Question $3(30\mathrm{.}00$ Point$)$TipsAppended are among the THREE key agro$-$management factors that dictate the productivity in the plantation.a$)$Management of rodent pests; with special reference to rat.b$)$Canopy management; with special reference to frond pruning and stacking.c$)$Ground vegetation management; with special reference to maintenance of leguminous cover crops and$/$or weeding.Explain how these three tasks are to be carried out. $(10$ Marks$)$Specify their standards and work productivities. $(10$ Marks$)$Furnish the costing as well.