In the process of maintaining emerald tree, watering is an important factor, which can affect the later growth. The amount of water can not be less, nor can it be poured too much. At ordinary times, it can not be poured as soon as you want. You can wait until the surface of the basin soil dries, and then water it. You need to pour it thoroughly once, until you can see the water at the bottom of the basin, then you can confirm that it is fully poured. Must not water too much, or the root can not absorb water, resulting in a part of the water accumulation, water in the basin soil, the root soaking in the root will inevitably appear rotten roots, so the transport function will be hindered.