| 摘要 |
The invention relates to a method for producing a fertilizer nutrient or micronutrient, which contains at least ammonium nitrogen, according to the preamble of patent claim 1, and to a fertilizer nutrient or micronutrient per se, as well as to a culture or planting soil admixed with the fertilizer nutrient or micronutrient. In order to ensure that the fixing of the phosphor is prevented and that both phosphor and iron are present in the current vegetal form, and this within a common production process. In a first step of the method according to the invention, iron hydroxide is mixed with a mineral powder material; in a second step, ammonia-rich and phosphate-containing nutrient water, which has been separated from liquid manure by separation and/or precipitation, is added and mixed therewith; and in a last step, acid or acidified water is added and mixed therewith. |
