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MLA

Ortega M., P.F, and J.M.C Campo. "Intercropping Rye-grass (lollium Multiflorum) On Beans: an Alternative Production System for Small Farmers In Sonora, Mexico." , 113.. Print

APA

Ortega M., P., & Campo, J. (0000). Intercropping rye-grass (Lollium multiflorum) on beans: an alternative production system for small farmers in Sonora, Mexico.

Chicago

Ortega M., P.F., and J.M.C Campo. "Intercropping rye-grass (Lollium multiflorum) on beans: an alternative production system for small farmers in Sonora, Mexico" (1993): 113..