前言黑河位于黑龙江省北部,属高纬寒地,年平均气温-2.0～1.0℃,无霜期仅80～130天,生育期降水350～450毫米,占全年降水量的75％左右,能满足作物生长的要求。农作物以小麦和大豆为主;小麦、大豆面积分别占播种面积65％、25％左右,是我国重要的麦、豆商品粮基地之一。 Foreword Heihe is located in the northern Heilongjiang Province, is a high latitude cold, the annual average temperature of -2.0 ~ 1.0 ℃, frost-free period of only 80 to 130 days, 350-450 mm precipitation during the growing period, accounting for about 75% of annual precipitation, to meet crop growth Claim. Crops are dominated by wheat and soybeans; wheat and soybeans account for 65% and 25% of sown area, respectively, and are one of the important commodity grain bases for wheat and beans in China.