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This study was conducted during the 2017 and 2018 rainy season at the Crop Production Research farm, Abubakar Tafawa Balewa University, Bauchi to determine the effects of plant mixture ratios in Brachiaria ruziziensis and Centrosema pascuorum (100% Sole B. ruziziensis, 75% B.R: 25% C.P, 50% B.R: 50% C.P, 25% B.R: 75% C.P and 100% Sole C. pascuorum) and phosphorus fertilizer (SSP) levels (0, 100 and 150kg/ha). The experiment was in a split-plot design with 5x3 factorial arrangement in which the mixture ratios constituted the main plots while phosphorus (SSP) levels constituted the sub treatments. Number of plants per stand ranged from 6.11 in 25% B.R: 75% C.P to 9.56 in 100% B. ruziziensis and 2.89 in 75% B.R: 25% C.P to 11.11 in 50% B.R: 50% C.P. The highest plant height for B. ruziziensis was obtained in 25% B.R: 75% C.P (38.0). Similarly, 25% B.R: 75% C.P mixture had highest plant height for C. pascuorum (45.11). However, tiller per branch per m2 ranged from 57.60 in 25% B.R: 75% C.P to 190.9 in 100 B. ruziziensis and 32.9 in 75% B.R: 25% C.P to 257.90 in 100 C. pascuorum. The mean values indicated that mixture ratios and phosphorus (SSP) levels significantly (P < 0.05) increased plant height and tiller numbers in B. ruziziensis and C. pascuorum mixtures and 75% B.R: 25% C.P mixture, 150kg/ha Single Super Phosphate fertilization and sampling period at week 8 had the best plant height and tiller per branch.

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Growth components and Yield of Brachiaria ruziziensis (Congo grass) and Centrosema pascuorum (Centro) Mixtures as Influenced by Mixture Ratios, Phosphorus Levels and Stage of Harvest

This study was conducted during the 2017 and 2018 rainy season at the Crop Production Research farm, Abubakar Tafawa Balewa University, Bauchi to determine the effects of plant mixture ratios in Brachiaria ruziziensis and Centrosema pascuorum (100% Sole B. ruziziensis, 75% B.R: 25% C.P, 50% B.R: 50% C.P, 25% B.R: 75% C.P and 100% Sole C. pascuorum) and phosphorus fertilizer (SSP) levels (0, 100 and 150kg/ha). The experiment was in a split-plot design with 5x3 factorial arrangement in which the mixture ratios constituted the main plots while phosphorus (SSP) levels constituted the sub treatments. Number of plants per stand ranged from 6.11 in 25% B.R: 75% C.P to 9.56 in 100% B. ruziziensis and 2.89 in 75% B.R: 25% C.P to 11.11 in 50% B.R: 50% C.P. The highest plant height for B. ruziziensis was obtained in 25% B.R: 75% C.P (38.0). Similarly, 25% B.R: 75% C.P mixture had highest plant height for C. pascuorum (45.11). However, tiller per branch per m2 ranged from 57.60 in 25% B.R: 75% C.P to 190.9 in 100 B. ruziziensis and 32.9 in 75% B.R: 25% C.P to 257.90 in 100 C. pascuorum. The mean values indicated that mixture ratios and phosphorus (SSP) levels significantly (P < 0.05) increased plant height and tiller numbers in B. ruziziensis and C. pascuorum mixtures and 75% B.R: 25% C.P mixture, 150kg/ha Single Super Phosphate fertilization and sampling period at week 8 had the best plant height and tiller per branch.