Tasar silk culture is a significant cash crop in the tropics. Tasar farms are extensively planted with Arjun plants (Terminalia arjuna) (Combretaceae) because their leaves are the main food for Tasar silkworms. The metallic green stem-boring beetle, Psiloptera fastuosa (Coleoptera: Buprestidae),...

While an item substitution measure provides for the direction, demand transference quantifies the magnitude of demand that may get transferred to an item a) When its substitute is deleted b) When it is introduced in a store and cannibalizes on similar items. This, hence, is an important input...

This study proposes to use the channels having horizontal bottom and parabolic sides (HBPS) as substitute for trapezoidal channels. The acceptability of HBPS channel is contested by using the criteria of minimization of cost and flooding probability. An optimization model is developed to...