Residual straw and soybean yield in succession to oat, wheat and triticale grown in crop-livestock integration system

Production systems that feature temporal and spatial integration of crop and livestock enterprises, also known as integrated crop-livestock systems (ICLS), have the potential to intensify production on cultivated lands and foster resilience to the effects of climate change without proportional increases in environmental impacts. Yet, crop production outcomes following livestock grazing across environments and management scenarios remain uncertain and a potential barrier to adoption, as producers worry about the effects of livestock activity on the agronomic quality of their land. To determine likely production outcomes across ICLS and to identify the most important moderating variables governing those outcomes, we performed a meta-analysis of 66 studies comparing crop yields in ICLS to yields in unintegrated controls across 3 continents, 12 crops, and 4 livestock species. We found that annual cash crops in ICLS averaged similar yields (-7% to +2%) to crops in comparable unintegrated systems. The exception was dual-purpose crops (crops managed simultaneously for grazing and grain production), which yielded 20% less on average than single-purpose crops in the studies examined. When dual-purpose cropping systems were excluded from the analysis, crops in ICLS yielded more than in unintegrated systems in loamy soils and achieved equal yields in most other settings, suggesting that areas of intermediate soil texture may represent a "sweet-spot" for ICLS implementation. This meta-analysis represents the first quantitative synthesis of the crop production outcomes of ICLS and demonstrates the need for further investigation into the conditions and management scenarios under which ICLS can be successfully implemented.

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Commercial integrated crop-livestock systems achieve comparable crop yields to specialized production systems: A meta-analysis

Peterson

Deiss

Gaudin

2020

PLoS ONE

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Características agronômicas e produtividade da soja em sistema de integração lavoura-pecuária

Mattei

Oliveira

Rampim

et al. 2020

RSD

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No Brasil há poucos trabalhos acerca do cultivo da soja sucedendo pastagens anuais de inverno. Propôs-se neste trabalho avaliar a influência da densidade de semeadura da aveia preta e os manejos empregados sobre as características agronômicas e a produtividade da soja em sucessão. O delineamento experimental utilizado foi o de blocos casualizados em esquema de faixas, com tratamento adicional (testemunha) e quatro repetições. Os tratamentos consistiram em duas densidades de semeadura da cultura da aveia (40 e 60 kg ha-1), nas faixas A e os manejos (sem pastejo, um pastejo, dois pastejos) nas faixas B, no período de inverno, além da testemunha. No verão, na safra de 2016/2017, realizou-se a semeadura da soja (Nidera 5909 RR). Foram avaliados população de plantas, altura de planta, diâmetro do colmo, número de vagens por planta, número de grãos por vagens, número de grãos por planta, massa de mil grãos e produtividade da soja. A utilização de 40 kg ha-1 de sementes de aveia preta para a região Oeste Paranaense é indicada, por não promover alterações na produtividade da soja em sucessão e gerar economia na aquisição de sementes. O cultivo de aveia no período de inverno em sistemas integrados de produção agropecuária, independente da densidade de semeadura e manejo adotado, não interfere na produtividade da soja cultivada em sucessão, sendo uma excelente alternativa de diversificação da produção na propriedade rural.

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Residual straw and soybean yield in succession to oat, wheat and triticale grown in crop-livestock integration system

Cited by 2 publications

References 20 publications

Commercial integrated crop-livestock systems achieve comparable crop yields to specialized production systems: A meta-analysis

Commercial integrated crop-livestock systems achieve comparable crop yields to specialized production systems: A meta-analysis

Características agronômicas e produtividade da soja em sistema de integração lavoura-pecuária

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