Research Article
[Retracted] Spatial-Temporal Variation Characteristics of Soil Moisture and Nutrients Based on Nanomaterials in the Root Zone of Haloxylon ammodendron Seedlings
Figure 11
Content of available phosphorus at soil horizontal-vertical space in the root zone of seedlings in growth period. Note: different capital letters showed that the soil moisture content of the same layer in the same period has significant differences at different horizontal distances ().