highly significantp < 0.01
Concerning the others, a highly statistically significant ( p < 0.01) increase in the content of P was recorded in variants with integrated use of inorganic NPK and organic fertilizer (NPK+NC); in variants with integrated use of biological mixture and organic NC fertilizer (NC+MIX) and of biological mixture and inorganic NPK fertilizer (NPK+MIX), it was observed a highly significant ( p < 0.01) increase in the K content. 3.3.2.