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为进一步探索早春利用小拱棚地膜双覆盖番茄高产栽培经验 ,１９９９年涿州市农技中心进行了早春塑料小拱棚地膜双覆盖番茄高产栽培示范 ,示范地前茬为秋番茄 ,品种为北京早粉２号。一、播前准备及播后管理（一）播前进行温汤浸种和催芽。（二）苗床土为适时过筛的田土 ,炉渣灰
In order to further explore early spring using small arch plastic film double covering tomato high yielding cultivation experience, in Peizhou City Agricultural Technology Center in 1999 was plastic double arch plastic double covering tomato high yielding cultivation demonstration, the former model for the autumn tomato, the varieties of Beijing early powder 2 number. First, before sowing preparation and broadcast management (A) before sowing Wen Wen Tang and germination. (B) seedbed soil timely sieved fields, slag ash