一、问题的提出 云南是一个农业省，农业人口占全省总人口的８７％。自１９７８年以来，同国民经济所有部门一样，云南农业取得了较快的发展。这个山区面积占整个土地面积９４％、耕地人均１．１亩，低于全国人均１．３亩的水平，更低于世界人均４亩的水平，而且少数民族众多， First, the issue put forward Yunnan is an agricultural province, agricultural population accounts for 87% of the province’s total population. Since 1978, as in all sectors of the national economy, Yunnan’s agriculture has achieved rapid development. This mountainous area accounts for 94% of the total land area, 1.1 acres of cultivated land per capita, below the national average of 1.3 acres per capita, lower than the world average of 4 acres per capita level, and many ethnic minorities,