We show that a given dataaow language l has the property that for any program P and any demand for outputs D (which can be satissed) there exists a least partial computation of P which satisses D, ii all the operators of l are stable. This minimal computation is the demand-driven evaluation of P. We also argue that in order to actually implement this mode of evaluation, the operators of l shoul...

Small farms and smallholder farming systems play crucial roles in agricultural development in many developing countries. From the various rural development programs designed to support such farming systems, agricultural extension services are of at most importance. However, the benefit that farmers obtain from these services and the resulting impact depends, to a great extent, by their direct a...

the main purpose followed in the ongoing research was to investigate the role of the extension factors (experience of familiarity with agricultural extension services, participation of paddy farmers in extension - educational courses, their participation in farmer field school (ffs) programs, and their number of extension contacts regarding ipm) in the adoption of ipm technology among paddy far...

This study examined the training needs of agricultural extension agents in Delta State, Nigeria. A sample of 102 respondents was drawn from extension agents in the States’ Agricultural Development Programme (ADP), Ministry of Agriculture and Natural Resources (MANR) and the FADAMA Programme. Data were collected in February 2017 by using a structured and validated questionnaire. Data generated w...

this paper aims at analyzing farmers’ responses on quality of agricultural information services provided by public and private sources. the study is based on primary survey of 461 farmers in eight districts of uttar pradesh, india, using a structured questionnaire. farmers’ responses on quality of agricultural information services from public and private sources were analyzed using analysis of ...