## Antônio Augusto Rocha Athayde ## ## Em consorcio com gramíneas ou cultivadas exclusivamente, as ## leguminosas tropicais tem sido objeto de estudos visando a economia ## do uso de fertilizantes e melhor valor nutritivo da forragem, no ## entanto a baixa persistência de leguminosas consorciadas com gramínea ## tem sido considerada limitante a continuidade e adesão ao uso desta ## tecnologia. O objetivo deste trabalho foi avaliar efeitos de ## adubação, na persistência de leguminosas em consórcio. Usou-se ## Stylosanthes cvs. Mineirão (SM) e Campo Grande (SCG) e, Arachis ## cvs. Amarilo (AA) e Belmonte (AB) em consórcio com Cynodon coastcross ## (TESTEM). Os cortes foram realizados quando o coastcross atingia ## 0,30m. ## ## Experimento que avalia o consórcio de gramineas com leguminosas e ## combinação com a adubação e ao longo dos cortes da leguminosa. O ## experimento está em blocos com arranjo de parcela subdividida. A ## combinação dos fatores consórcio (cons) e adubação (adub, s=sim e ## n=não) foram aleatorizados dentro dos blocos e os cortes consecutivos ## são as subparcelas. Os níveis de consórcio foram testemunha (Cynodon ## coastcross sozinho) e duas representantes do Stylosanthes e duas do ## Arachis. Registou-se as seguintes variáveis. ## ## calcio: niveis percentuais na ms, dos cortes de 2 -7 ## fosforo: níveis percentuais na ms, dos cortes de 2 - 7 ## mm: Matéria mineral, niveis percentuais de materia mineral 2-7 ## fdn: Fibra em detergente neutro percentuais cortes de 4-7 ## fda: Fibra em detergente acido percentuais cortes 2-7 ## divms: Digestibilidade in vitro da materia seca cortes de 3-7 ## pb: Niveis percentuais de proteina bruta cortes de 2-7 ## alt: Altura média de plantas (m) valiada no corte 7 ## prdms: Produção de materia seca por hectare cortes de 2-7 ## prdmv: Produção de materia verde por hectare cortes de 2-7 ## corte trat cons adub bloc calcio fosforo mm mo fdn fda divms pb alt 2 2 AA s I 1.93 0.18 9.54 90.46 NA 62.93 NA 13.93 NA 2 3 AB s I NA NA 6.34 93.66 NA 47.53 NA 11.87 NA 2 4 CG s I 1.76 0.17 5.27 94.73 NA 45.34 NA 13.91 NA 2 5 SM s I 1.40 0.15 4.68 95.32 NA 55.94 NA 14.50 NA 2 7 AA n I 1.97 0.23 6.15 93.85 NA 71.72 NA 14.58 NA 2 8 AB n I NA 0.15 6.98 93.02 NA 40.32 NA 11.39 NA 2 9 CG n I 1.40 0.12 7.30 92.70 NA 48.54 NA 13.24 NA 2 10 SM n I 1.49 NA 8.72 91.28 NA 55.67 NA 0.00 NA 2 2 AA s II 1.93 0.22 9.69 90.31 NA 60.78 NA 14.92 NA 2 3 AB s II 1.01 0.21 6.87 93.13 NA 57.00 NA 12.00 NA 2 4 CG s II 1.32 0.21 6.12 93.88 NA 42.82 NA 10.52 NA 2 5 SM s II 1.42 0.13 7.05 92.95 NA 37.76 NA 11.79 NA 2 7 AA n II 1.79 0.18 9.16 90.84 NA 59.81 NA 14.09 NA 2 8 AB n II 1.26 0.19 6.93 93.07 NA 38.98 NA 10.77 NA 2 9 CG n II 1.43 0.11 7.52 92.48 NA 44.82 NA 12.10 NA 2 10 SM n II NA NA 8.23 91.77 NA 54.02 NA 14.03 NA 2 2 AA s III 1.62 0.24 12.24 87.76 NA 71.80 NA 12.04 NA 2 3 AB s III 0.83 0.21 4.88 95.12 NA 36.00 NA 10.15 NA 2 4 CG s III 1.39 0.15 7.80 92.20 NA 37.36 NA 11.23 NA 2 5 SM s III 1.28 0.17 7.23 92.77 NA 37.86 NA 14.10 NA 2 7 AA n III 1.67 0.26 11.18 88.82 NA 59.80 NA 12.33 NA 2 8 AB n III 0.94 0.24 13.89 86.11 NA 38.56 NA 11.58 NA 2 9 CG n III 1.49 0.14 9.63 90.37 NA 39.94 NA 12.52 NA 2 10 SM n III 1.28 0.13 9.33 90.67 NA 43.52 NA 12.20 NA 3 2 AA s I 1.42 0.19 10.70 89.30 NA 54.40 60.67 15.93 NA 3 3 AB s I 0.77 0.17 8.55 91.45 NA 71.40 62.23 12.02 NA 3 4 CG s I 1.24 0.15 7.53 92.47 NA 63.00 55.40 12.66 NA 3 5 SM s I 1.00 0.12 6.40 93.60 NA 43.80 41.39 13.97 NA 3 7 AA n I 0.93 0.10 7.46 92.54 NA 53.00 40.12 10.99 NA 3 8 AB n I 1.17 0.14 8.70 91.30 NA 62.40 43.59 10.99 NA 3 9 CG n I 1.31 0.13 6.80 93.20 NA 64.00 49.40 11.36 NA 3 10 SM n I 1.25 0.17 9.52 90.48 NA 68.40 60.80 13.36 NA 3 2 AA s II 1.46 0.2 9.17 90.83 NA 75.80 61.23 13.07 NA 3 3 AB s II 0.84 0.18 8.05 91.95 NA 59.60 52.77 13.04 NA 3 4 CG s II 1.00 0.15 6.25 93.75 NA 60.00 50.69 11.98 NA 3 5 SM s II 1.19 0.15 6.96 93.04 NA 47.20 46.81 14.18 NA 3 7 AA n II 1.25 0.17 10.98 89.02 NA 82.60 57.43 13.17 NA 3 8 AB n II 0.87 0.16 7.14 92.86 NA 62.40 60.04 13.19 NA 3 9 CG n II 1.11 0.11 6.49 93.51 NA 57.60 56.75 13.32 NA 3 10 SM n II 1.14 0.17 6.67 93.33 NA 28.00 49.00 14.87 NA 3 2 AA s III 1.43 0.21 8.58 91.42 NA 72.20 60.67 13.72 NA 3 3 AB s III 0.96 0.22 7.43 92.57 NA 68.80 54.76 14.29 NA 3 4 CG s III 1.16 0.16 6.73 93.27 NA 60.40 39.36 13.81 NA 3 5 SM s III 1.14 0.16 7.38 92.62 NA 63.80 49.01 16.04 NA 3 7 AA n III 1.49 0.18 10.00 90.00 NA 72.00 45.80 14.65 NA 3 8 AB n III 1.07 0.16 7.74 92.26 NA 63.00 60.94 11.33 NA 3 9 CG n III 1.02 0.10 6.59 93.41 NA 59.80 38.57 12.31 NA 3 10 SM n III 1.15 0.12 6.64 93.36 NA 57.20 41.26 15.83 NA 4 2 AA s I 1.95 0.21 9.72 90.28 48.74 66.74 64.57 12.18 NA 4 3 AB s I 1.28 0.20 7.75 92.25 54.77 63.51 63.34 9.56 NA 4 4 CG s I 1.53 0.15 6.28 93.72 67.09 59.03 57.30 9.34 NA 4 5 SM s I 1.31 0.17 7.38 92.62 59.29 62.54 43.56 11.18 NA 4 7 AA n I 2.38 0.19 10.39 89.61 49.83 48.86 60.67 11.18 NA 4 8 AB n I 1.51 0.13 6.94 93.06 66.49 63.97 47.34 13.63 NA 4 9 CG n I 1.11 0.07 5.72 94.28 60.71 51.31 53.44 7.11 NA 4 10 SM n I 1.61 0.14 6.68 93.32 58.77 62.43 47.8 10.22 NA 4 2 AA s II 2.24 0.20 10.35 89.65 59.80 60.17 58.76 12.00 NA 4 3 AB s II 1.2 0.17 7.75 92.25 67.86 60.49 45.28 13.90 NA 4 4 CG s II 1.22 0.13 6.32 93.68 49.89 51.00 49.40 13.08 NA 4 5 SM s II 1.26 0.15 6.11 93.89 42.03 54.26 50.10 9.75 NA 4 7 AA n II 1.85 0.17 6.35 93.65 67.77 68.54 43.11 9.87 NA 4 8 AB n II 1.24 0.13 6.46 93.54 59.60 68.63 42.20 9.05 NA 4 9 CG n II 1.47 0.08 4.76 95.24 54.51 54.57 58.95 9.12 NA 4 10 SM n II 1.38 0.16 6.96 93.04 37.91 57.94 46.23 8.54 NA 4 2 AA s III 2.25 0.19 9.86 90.14 29.69 65.54 56.61 11.52 NA 4 3 AB s III 1.31 0.19 8.16 91.84 42.86 61.14 58.00 8.31 NA 4 4 CG s III 1.31 0.13 5.85 94.15 52.94 48.71 45.76 11.06 NA 4 5 SM s III 1.53 0.16 7.05 92.95 31.00 60.74 47.34 9.46 NA 4 7 AA n III 1.97 0.22 9.56 90.44 47.11 59.89 48.73 8.82 NA 4 8 AB n III 1.1 0.14 7.94 92.06 57.20 61.29 50.20 7.72 NA 4 9 CG n III 1.08 0.07 5.57 94.43 53.46 56.57 38.66 8.55 NA 4 10 SM n III 1.34 0.10 2.89 97.11 45.17 60.17 42.46 7.35 NA 5 2 AA s I 2.05 0.22 10.27 89.73 68.20 61.11 73.46 11.66 NA 5 3 AB s I 1.41 0.17 7.54 92.46 74.60 51.80 64.40 10.12 NA 5 4 CG s I 1.74 0.14 5.45 94.55 65.74 53.26 62.18 11.21 NA 5 5 SM s I 1.81 0.16 6.12 93.88 57.57 53.14 62.04 12.73 NA 5 7 AA n I 2.18 0.20 9.52 90.48 79.66 61.77 72.42 11.13 NA 5 8 AB n I 1.73 0.12 5.68 94.32 72.40 54.40 60.18 9.43 NA 5 9 CG n I 1.78 0.11 4.55 95.45 59.26 54.03 62.60 9.76 NA 5 10 SM n I 1.48 0.12 6.76 93.24 64.71 60.40 40.18 9.42 NA 5 2 AA s II 2.14 0.19 9.20 90.80 75.74 63.37 73.5 11.90 NA 5 3 AB s II 1.40 0.16 7.62 92.38 57.17 62.09 64.28 9.33 NA 5 4 CG s II 1.72 0.12 5.71 94.29 74.06 52.46 62.96 6.93 NA 5 5 SM s II 1.48 0.15 7.23 92.77 62.74 52.66 57.92 10.09 NA 5 7 AA n II 1.83 0.18 3.79 96.21 73.49 68.49 70.96 11.03 NA 5 8 AB n II 1.67 0.13 9.74 90.26 65.40 65.29 71.06 10.40 NA 5 9 CG n II 1.35 0.12 5.92 94.08 59.17 50.74 61.02 8.69 NA 5 10 SM n II 1.65 0.15 5.31 94.69 58.46 67.26 66.78 10.72 NA 5 2 AA s III 2.07 0.20 11.05 88.95 74.06 64.83 61.32 11.25 NA 5 3 AB s III 1.85 0.15 7.11 92.89 60.86 60.63 70.10 11.05 NA 5 4 CG s III 1.43 0.13 0.99 99.01 66.69 49.80 63.96 9.63 NA 5 5 SM s III 1.54 0.20 6.97 93.03 71.11 57.94 60.20 11.52 NA 5 7 AA n III 2.05 0.18 9.52 90.48 61.20 55.31 62.96 9.80 NA 5 8 AB n III 1.71 0.15 7.69 92.31 81.06 57.31 67.66 10.17 NA 5 9 CG n III 1.27 0.27 5.45 94.55 60.06 44.86 62.84 7.67 NA 5 10 SM n III 1.33 0.11 6.23 93.77 71.11 54.51 57.65 13.12 NA 6 2 AA s I 1.60 0.20 9.59 90.41 38.34 75.31 67.02 19.48 NA 6 3 AB s I 1.20 0.20 6.48 93.52 41.18 68.03 69.84 11.56 NA 6 4 CG s I 1.30 0.10 6.13 93.87 38.54 70.63 59.32 8.84 NA 6 5 SM s I 1.20 0.10 3.95 96.05 39.48 63.49 44.42 9.66 NA 6 7 AA n I 1.90 0.20 8.22 91.78 43.74 71.97 75.02 10.50 NA 6 8 AB n I 1.30 0.10 7.69 92.31 66.42 71.00 60.52 9.18 NA 6 9 CG n I 1.30 0.10 7.05 92.95 46.34 56.06 55.46 9.57 NA 6 10 SM n I 1.20 0.10 3.83 96.17 42.46 71.80 45.82 5.97 NA 6 2 AA s II 2.00 0.20 10.96 89.04 51.26 63.63 62.48 11.39 NA 6 3 AB s II 1.20 0.10 6.87 93.13 45.40 72.11 67.14 7.97 NA 6 4 CG s II 1.10 0.10 4.41 95.59 48.56 55.58 60.49 7.88 NA 6 5 SM s II 1.20 0.10 6.16 93.84 32.28 57.97 57.52 9.00 NA 6 7 AA n II 1.50 0.10 11.34 88.66 45.66 61.86 67.04 14.96 NA 6 8 AB n II 1.10 0.10 8.33 91.67 42.48 61.46 63.22 11.40 NA 6 9 CG n II 1.00 0.10 5.58 94.42 40.26 63.37 61.22 6.96 NA 6 10 SM n II 1.20 0.10 9.52 90.48 44.28 56.74 63.96 10.89 NA 6 2 AA s III 1.80 0.20 11.86 88.14 47.34 65.23 64.82 7.51 NA 6 3 AB s III 1.30 0.10 9.04 90.96 45.10 69.80 68.36 9.61 NA 6 4 CG s III 1.20 0.10 5.56 94.44 42.82 57.43 67.04 9.52 NA 6 5 SM s III 1.20 0.10 4.76 95.24 36.62 43.60 50.70 8.25 NA 6 7 AA n III 1.90 0.20 6.25 93.75 46.82 66.63 67.10 10.69 NA 6 8 AB n III 1.30 0.10 7.60 92.40 44.54 57.86 69.94 11.50 NA 6 9 CG n III 1.10 0.10 5.07 94.93 36.06 52.80 59.58 9.63 NA 6 10 SM n III 1.30 0.10 6.17 93.83 43.52 66.80 56.48 11.58 NA 7 2 AA s I 3.00 0.20 9.63 90.37 47.29 63.80 65.02 11.42 0.14 7 3 AB s I 2.50 0.20 8.10 91.90 39.71 61.86 57.02 12.34 0.09 7 4 CG s I 2.10 0.10 4.32 95.68 39.03 54.20 57.82 11.07 0.48 7 5 SM s I 2.10 0.10 4.64 95.36 39.86 52.20 48.18 8.76 0.72 7 7 AA n I 3.11 0.18 7.66 92.34 51.03 67.84 57.94 11.48 0.14 7 8 AB n I 2.05 0.11 4.83 95.17 48.86 56.10 45.36 10.07 0.67 7 9 CG n I 2.19 0.09 4.72 95.28 32.89 53.22 56.64 10.10 0.51 7 10 SM n I 2.18 0.08 4.68 95.32 38.69 48.66 51.78 9.21 0.60 7 2 AA s II 2.10 0.10 13.26 86.74 44.00 55.96 48.04 7.66 0.14 7 3 AB s II 2.23 0.14 8.61 91.39 46.25 59.80 66.22 11.75 0.13 7 4 CG s II 2.09 0.14 6.43 93.57 41.43 53.98 55.32 8.45 0.62 7 5 SM s II 1.90 0.12 6.50 93.50 30.26 52.86 46.98 8.67 0.93 7 7 AA n II 2.90 0.16 6.83 93.17 56.17 68.60 61.52 11.29 0.08 7 8 AB n II 2.55 0.13 5.03 94.97 46.34 65.76 60.18 13.11 0.07 7 9 CG n II 1.93 0.08 3.66 96.34 34.91 43.02 60.26 5.25 0.62 7 10 SM n II 2.30 0.10 6.46 93.54 47.09 63.80 62.02 9.48 0.10 7 2 AA s III 3.13 0.17 7.69 92.31 44.91 62.88 46.98 11.12 0.12 7 3 AB s III 2.60 0.1 6.32 93.68 47.23 62.58 75.08 12.94 0.19 7 4 CG s III 1.71 0.12 4.56 95.44 34.03 51.44 60.48 9.18 0.62 7 5 SM s III 2.10 0.11 6.58 93.42 27.09 49.98 54.12 9.05 0.96 7 7 AA n III 3.06 0.16 3.27 96.73 52.57 69.28 68.74 10.09 0.15 7 8 AB n III 2.60 0.13 7.43 92.57 37.14 63.94 69.04 11.77 0.12 7 9 CG n III 2.06 0.08 5.00 95.00 36.03 39.30 38.98 7.54 0.59 7 10 SM n III 2.00 0.1 5.21 94.79 33.20 54.12 46.74 11.29 0.82