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一九七八年清河城公社望城农科队第二、四农科组在7亩水田上,对清杂、黎明A×C55、京引三个品种进行了无土育秧试验,平均比常规育秧增产12.5%.其好处有以下四点:一、抗寒力强,早热增产:望城大队第四农科组试验,于4月20日育秧,5月7日移栽.遇零下1～2度低温3天,气温升高后小苗仍能正常生长发育.第二农科组于5月26日移栽,移栽后无返青期,不缓苗,小苗由淡绿很快转为深绿.无土育秧,秧龄小,带乳移栽,根系
In 1978, Qinghecheng commune Wangcheng Nongkeyegong second, fourth agricultural group in 7 acres of paddy fields, Qingzha, Dawn A × C55, Beijing cited three varieties of soilless seedling test, the average than the conventional seedlings An increase of 12.5%. The benefits of the following four points: First, the cold hard, early heat production: Wangcheng Brigade Fourth Agricultural Experiment Group, on April 20 seedling transplanting May 7. Degree of low temperature for 3 days, the seedlings can still grow normally after the temperature rise.Agricultural group of the second transplanting on May 26, after transplanting no rejuvenation, not hibernating, the seedlings from light green to dark green Soilless seedlings, seedling age, transplanting with milk, roots