In the work it is presented the dynamics of the nitric nitrogen to the wheat culture from a chernozem soil, under the influence of different doses of nitrogen, on an invariably found of phosphorus and different working of the soil. It has been noticed the increase of the nitric content of the soil once the doses of the fertilizers have been increased too, depending on the vegetation stages of the culture during the gathering of samples for the analyse.

nitrogen doses; wheat culture; fertilization; non-irrigation; agricultural work

Presentation: oral