FIELD: agriculture.
SUBSTANCE: invention relates to the agriculture. Product of combined NPK-Si fertilizer contains mineral NPK fertilizer which contains at least one nutrient compound of nitrogen, phosphorus or potassium and amorphous silicon dioxide in form of particles, where the ratio of mineral NPK fertilizer to amorphous silicon dioxide is from 10:90 to 90:10, in terms of dry weight of at least one nutrient compound of nitrogen, phosphorus or potassium and amorphous silicon dioxide contained in product, and where (a) the amorphous silicon dioxide has a shape of inclusions in at least one NPK fertilizer in form of particles or on the surface of at least one NPK fertilizer in form of particles; or (b) the product fertilizer NPK-Si has the shape of a physical mixture or a mixture of at least one compound mineral NPK fertilizer in the form of particles of amorphous silica in the form of particles; or (c) the NPK-Si fertilizer product has a form of complex fertilizer containing at least one compound N, P and / or K and amorphous silicon dioxide in form of particles.
EFFECT: invention increases the efficiency of the product.
22 cl, 17 tbl, 5 ex, 12 dwg
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Authors
Dates
2021-01-22—Published
2018-11-20—Filed