Enter a modem market place; or visit a bustling shopping mall and the fruits and rewards of modem agriculture will greet you at every turn.

Economic losses and costs associated with weeds in dryland cotton production are important for growers, weeds researchers, and rural industry funding bodies when making decisions about research priorities and research

While the importance of biodiversity in ecosystem function has been accepted for some time (Tilman & Downing 1994), only recently has the relative importance of the diversity of functional characteristics of t

Irrigation is an indispensable technology used to augment agricultural production in the semi-and and arid regions. However, poor water management (eg.

Petroleum spray oils (PSOs) have been used for many decades to control a wide range of crop pests (Beattie et al 1995) and are known to have little impact on natural enemies of crop pests (Mensah et al 1995).