I got 100% of them rejected as overabundant and at the same time they took couple of my object photos. I guess need to switch to macro of objects.
You may have hit on a bad day..... While my association with FT was limited... they did accept some of my landscape work... but as Peter said.... it has to be exceptional... not that I thought mine were...
You might try again in a couple weeks, see if the mood has changed. I've always found it amusing how what is and what is not stock/commercial/whatever... changes from week to week.. same with "got too many".....
Landscape will sell... it's the bulk of my portfolio, you just have to find a niche with a landscape customer base. Keep at it.

=tom