Evaluation of the recovery 15n-ammonium nitrate in capim-Marandu grass pasture and corn cultivated in a crop-livestock integration.

摘要

The study aimed at evaluating the total nitrogen accumulation and the nitrogen accumulated in the intercropping corn and B. brizantha evaluating the total nitrogen concentration from the fertilizer ammonium nitrate under different rates (15NH4NO3) applied in the forages plants after corn harvest, and the residual effect of this practice in the following corn crop in the next growing season.