饶阳县北流满村张宗信,1987年投资1.2万元建起了一座占地1.4亩的钢筋结构塑料大棚。几年来他年年出新招,年年获高效。因此,已成为当地广大菜农争相学习的榜样户。仅以1993年春为例。绝大多数大棚户种植黄瓜,张宗信却本着人无我有的原则,在棚内栽种了西红柿。尔后又在头茬西红柿收获后,采用扦插再生枝法栽种了第二茬西红柿,不仅有效地减轻了病害的危 Zhang Zongxin, Beiliuman Village, Raoyang County, invested 12,000 yuan in 1987 to build a 1.4-acre steel structure plastic greenhouse. Over the past few years, he out of new tricks every year, highly efficient. Therefore, it has become a model for the majority of local farmers competing to learn from. Only the spring of 1993 as an example. The vast majority of greenhouse planting cucumbers, Zhang Zongxin but no one in my principle, planted tomatoes in the shed. Later, after the first crop of tomato was harvested, the second crop of tomato was planted by the cuttings regeneration method, which not only effectively reduced the risk of the disease