Effect
No effect on produce quality
Decreased nutrient availability in soil or substrate
Golf Algin treated Kentucky bluegrass & perennial ryegrass, cv. Limousine & Barain, grown in a football field had a 1.5 % higher overall turf grass quality, a 1.4 % lower turf color score, a 1.4 % lower tiller density, the same plant coverage, 33.3 % less plot area infected by diseases, a 8.8 % lower soil pH, soil contained 3.1 % more NH4, 8.5 % less NO3, 43.7 % less P, 3 % less K, 41.2 % less Mg and 65.6 % less Ca compared to the control treated with a mineral fertilizer.
Trial details
outdoor, unprotected, soil grown (sand-based rootzone), optimal cultivation in football field
Norway
Crop
Grass, Poaceae
Trial application
Method
Spread over soil
Timing
First treatement in start of growing season, followed by a two- or four-weekly treatment tille the end of the growing season
Rate
1.27-3.27 kg/100 m² (dose depended on the week)
2009
Evaluation of organic fertilizers and biostimulants on sandbased golf greens and football pitches under Scandinavian climate conditions
BioForsk report
2
919-931
Crop group
