Effect
Increased produce quality
Increased nutrient availability in soil or substrate
Gro-Power treated Creeping bentgrass, cv. Penn A-1/Penn A-4/Penn-G-6, grown in a green had a 4.8 % higher overall turf grass quality, a 7 % higher turf color score, a 4.3 % higher tiller density, 12.2 % more winter injury, 1 % more plant coverage, 150 % more plot area infected by diseases, no moss growth, a 1.5 % higher soil pH, soil contained 6.7 % less P, 39.5 % more K, 21.4 % more Mg, 7.3 % less Ca, 14.3 % more Na compared to control treated with a mineral fertilizer (Arena).
Trial details
outdoor, unprotected, soil grown (12 % (v/v) sphagnum peat in root zone layer), optimal cultivation of golf green
Norway
Crop
Creeping bentgrass, Agrostis stolonifera L.
Trial application
Method
Spread over soil
Timing
First treatment in start of growing season (May), followed by 6 treatments with a 2-weeks interval till the end of the growing season
Rate
0.45-1.7 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
