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１９９８年我们针对塑盘湿润育秧的秧龄弹性小、秧苗素质不高的问题，对塑盘肥床旱育秧技术进行了探讨，同时对其秧龄弹性及群体质量和产量的影响进行了研究，以期丰富和发展抛秧群体质量栽培理论，完善配套抛秧综合增产技术，为大面积生产提供理论和实践依据。１材料与方法１?
In 1998, we aimed at the problem of plastic seedling seedling age seedling elasticity is small, the quality of seedlings is not high, we discussed the technology of plastic disc fertilizer bed drought nursery seedling, at the same time, we studied its seedling age elasticity and population quality and yield, in order to enrich And the development of throwing seedlings mass cultivation theory, improve the complete throwing transplanting comprehensive production technology, provide theoretical and practical basis for large-scale production. 1 Materials and methods 1?