I am no expert but it looks to me as though the crop is almost ready for harvest. It has lost its glisten and the ears of barley are darkening and becoming dull.
The sumptuous crab apple blossom I photographed in the spring, is now yielding ripening fruit,
and the deserted wasp's nest, firmly built into an elderberry bush, looked slightly less threatening in this afternoon's light than the battleship grey of the other day.
Look, the plants along the field edges are turning tawny! Summer has almost run its course. :o(