我们环江县制种队,今年春在博白县龙潭公社进行杂交水稻制种,克服了当地罕见的早春寒及严重的干旱,获得较好收成。银优二、三号制种面积共297.4亩,平均亩产53.3斤,其中54.1亩,亩产达80—85斤,2.2亩,亩产102—107斤。主要经验是:1.根据叶龄安排父母本播种错期。博白龙潭公社今年早春的气温是当地解放后最低 We Huanjiang system of seed production team, this spring in Bobai County Longtan commune for hybrid rice seed production, to overcome the local rare early winter and severe drought, get better harvest. Silver gifted II, the third planting area of ​​a total of 297.4 acres, an average of 53.3 kg per mu, of which 54.1 mu, yield of 80-85 pounds, 2.2 acres, 102-107 kg per mu. The main experience is: 1. According to the leaf age arrangement of the parents of the sowing the wrong time. Bobai Longtan commune this year, the temperature is the lowest since the liberation of the local liberation