01742naa a2200265 a 450000100080000000500110000800800410001902200140006002400520007410000190012624501400014526000090028552009300029465000110122465000230123570000200125870000220127870000190130070000200131970000180133970000200135770000170137770000220139477300600141621861072026-04-06       2026    bl uuuu     u00u1 u    #d  a1385-13147 ahttps://doi.org/10.1007/s10705-026-10468-22DOI1 aCRUZ, P. J. R.  aGrazing intensity and seasonality regulate N cycling via litter and excreta in tropical grass–legume pastures.h[electronic resource]  c2026  aIntegrating forage legumes into grasslands reduces the need for N fertilization, but its effectiveness depends on grazing management. This 2 years study evaluated N cycling in Urochloa brizantha and Arachis pintoi pasture under severe (10 cm stubble height), moderate (15 cm stubble height), and light (20 cm stubble height) grazing intensities. Nitrogen cycling from litter and livestock excreta were assessed. Moderate grazing decreased in 243 kg ha⁻1 existing litter, but increased legume proportion in the litter (13.4%) compared to severe (7.8%). Pre-grazing legume mass was lower under moderate grazing than under light grazing by 785 kg ha⁻1, and post-grazing legume mass under light grazing was 57% greater than the mean value observed under moderate and severe grazing. Moderate grazing led to a lower litter deposition rate but reduced C/N ratios in both existing and deposited litter compared to light grazing.  aCanopy  aPasture management1 aSILVA, D. V. da1 aLIMA, I. B. G. de1 aRAMALHO, I. O.1 aALVES, B. J. R.1 aBODDEY, R. M.1 aHOMEM, B. G. C.1 aPAIVA, A. J.1 aCASAGRAMDE. D. R.  tNutrient Cycling in Agroecosystems, V. 132, N. 21, 2026