The values of dry matter and sugars in the nectarine cultivars tend to decrease to the minimum or increase to the maximum, depending on the particular cultivar, on the environmental factors, or on the use of fertilizers and the applied agro-technical methods. The values of the chemical properties reach the maximum value during a year characterized by abundant rainfall (800 mm distributed evenly), optimal duration of sunshine and high temperatures (proper to the cultivation of nectarines). The present paper demonstrates that if fertilizers are applied in optimal doses, at the proper time, these values increase. The chemical properties give taste and flavor to nectarines, also increasing their nutritional value. The research was carried out at the tree-vineyard plantation of the University of Agricultural Science and Veterinary Medicine of the Banat Timişoara.
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