... Economic efficiency of different fertilizers treatment on rambutan orchards. (Unit:1,000 VND) Content Treatment Treat 1 Treat 2 Treat 3 Treat 4 Treat 5 Total expenses (ha/year) 24,714 34,448 ... Table 4.7: The economic efficiency for each treatment in mangosteen orchard (Unit: 1,000 VND). Contents Treat 1 Treat 2 Treat 3 Treat 4 Treat 5 Total expenses (ha/year) 9,100 36,040 ... 2,186 26,657 13,162 16,275 57,071 Notes: Number of trees: 250 trees/ha; Fruit yield = Fruit weight per tree x number of trees per ha Treatment 1: Farmer's dose (0.4kgN + 0.22kg P2O5...