杂交粳稻的黎明A×C57—2这个组合,在我省已经进行了三年多点试验和示范,面积逐渐扩大,1979年已达2000多亩,并取得了丰产栽培经验。通过三年的试验示范证明,黎明A×C57—2比常规当家品种早熟、省肥、穗大粒多,一般增产一、两成,高者可增产三成以上,适于作麦茬稻用,颇受群众欢迎。今年在我省种植一万亩左右,特别是新乡地区,除继续进行大面积多点示范,部分大队已进入推广阶段。为了把这个 Dawn A × C57-2 hybrid japonica rice combination of this in our province has been carried out for more than three years of tests and demonstrations, the area gradually expanded in 1979 has reached 2,000 hectares and achieved high yielding cultivation experience. After three years of demonstration, Dawn A × C57-2 is more precocious than the conventional varieties, saving fertilizer and spike large grains, generally increasing the yield by 10% or 20%. The higher yield can be increased by more than 30%, which is suitable for rice stubble. Welcome This year in our province about 10,000 acres planted, especially in Xinxiang area, in addition to continuing to conduct large-scale multi-point demonstration, some brigades have entered the promotion phase. In order to put this