Buscar
Mostrando ítems 1-2 de 2
Handbook
Assessment of risk attached to recommendations
(CIMMYT, 1990)
The use of average yields for a range of locations, each averaged over a few years, might be regarded as an adequate basis for assessing the risk appropriate to the recommendation, in the sense of representing the variation ...
Handbook
Choice of on-farm trial sites
(CIMMYT, 1990)
There are two distinct objectives which may influence the choice of sites. One is simply to achieve a "representative" sample. Alternatively, or additionally, we may wish to assess the extent to which differences of yield ...