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Mead, R and Willey, R W (1980) The concept of a 'land equivalent ratio' and advantages in yields from intercropping. Experimental Agriculture, 16 (3). pp. 217-228. ISSN 0014-4797
Mead, R and Willey, R W (1980) The concept of a 'land equivalent ratio' and advantages in yields from intercropping. Experimental Agriculture, 16 (3). pp. 217-228. ISSN 0014-4797