ISHS Acta Horticulturae 448: III International Symposium on Mineral Nutrition of Deciduous Fruit Trees
COMPARISON BETWEEN DIFFERENT TIMES OF APPLICATION OF SLOW RELEASE NITROGEN FERTILIZERS ON GRAPEVINES. PRELIMINARY RESULTS |
| Authors: | G. Colugnati, F. Bregant, M. Spiesanzotti, D. Tesi |
| Keywords: | grape nutrition, slow release nitrogen fertilizers, Vitis vinifera, grapevine |
| Abstract:
In this paper preliminary results comparing several nitrogen nutrition strategies at different treatment dates in grapevine are presented. Post-harvest nitrogen supply, by isobutylidene diurea (IBDU) or dicyandiamide (D.C.D.) positively influence total buds, sprouting buds and cluster number; these nitrogen strategies achieve more balanced plants, according to Approved Viticultural Area (AVA) lawmaking of this area. | |
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