Effect
No effect on nitrogen N use efficiency
No effect on growth
Kelpak treated Lettuce, var. Antedis, grown under lower fertilisation level had no difference in fresh biomass and FNUE (fertilizer nitrogen use efficiency) compared to the optimal and stressed controls.
Trial details
outdoor, unprotected, soil grown, different fertilisation levels: 50 U N (optimal control) and 25 U N (stress treatment)
France
Crop
Lettuce, Lactuca sativa L.
Trial application
Method
Foliar spray
Timing
First application 7-10 days after planting at 4 true leaves, followed by 4 treatments with a 14-21 day interval
Rate
2.7 L/ha (dilution 270 L/ha)
2019
Bio4safe trial report Lettuce 2019
Crop group
