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English
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Authors : T.S. Aamlid and T.K. Haraldsen
Journal / Proceedings: 2nd ETS Confenrence Proceedings
Bibliographic record:
2010 Angers full Papers
A comparison of liquid fertilizers used for golf green grow-in and maintenance
Spoon-feeding, or frequent applications of liquid fertilizer at low rates, is a common
method for turfgrass fertilization on sand-based golf greens (Carrow et al., 2001). Although labour
intensive, spoon-feeding is flexible and allows rapid adjustments of fertilizer rates to prevailing
weather, wear intensity, disease pressure and other growing conditions. Due to this flexibility,
weekly applications of low rates of liquid fertilizers is one of the cornerstones in a demand-driven
fertilizer programme (Ericsson, 2005).
Besides the high number of liquid fertilizers produced specifically for turf, many
industrial by-products have the potential to become turfgrass fertilizers if refined properly. The
primary objective of this research was to make a first evaluation of Hydrolysed Salmon Protein
(HSP 15-1-2, Marine Bioproducts AS, Bergen, Norway) as fertilizer for turfgrass grow-in and
maintenance. HSP was compared, either alone or supplemented with a fertilizer rich in P and K,
to four liquid products or product combinations marketed for use on Scandinavian golf courses.
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