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宽城县位于长城以北,是个人多地少的石质山区,全县仅有粮田18.5万亩。高粱是这里的主要作物。在1983—1984年试验、示范的基础上。1985年大面积推广了冀承杂一号、冀承杂二号和辽杂一号三个杂交高粱新组合。面积37514亩,占高粱总面积的74.4％。在穗分化和灌浆成熟期,遭受阴雨、
Kuancheng County is located north of the Great Wall, is a small number of individual stony mountainous areas, the county only 180,000 acres of grain. Sorghum is the main crop here. Based on the experiments and demonstrations of 1983-1984. In 1985, a large area popularized the new combination of Ji Cheng Zuo 1, Ji Cheng Zao 2 and Liao Zuo 1 hybrid. An area of 37,514 acres, accounting for 74.4% of the total area of sorghum. In the ear differentiation and filling maturity, suffering from rain,