TY  - JA
AU  - Hart,R.D.
TI  - A bean, corn and manioc polyculture cropping system, 2:  A comparison between the yield and economic return from monoculture and polyculture cropping systems
SN  - No (Revis
U1  - 76-082380 
PY  - 1975///
KW  - Beans phaseolus vulgaris
KW  - Cassava manihot esculenta
KW  - Maize
KW  - AGROVOC
KW  - Plant production
KW  - Zea mays
N1  - 9 illus., 4 tables; 21 ref. Summaries (En, Es)
T2  - Turrialba
ER  -