干旱区不同灌溉量下后备耕地土壤水盐动态变化规律研究
李宝富, 熊黑钢, 张建兵, 栾福明, 张芳, 鲁魁锋

Dynamic of Soil Water-salt of Reserve Farmland in Arid Area Under Different Irrigation Conditions
Bao-fu LI, Hei-gang XIONG, Jian-bing ZHANG, Fu-ming LUAN, Fang ZHANG, Kui-feng LU
表1 试验地土壤机械组成
Table 1 Mechanical composition of experimental soil
土层深度(cm) 粉砂
(%)
极细砂(%) 细砂(%) 中砂(%) 粗 砂(%)
0~20 6.20 71.60 17.71 5.07 0.46
20~40 6.60 72.71 14.84 4.99 0.48
40~60 6.98 72.23 15.53 4.69 0.51
60~80 5.36 66.27 19.69 6.62 0.78
80~100 5.02 62.53 22.54 8.38 0.85