var. durum). Savremena poljoprivreda, vol. 54, br. 3-4, str. 57-61
Kastori, R.R. (2001) Kalijum je neophodan za visok prinos i dobar kvalitet povrća. Basel: International Potash Institute
Robić, R. (1984) Nitrates and greenhouse production. Revue Horticale Suisse, 57 (11), str. 312-316


article language: Serbian
document type: Original Scientific Paper
published in SCIndeks: 02/06/2007

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