Why would you be worried about a pre em?Going shortly when frost lifted here -2.5 last but that’s for pre. Emirgance as risk of frost is reduced tonight but hanging off all other sprays and worried if I don’t do the pre em now I will miss the window for pre em and far rather go now than post em on sb
I'm of the same view as you, I'll be spraying tomorrow regardless MN is showing up and that'll do more harm than frost. This is with nutrients I wouldn't be putting pgr or herbs in with frosty weather, also I'm more cautious with powder MN than liquid.If it looks stressed from lack of manganese I’m giving it some but making sure it’s well dried on before the dew and frost comes in. My worry is if I don’t get the Mn on the frost will Knacker it mire than ever. I could be wrong of course.