1976年早造,南宁市郊心圩大队第七生产队有一片田种植的品种是矮仔占,面积17亩多,插后一个多月不生新根,不发蔸,植株矮小,叶片枯黄,表现明显的坐蔸现象。增施磷肥后10天,禾苗迅速长出新根,开始分蘖,叶色转绿,生机恢复,最后获得亩产 As early as 1976, the production team of the Xinxu Sub-district of Nanning City had a field planted with a field of 17 acres and more than a month after it was inserted. It did not produce any new roots for more than a month after its insertion, and its plants were short and withered. Obviously the phenomenon of sitting 蔸. Ten days after the application of phosphate fertilizer, seedlings quickly grow new roots, start tillering, leaf color turn green, vitality recovery, and finally get mu