海城市响堂乡苗官村科技示范户王占峰,今年种了4.02亩春小麦,品种为铁春1号。在农科站技术人员的指导下,采用科学施肥方法,获得亩产834斤的好收成。这块地的前茬为大豆,地力中等。1984年在地块封冻前每亩撒施碳酸氢铵50斤,然后用拖拉机深翻,把肥料扣压在5寸深的土层内。 Sea city ring Township Miao village science and technology demonstration households Wang Zhanfeng, this year planted 4.02 acres of spring wheat, a variety of iron spring on the 1st. Under the guidance of technicians in the agricultural station, the scientific fertilization method was adopted to obtain a good harvest of 834 kg per mu. This area of ​​the former crop of soybean, medium fertility. In 1984, 50 kg of ammonium bicarbonate was sprinkled on the plots before freezing, and then deep-tipped with a tractor to detach the fertilizer in a 5-inch deep soil layer.