I bought my bonsai tree in early July, this is my first one. It is a Chinese Elm, and I bought a small book to help with its basic care.
I also got a bonsai tree food dropper, but it seemed to half empty overnight (its meant to use one drop a day!!!), so I removed this quite quickly.
I have been on holiday for nearly 4 weeks, and my parents were keeping an eye on our plants.
When I got back yesterday my bonsai tree leaves were all crispy, but green in colour.

There are a couple of yellow leaves, but it had these when i bought it (only about half a dozen yellow leaves). Also, it drops a few leaves, but again it has always done this.
Im not sure as to whether the tree has been over watered or not watered enough?? My book, and other internet info, doesnt say what the leaves would look like in either case. However, the soil is moist.
I hope someone can point me in the right direction, and any information and advice would be greatly appreciated. Sorry for the long post, but I hope it includes enough info to help diagnose a problem!!!

Many thanks
Wilma