TY  - REP
AU  - Wall,P.C.
TI  - Yield limitations in two contrasting cropping systems of Latin America
PY  - 1988///
CY  - Asuncion (Paraguay)
PB  - CIMMYT, 
KW  - Crop yield
KW  - AGROVOC
KW  - Fertilizers
KW  - Green manures
KW  - Intercropping
KW  - Latin America
KW  - Postharvest technology
KW  - Small farms
KW  - Rotational -
KW  - Término tomado de AGROVOC
KW  - Soil fertility
KW  - Farming systems
N1  - Abstract in Spanish, tables, graphs, references p. 13-15
ER  -