In order to meet the requirements of more and more finicky customers, both on the domestic and foreign markets, the strengthening of the domestic economy competitiveness, imposes, besides all, the need for programs that will improve agricultural and rural development. Accordingly, it was done the software application for development of business plan in any field of agricultural production and rural economy. In this research, focus was turned on the economic efficiency of investments made in crop production. Specifically, the effects of the investment in agricultural land and mechanization for crop production were assessed. It was done by static and dynamic methods, as well as methods for investments assessment under uncertainty. In all three cases, the assessment of the project effects (including or excluding the time factor) indicates the justified investments.