Fine granulated fertilizer formulation for seed/plant placement at seeding or transplanting
AssigneeAgroqualita' S.r.l,
InventorsSergio Miele, Enrica Bargiacchi
Life of this patent
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Abstract
A granulated fertilizer composition for local application during sowing or transplanting, of the type comprising organic nitrogen and phosphate or phospho-nitrogen compounds as well as possible further fertilizer compounds or adjuvants, wherein the diameter of the granules is between 0.1 and 1.5 mm. Preferably, in the composition, the diameter of the granules is between 0.5 and 1 mm.
Claims17
A fertilizer composition in the form of granules, comprising a synergistic association of an organic fraction comprising a nitrogenous substance of natural origin and a mineral fraction comprising a phosphate or phospho-nitrogen compound, wherein said organic and mineral fractions are aggregated by a humic derivative to form granules having a size of 0.1 to 1.5 mm.
A fertilizing method comprising the application to a cultivation of an effective amount of a fertilizing composition in the form of granules, during sowing or transplanting of agricultural crops, said composition comprising a synergistic association of an organic fraction comprising a nitrogenous substance of natural origin, and a mineral fraction comprising a phosphate or phospho-nitrogen compound wherein said organic and mineral fractions are aggregated by a humic derivative to form granules having a size of 0.1 to 1.5 mm.
Dependencies are inferred from the claim text.