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我县农技站1982—1985年,在官渡多卫星村7组科技示范户徐友财联产田,做了杂交水稻生长后期断水试验:供试品种汕优二号,试验分乳熟始期、黄熟后期、收割前7天断水等三个处理,每小区2厘地,随机区组排列,三次重复。试验结果:亩产依次为492.3公斤,508.25公斤,559.35公斤,以收割前7天断水的产量最高,扬花后乳熟始期断水产量最低。杂交水稻后期具体灌溉办法:抽穗扬花授粉时,采用活水养稻,一般关水1寸深,
Agricultural Science and Technology Station of our county From 1982 to 1985, a group of technology demonstration households in Guandu multi-satellite village Xuyoucou joint production field, made a late hybrid rice growth test: the test varieties Shanyou 2, , Seven days before harvest, such as water cut three treatment, 2 cm per plot, random block arrangement, repeated three times. Test results: The yield per mu was 492.3 kilograms, 508.25 kilograms and 559.35 kilograms per hectare, with the highest yield of water-cut 7 days before harvesting and the lowest yield of water-after-milk milky ripening. Late hybrid rice specific irrigation methods: heading poplar pollination, the use of live water and rice, the general water 1-inch deep,