古浪县是我省中部18个干旱县之一。现有早地76万亩,占总耕地面积的69.8％,其中浅山滩早地52万亩,占总耕地面积48.5％。由于气候干燥,年降雨量少(150～320毫米),且分布不匀,年际变化大,干旱每年皆有不同程度的发生,“十年九旱”、“三年两头早”是我县的基本自然特点。因 Gulang County is one of 18 drought counties in the central part of our province. The existing 760000 acres of land, accounting for 69.8% of the total arable land, of which shallow beach early 520000 acres, accounting for 48.5% of the total cultivated area. Due to the dry climate, less annual rainfall (150-320 mm), uneven distribution and large interannual variation, the occurrence of drought varies from year to year. The “Nine Years in Nine Years” and the “Three Years in Early Years” The basic natural features. because