东港辉宇腐植酸肥料公司采用发酵草炭为原料生产腐植酸复合肥,并于2003年通过东港市农业技术推广中心在几个乡镇进行了示范推广试验。试验结果表明,腐植酸复合肥1号(简称HA1)适用于白菜,增产19.52%,Vc含量增加26.81%,还原糖提高11.21%,硝酸盐降低6.67%。腐植酸复合肥2号(简称HA2)适用于茄果类、瓜菜类作物,黄瓜、甜瓜分别增产13.62%和40.74%,甜瓜Vc含量增加48.89%,还原糖提高2.03%,硝酸盐降低8.02%。示范试验表明,腐植酸复合肥增产、改善品质及降低硝酸盐作用显著,是生产绿色食品的环保型肥料。 Donggang Hui-yu humic acid fertilizer company uses fermented peat as raw material to produce humic acid compound fertilizer, and in 2003 through Donggang Agricultural Technology Promotion Center in several townships to carry out demonstration promotion experiment. The results showed that HA1 was suitable for cabbage, yield increased by 19.52%, Vc content increased by 26.81%, reducing sugar increased by 11.21% and nitrate decreased by 6.67%. The humic acid compound fertilizer 2 (HA2) is suitable for the increase of eggplant, cucumber crops, cucumber and melon by 13.62% and 40.74%, Vc content of melon by 48.89%, reducing sugar by 2.03% and nitrate by 8.02% . Demonstration tests show that humic acid compound fertilizer yield, improve quality and reduce nitrate significant role, is the production of green food-friendly fertilizer.