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Vineyard fertilizer trials with Humorgan in the cultivar Prosecco zone

, : Vineyard fertilizer trials with Humorgan in the cultivar Prosecco zone. Rivista di Viticoltura e di Enologia 37(11): 646-653

Data from two-year trials on three vineyards in hilly country are tabulated. Humorgan (a new organic manure obtained by the fermentation of animal residues) applied at 18-22 quintals/ha increased grape yields from 100, 120 and 120 to 125, 140 and 135 quintals/ha, respectively, and improved the sugar content of the grapes.

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