Advice please., . The top bit of my lawn is all patchy I have put boxes and boxes of grass seed on last summer and it’s a mess !, , , , think a lot is to do with the birds taking the seed when down , what could I use please to stop this happening and would you suggest new soil maybe ?Advice please., . The top bit of my lawn is all patchy I have put boxes and boxes of grass seed on last summer and it’s a mess !, , , , think a lot is to do with the birds taking the seed when down , what could I use please to stop this happening and would you suggest new soil maybe ? Thanks