多孽壮秧效益好产量高大姚县农业局６７５４００杨学高多蘖壮秧是水稻生产技术的突破和发展。我县１９９１年开始试验示范，获得比常规秧显著增产；１９９２年扩大示范９７亩，平均亩产达到７０５．１千克。龙街乡连片示范的３０．１２亩中，杨泽康户２．１５亩楚粳１４号... Benefit and good seedling yield is good and high Yao County Agricultural Bureau 675400 Yang Xuegao high tiller and strong seedling is a breakthrough in rice production technology and development. In 1991, the county began experimenting and demonstrating a significant yield increase over conventional seedlings. In 1992, it expanded its demonstration area to 97 acres with an average yield of 705.1 kg per mu. Long Street, 30.12 acres of contiguous demonstration, Yang Zekang households 2.15 acres of Chujing 14 ...