为“方便表”叫好司马夜郎农民辛辛苦苦花钱买回化肥、农药，因为缺乏正确的指导，往往使用不当，产生了适得其反的后果。最近一些农民在使用河南省中牟县化肥厂生产的碳酸氢铵时，打开化肥袋，首先看到的是一张＂碳酸氢铵科学施肥方便表＂，表上列举了小麦、玉米、水稻、... Applauding Sima Yilang for “Convenient Table” Farmers have worked hard to pay back chemical fertilizers and pesticides because they often use improperly and produce counterproductive results because of the lack of proper guidance. Some peasants recently opened the fertilizer bags when using the ammonium bicarbonate produced by the Zhongmu County Fertilizer Plant in Henan Province. The first thing they saw was a convenient table for scientific fertilization of ammonium bicarbonate. The table lists wheat, corn and rice. ..