大棚草莓以其上市早、供果期长、效益好而受到广大种植户的青睐。近几年来，种植面积增长较快，随着种植规模的扩大和产量的增加，商品质量之间的竞争愈趋激烈。为了提早大棚草莓的上市期，提高产量和品质，增加经济效益，１９９８～１９９９年引进新型液肥奥普尔在大棚草莓上 Greenhouse strawberry early market for its long fruit, good efficiency and favored by the majority of growers. In recent years, the area under cultivation has been growing rapidly. With the expansion of planting scale and the increase of output, the competition among the quality of products has become fiercer. In order to advance the listing period of strawberries in greenhouse, improve yield and quality and increase economic benefits, the introduction of new liquid fertilizer Opal from 1998 to 1999 in greenhouse strawberries