MULTIPLE CROPPING SYSTEM


A SYSTEM in which more than one crop is grown on the same PLOT of
land in ore year.



NON-EXPER I.NTAL VARIABLES

Those variables in an experiment that the researcher is not
testing. 7Teq are divided into thoss that the researchers cannot
control, ?-:h as weather, and those th t they can control, such as
farming orations. In ON-FARM RESEARCH, the latter are generally
held at ti' farmers' level, but sometimes the level recommended by
the extension service may be used.



ON-FARM RESEARCH

In FARMING SYSTEMS RESEARCH, this is the activity of conducting
RESEARCHER-MANAGED TRIALS and FARMER-MANAGED TRIALS on farmers'
fields, arn the process of conducting related studies of farm
management and ENVIRONMENTAL FACTORS influencing the farmer.



PANEL SURVEY, FREQUENT INTERVIEW SURVEY

A type of survey involving the periodical collection of data from
the same sample or group of farmers, often on a regular basis.



PARADIGM

A set of concepts, methodologies and vocabulary associated with a
particular group or discipline at a given time. For example,
plant breeders work under a generally accepted set of assumptions,
use common research approaches, and have a set of terms that have
special and carefully defined meanings for them.



PATCH INTE:CROPPING

Growing t~o. or more crops on a given plot in small contiguous
patches o0 SOLE CROPPING with the stands in each patch not
necessarily arranged in rows or uniform spacing.


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