PHOSPHORUS SPRING FERTILIZATION IN THE OIL SEED RAPE

The purpose of this experimentation is to find a solution to the situations in which, for various reasons, there was no phosphorus fertilisation before sowing. The experiment was conducted in Murgeanca village, Ialomita district, in the S.C Farmnet S.R.L. exploitation. The methodology used was the one described in the CETIOM brochure, "Guide de l'experimentateur colza". By applying 250 kg/ha of complex fertilisers containing 10% N, 20% P2O5 and 30% SO3, the number of pods has increased significantly with 45%, reaching up to 5000 pods/m(2). In the literature, this is considered the threshold from which satisfactory productions can be obtained. Also, the sole application of nitrogen determined the non significant growth in the number of pods, but in this case, the number of pods slightly exceeded 4000 pods/m(2).