黄洞公社位于淇县西北部山区,耕地面积11456亩,除3000亩半水地外,其余均为沟坡旱地,常年降雨量770.8毫米,无霜期209天左右。种植作物以小麦、玉米、红薯、谷子为主,其中谷子面积4000亩,占总面积30%左右。过去,由于认识问题,谷子被视为低产作物,多被安排在一些偏远的不施肥的地块,加之品种长期不更换,病害丛生,亩产不上200斤。 Huangdong commune is located in the mountainous area of ​​northwestern Qixian County. The cultivated land area is 11456 mu. Except 3000 mu semi-water land, the rest are ditch slope dry land with annual rainfall of 770.8 mm and frost-free period of about 209 days. Crops to wheat, corn, sweet potato, millet-based, of which millet area of ​​4,000 acres, accounting for about 30% of the total area. In the past, due to awareness problems, millet was considered as low-yielding crops and was mostly arranged in some remote areas that were not fertilized. In addition, the varieties were not changed for a long time and the diseases were overcrowded, yielding not more than 200 pounds per mu.