3d) Adore eating a good salad plant (6)
4d) Dirk landed the wrong way in fight (8)
8d) Philosopher's stirring tale in sixties about Thailand (14)
10a) Round rear of stock I'm a mild working farmgirl (8)
20a) Sly Asian misinterpreted examination (8)
Apology for no answers. All help much appreciated
I had it as an anagram of 'tale in sixties' + t (for Thailand)t hough I do think that the -ism ending makes more sense. But if you include Siam in the anagram, it leaves a t short.