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The African Crop Science Journal , a quarterly publication , publishes original research papers dealing with all aspects of crop agronomy , production , genetics and breeding , germplasm , crop protection , post harvest systems and utilisation , agro-forestry , crop-animal interactions , information science , environmental science and soil science .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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