1997年平泉县从保定黄腐酸工程有限公司引进中正生化黄腐酸肥，经平泉镇种菇户使用证明：具有保质增产增效效果。供试蘑菇共700盘，采完头茬，二茬长到黄豆粒大小时，用一瓶半药对一喷雾器水，（盛水158切，约凡：200倍），于上午9：00时，下午16：00时前后喷施，喷药当天... 1997 Pingquan County from Baoding fulvic acid Engineering Co., Ltd. is the introduction of biochemical fulvic acid fertilizer, Pingquan town of mushrooms to use that: with the effect of increased yield and efficiency. A total of 700 test mushrooms, picking the first crop, the second crop grows to the size of the bean, with a bottle of half-medicine on a sprayer water (Sheng 158 water, about where: 200 times) at 9:00 am , Spraying around 16:00 pm, spraying the day ...