兰州新区黄土工程开挖边坡植被重建初期土壤水分初步研究

刘乐, 孙宏义, 蔡忠兰, 张建新, 李东泽

Preliminary study on the soil moisture of slopes of loess in Lanzhou New Area formed by engineering excavation in the early stage of revegetation

Le LIU, Hongyi SUN, Zhonglan CAI, Jianxin ZHANG, Dongze LI

表3 种草前对照坡面原状土0 ~ 50 cm土层土壤含水量

Table 3 Soil moistures in 0 - 50 cm soil layer of original soil in the experimental slope before planting grass

土层 土壤深度/cm 土壤含水量/% 平均土壤含水量/% 表层土 0 ~ 2 0.52±0.30 0.52±0.30 表层土以下 2 ~ 10 5.17±0.20 6.20±0.60 10 ~ 20 6.32±0.04 20 ~ 30 6.75±0.52 30 ~ 40 6.38±0.23 40 ~ 50 6.41±0.21