莜麦是雁北地区种植悠久的作物之一,主要分布在高寒山区及冷凉的丘陵区,面积达100多万亩.近几年,由于农村经济政策的落实和科学技术的推广,在莜麦产区曾涌现出许多高产典型.但大面积上莜麦仍徘徊在百斤左右.因此在现有面积上如何提高单产,是今后生产中应予解决的主要问题.经调查分析,莜麦产量低而不稳的原因有五方面:大面积上使用的品种没有更新、莜麦在生育期间遇到干旱、土壤瘠薄,耕作粗放,遭 Barley is one of the long-growing crops in the north of Yanbei, mainly distributed in the alpine mountains and cool hilly areas, an area of ​​more than 100 acres. In recent years, due to the implementation of rural economic policies and the promotion of science and technology, Wheat production area has emerged in many high-yield typical.But a large area of ​​barley is still hovering around in the pound.How to improve yields in the existing area is the future production should be resolved in the main issues.After investigation and analysis, Yields are low and unsteady for five main reasons: Varieties used on large areas have not been updated, oats have experienced drought during their reproductive periods, soil is infertile, extensive farming has been