The plowland protection and its sustainable development are underlined in the newround land utilization planning in China. The paramount step for land utilization planning is to determine the plowland index, which requires a prediction of preserved plowland quantity. This paper combines the land utilization general planning, studies the preserved plowland quantity in Liaoyang city by means of regression method, longterm tendency method and fuzzy system method, which provides a reference to establish the land utilization general planning in Liaoyang city.

The benchmark land price refers to an average price of different class at normal market, at some specific time point, in different utilization, one fixed year’s volume ratio. Due to some variation in connotation, selection of parameters, means and assessors during evaluating the benchmark land price, it is difficult to compare the benchmark land prices in different locations with big influence over land market, thus necessitating a balanced land price. This paper, based on a case study of Dandong city, illustrates how to calculate the balanced benchmark land price from components and spatial balance.