Well Carl l learned something new today. I thod both moles and gophers are called mole in English. It is a gopher l have (had). Moles do not bother mee at all, if anythink l like their presence, they clean the soil of bugs.
Gophers are litle helpers of satan. I had exactly the same experiance with potatoes 2 years back.
2 tricks for gophers.
One is they hate meat. My grand father always burryed a dead cat under young apple trees. They cant stand the smell of rotting flesh.
Second is a recepie for “mole charges” that realy work marvels for me. mix one part potassium nitrate, one part sulfur and one part fine sawdust. Roll in news paper like a sausage, light and push in a fresh barrow. Put a rock on to seal it. The charge will burn like a rocket and quickly fill the barrow with a toxic mix of SO2 and CO, while the gases and burn byproducts are harmless to plants. Eaven if the gas doesent kill him, the soil stinks of sulphur and he will move to neighbours garden
I never got luck with traps. Some report sucsess with mole pistols, those are cast heavyly out of aluminium and have a firing mechanism that fires when the gopher wants to burry the barrow end. They are loaded with 9mm blanks. But those are too dangerous for me.
Anyway, l gassed myne the other day and l found no new barrows ever since.