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对黄土丘陵区生态农业建设的前提条件和现状进行了分析，明确提出了生态农业建设的目标。并在１９９８ 年７ 月实地调查研究的基础上，对实现该目标投资情况进行了计算和分析得出：黄土高原生态农业建设，每平方公里需投资３．２８７×１０５ 元，其中群众自己需投资 ２．２５８×１０５ 元（投工工资１．７２５×１０５ 元，贷款扶持５．３３×１０４ 元），国家投资１．０２９×１０５ 元。
The preconditions and status of ecological agriculture in loess hilly region were analyzed, and the goal of eco-agriculture construction was clearly put forward. Based on the field investigation and research made in July 1998, this paper calculated and analyzed the investment in realizing this goal and concluded that the ecological agriculture in the Loess Plateau needs an investment of 3.287 × 105 yuan per square kilometer, among which the masses themselves need to invest 2.258 × 105 yuan (wage 1.725 × 105 yuan, loan support 5.33 × 104 yuan), the state investment 1.029 × 105 yuan.