push the ends towards the middle so the potato opens up. these are mixed into the compost when you plant up your containers and will last up to one growing season, the feed being released bit by bit every time your water your containers. let other families know what’s great, or what could be improved. 16. the charge value one proton is ………. and it's like a block away from my house. i must mention that the university and its students have a very poor communication and support. it’s been two years; do we know yet? 