Theme 22: Grazing Management
Publication Date
2001
Location
Brazil
Description
The experiment was conducted at the Experimental Station of Paranavaí/IAPAR-PR-Brazil, from October 1998 to May 1999, to evaluate the effects of N fertilization on Panicum maximum cv. IPR 86 pastures. Four doses of N (0; 150; 300; and 450 kg.ha-1.year-1) were applied to pastures under rotational grazing with grazing cycles (GCs) of 40 days (5 days-grazing and 35 days-rest). It was used a randomized complete block design, with split-plots, and two replications per treatment, being the N-doses studied in the main plots and the GCs in the sub-plots. In all GCs the variables dry matter of available green leaf-blades (GLB) and dry matter of stems + leaf sheaths (GSLS) increased linearly (P< 0.01) with the increase in N-doses during a grazing period of 200 days. The average residual GLB and GSLS were 335; 730; 825; and 837, and 104; 1024; 1817; and 2763 kg.ha-1, respectively for the N-treatments of 0; 150; 300; and 400 kg.ha-1.
Citation
Lugão, S. M. B.; Rodrigues, L. R. de A.; Malheiros, E. B.; Abrahão, J. J. dos S.; and Morais, A. de, "Effects of Nitrogen Fertilization on the Production of Panicum maximum cv. IPR 86 under Grazing" (2001). IGC Proceedings (1985-2023). 30.
(URL: https://uknowledge.uky.edu/igc/19/22/30)
Included in
Agricultural Science Commons, Agronomy and Crop Sciences Commons, Plant Biology Commons, Plant Pathology Commons, Soil Science Commons, Weed Science Commons
Effects of Nitrogen Fertilization on the Production of Panicum maximum cv. IPR 86 under Grazing
Brazil
The experiment was conducted at the Experimental Station of Paranavaí/IAPAR-PR-Brazil, from October 1998 to May 1999, to evaluate the effects of N fertilization on Panicum maximum cv. IPR 86 pastures. Four doses of N (0; 150; 300; and 450 kg.ha-1.year-1) were applied to pastures under rotational grazing with grazing cycles (GCs) of 40 days (5 days-grazing and 35 days-rest). It was used a randomized complete block design, with split-plots, and two replications per treatment, being the N-doses studied in the main plots and the GCs in the sub-plots. In all GCs the variables dry matter of available green leaf-blades (GLB) and dry matter of stems + leaf sheaths (GSLS) increased linearly (P< 0.01) with the increase in N-doses during a grazing period of 200 days. The average residual GLB and GSLS were 335; 730; 825; and 837, and 104; 1024; 1817; and 2763 kg.ha-1, respectively for the N-treatments of 0; 150; 300; and 400 kg.ha-1.
