Study on New Processing of Preparation Natural Organic Trace-Element Fertilizer Chelated with Compound Amino Acid from Discarded Animal Keratin 废弃动物蛋白制备天然有机螯合肥的新工艺研究
The trace-element fertilizer 'Plant Vigour 2003' was applied to natural pastures and its effectiveness in improving forage yield was examined in this experiment. 应用植物动力2003试验结果表明,该植物微量元素营养液对天然草地具有明显的增产效果。