The net present value of five years of manual pruning is $253, 564 as is shown in Table 5.2. ... Thus for a sale price of $18100 on a Ford 3910 vineyard model the per month payment is $410. Since the tractor will be used for other work on the vineyard, only three monthly payments per year are charged against pruning.
|Title||:||Vision-guided robotic grapevine pruning|
|Author||:||Joseph Francis Mercurio|