采用土钻法和盆栽试验研究了渭北地区主要造林树种的垂直根系分布特征及其抗旱性。
Methods of soil auger and pot experiment were used to research vertical root distributions and drought resistance of main planting tree species in the Weibei loess plateau.
结果表明，在以坡向为主要影响因子的立地条件下，刺槐的根系分布特征表现出明显差异。
The results indicated that there were remarkable differences in both the vertical and horizontal root distribution patterns of Robinia pseudoacacia on slopes with different directions.
采用土柱模拟栽培法与大田试验相结合的方法，对松嫩平原不同株型玉米的根系分布特征进行了比较。
In a soil column culture and a field experiment, the comparison of root distribution of spreading-leaf and upright-leaf maize cultivars in Songnen Plain was studied.
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