期刊
ARCHIVES OF AGRONOMY AND SOIL SCIENCE
卷 61, 期 11, 页码 1511-1529出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/03650340.2015.1017816
关键词
resource use; parameterization; crop simulation models
资金
- WRC [K5/2274//4]
The risk to food security is particularly dire in rural sub-Saharan Africa, where a third of the world's undernourished people reside. Intercropping has the potential to improve rural livelihoods through better resource utilization and improved resilience to current and future challenges. This paper reviewed the concepts in intercropping and outlined how resources are captured and utilized within the system. Crop simulation models (CSMs) as decision support tools for intercrop/multicrop systems and future directions for modelling multicrop systems are the focus of the review. Through increased crop biodiversity, intercropping improves resilience, food security and nutrition. This is achieved through improved resource capture and utilization due to differences in spatial and temporal distribution of component crops. For farmers to maximize on these advantages, they need to have a thorough knowledge of species combination, arrangements and proportions. A major drawback to intercrop systems is that most of the existing agronomic recommendations are tailored on monoculture practices. This is also evident in the structure of most CSMs that cannot account for heterogeneous crop stands. In conclusion, there is a need to enhance agricultural research on intercrop systems, combining conventional and modern research approaches. Moreover, CSMs should be multidimensional in order to simulate system diversity accurately.
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