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2012, vol. 36, iss. 1, pp. 81-89
Effects of nitrogen rates and sowing densities on yield of spring oats
aInstitute of Field and Vegetable Crops, Novi Sad
bUniversity of Novi Sad, Faculty of Agriculture
Project:
Modern breeding of small grains for present and future needs (MESTD - 31066)

Abstract
Due to its dietary properties and biologically highly valuable nutritive substances contained in the grain, oats are useful and important in human nutrition and as livestock feed. In comparison with all other small grains except rye, oats have low soil requirements. Although oats can be grown on poorly fertile soils, this crop performs much better on fertile soils. Effects of different amounts of nitrogen fertilizer and different sowing densities on yield performance of three spring oat cultivars (Novosadski golozrni, NS JO 0901 and Slavuj) have been studied at the experiment field of Institute of Field and Vegetable Crops in Novi Sad. The applied N rates were 0, 30, 60 and 90 kg N ha-1, the sowing densities were 350, 450, 550 and 650 viable seeds/m2. Nitrogen was applied after oat emergence. The two-year average yield of oat grain was 4.11 t ha-1. Grain yield of oats was positively correlated with nitrogen rate applied. Since there was no statistically significant difference in grain yields obtained with 60 and 90 kg N ha-1, 60 kg N can be recommended for the agroecological conditions of Vojvodina. The cultivar NS JO 0901 achieved the highest yield (4.97 t ha-1). On average for all cultivars, the sowing density of 550 viable seeds/m2 provided highest yields. In relation to the hulled forms, the hulless form yielded less by 1.92 t ha-1 on average.
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article language: Serbian
document type: Original Scientific Paper
published in SCIndeks: 22/03/2013

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