Respostas agronômicas e ecológicas de uma associação de gramíneas forrageiras tropicais em pastagens

............................................................................................................................. 7 LISTA DE FIGURAS .............................................................................................................. 8 LISTA DE TABELAS ........................................................................................................... 10 1. INTRODUÇÃO .................................................................................................................. 11 2.REVISÃO BIBLIOGRÁFICA........................................................................................... 13 2.1. Conceitos gerais e aplicabilidade da diversidade de espécies em pastagens ................ 13 2.2. Respostas agronômicas em sistemas multiespecíficos .................................................. 17 2.3. Modelo conceitual da diversidade de espécies em pastagens ....................................... 22 2.4. Hipótese ......................................................................................................................... 23 2.5. Objetivo ......................................................................................................................... 23 3. MATERIAL E MÉTODOS............................................................................................... 25 3.1. Caracterização e implantação da área experimental ...................................................... 25 3.2. Tratamentos e delineamento experimental .................................................................... 28 3.3. Monitoramento e controle das condições experimentais .............................................. 29 3.4. Avaliações ..................................................................................................................... 30 3.4.1. Interceptação luminosa ........................................................................................... 30 3.4.2. Acúmulo de forragem ............................................................................................. 31 3.4.3. Massa de forragem, composição morfológica e botânica ....................................... 31 3.4.4. Área foliar específica, índice de área foliar (IAF) e relação IAFpós/IAFpré ............ 32 3.5. Análise dos dados .......................................................................................................... 32 4. RESULTADOS................................................................................................................... 35 4.1. Controle e manutenção das condições experimentais ................................................... 35 4.1.1. Altura de corte ........................................................................................................ 35 4.1.2. Intervalo entre cortes .............................................................................................. 36 4.2. Produção de forragem ................................................................................................... 37

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  2022

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  DOI 10.11606/d.11.2022.tde-06042022-145658
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