ENVIRONMENTAL COMPLEX, LAND TYPE


Portions o' the landscape within uhich the values of CROPPING
PATTERN DErRMINANTS are the same. Also known as LAND TYPE. It
constitutes a set of locations for which it is possible to develop
common TECHNOLOGIES.



ENVIRONMENTAL FACTORS

Those factors over which the farmer has little direct control.
They incl.'de the physical, biological and socioeconomic aspects of
the warmer's setting.



EX-ANTE EVALUATION

Evaluation carried out on the basis of hypothesized performance
before actual implementation.



EX-POST EVALUATION

Evaluation carried out on the basis of realized performance after
actual implementation.



EXPERIMENTAL VARIABLES

Those variables that the researcher tests in an experiment.



EXP ORATORY SURVEY


A type of RtCONNAISSANCE SURVEY in which researchers
TARGET AREA and informally interview farmers and
knowledgeable of agriculture in order to arrive at
undcrstandi-g of the existing FARMING SYSTEMS
environment.


traverse the
other persons
a tentative
and their


EXTENSION SPECIALIST IN FARMING SYSTEM~

An employee of the extension service who specializes in FARMING
SYSTEMS RE -ARCH and development. 1hese specialists act as an
important liaison between research and extension.


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