本溪县小市公社在小面积试验的基础上,1976年大面积推广了大垄机播双行高粱的种植形式,增产效果显著。全社播种大垄双行高粱4,735亩,平均亩产1,310斤,增产30～50％。增产原因1.密度增加。大垄双行高粱,垄宽2～2.2尺,株距4～6寸,每亩 On the basis of a small area test, the small commune of Benxi County popularized the planting form of double ridge sorghum with large ridge in 1976, and the yield increase was remarkable. The whole community seeding large ridge double row 4,735 acres of sorghum, the average yield of 1,310 catties, an increase of 30 to 50%. Increasing production 1. Density increased. Big ridge double sorghum, ridge width 2 ~ 2.2 feet, spacing 4 ~ 6 inches, per acre