Plot= Plotnr within the experiment
BBCH= Developmental stage of potato (see BBCH scale)
Sample= four samples of eggmasses per plot
block= four replicates per treatment
CPB= Colorado potato beetle
Colour= colour of the colorado potato beetle eggs (y= yellow, r= red)
L1-L4= larval stages of colorado potato beetle
Weight= weight of L4-larvae only measured in 2022
Control= unmulched control plots
TV= plots with triticale-vetch mulch
GC= plots with grass-clover mulch
Damage= 1= undamaged 2= damaged
Eggs= number of eggs
Eggm= number of egg masses
Pot= number of the caged potato plant (2021 4 and 2023 10 caged plants per treatment)
CF- = unmulched caged plant with 100 kg N/ha ferlized with hair meal pellets
CF- = unmulched caged plant with 200 kg N/ha ferlized with hair meal pellets
MF- = mulched caged plant with mulching material equivalent to 100 kg N/ha
MF+ = mulched caged plant with mulching material equivalent to 200 kg N/ha