Researches have been done in the Foeni area, on a black and humid soil type, that is in an iron oxides reduction process, with a week acid reaction in the surface horizon (with a moderate content of nitrogen and phosphor and a high content of potassium). In this study are presented the results obtained on the Spelta Oberkulmer Rotkorn type of wheat, in comparison with the commune Alex type of wheat, which were obtained in different nitrogen fertilization conditions, on a constant content of P80K80.The harvests in the researched domain have varied between 4800 kg/ha and 5600 at the Alex type of wheat and between 4200 kg/ha and 5100 kg/ha at the Oberkulmer Rotkorn type. There have been measurements made concerning the length of the ear, the number of grains per ear and the weight of the grains per ear.The length of the ears has grown, by doubling the dose of nitrogen, from N50 to N100, from 9,08 cm to 9,55  cm at the Triticum aestivum spelta type. The number of spikelets per ear at the Triticum aestivum vulgare type has grown from 19,80, at a nitrogen dose of N50 to 21,20, at a nitrogen dose of  N100 and at the Triticum aestivum spelta type it has grown from 18,70 (N50) to 19,20 (N100). The number of grains per ear has grown at the Triticum aestivum vulgare type from 34,60 (N50) to 37,50 (N100) and at the Triticum aestivum spelta type it has grown from 31,40 (N50) to 34,40 (N100).The weight of grains per ear has grown, by doubling the dose of nitrogen, from1,04g to 1,16g at the Triticum aestivum vulgare type and from 1,01g to1,10g at the Triticum aestivum spelta type.The researches are important because the valorification price of the spelta wheat, on the global market, is at least double as much as the price of the commune wheat, and the population benefits of a great variety of products.

wheat; Triticum aestivum ssp.spelta; fertilization

Presentation: oral