| 摘要 |
<p>A formulation for agricultural use is described, in particular to improve the nutritional activity and development of plants comprising a homogeneous mixture of 5-30% of potassium humate, 5-60% of iron humate, 5-40% of phosphorus humate and 5-50% of nitrogen humate, said percentages being by weight with respect to the weight of said formulation, said formulation being used in a weight ratio of 0.1-0.5% with respect to the seeds or parts of plants to be treated.</p> |
