In this study, if 25 % or more of the growers tested seropositive, the next sampling round would yield seropositive finishers.
The choice depends on the particular conditions, resources and the priorities of individual growers.
Any general framework needs to be robust enough to integrate infor mation from growers, on-station reports, local surveys and published literature on any underutilized crop.
As a result, several of the neglected growers ended up with poor or failed harvests.
Most winegrape growers, on the other hand, disked for weeds and use pre-emergent herbicides.
Several practices with very low rates of adoption among the study growers are relatively new.
One hundred and one eligible growers responded to the questionnaire, for a 55% overall response rate and a 62% completion rate.
134 of growers and/or owners, securing adequate capital, grants or loans, and recruiting top-notch management (including field and market support).
