不同油葵种植方式对银北灌区盐碱地土壤温度、含水率和电导率的影响

樊丽琴,李磊,吴霞

Effects of Different Planting Patterns for Oil Sunflower on Saline-Alkali Soil Temperature, Moisture and Electrical Conductivity in Northern Yinchuan Irrigation District

Liqin Fan,Lei Li,Xia Wu

表3 不同处理种植区土壤电导率差异

Table 3 Differences of soil electrical conductivity in growing areas among different treatments mS/cm

采样时期 Sampling period 土层(cm) Soil layer 处理Treatment T1 T2 T3 T4 T5 T6 T7 本底值 0~20 0.53±0.03b 0.54±0.02b 0.56±0.04ab 0.49±0.06b 0.62±0.07ab 0.70±0.02a 0.69±0.07a Background value 20~40 0.54±0.03a 0.60±0.04a 0.62±0.08a 0.54±0.03a 0.50±0.03a 0.69±0.08a 0.68±0.08a 40~60 0.77±0.08ab 0.89±0.10a 0.57±0.01b 0.65±0.04ab 0.72±0.05ab 0.71±0.14ab 0.71±0.09ab 苗期 0~20 0.82±0.02a 0.75±0.00ab 0.72±0.03b 0.67±0.01b 0.71±0.01b 0.69±0.04b 0.74±0.06ab Seedling stage 20~40 0.84±0.02b 0.83±0.04b 0.81±0.04b 0.80±0.03b 0.80±0.03b 0.88±0.05b 1.18±0.10a 开花期 0~20 0.90±0.08a 0.72±0.03b 0.64±0.02bc 0.58±0.03c 0.63±0.02bc 0.46±0.04d 0.67±0.01bc Flowering stage 20~40 0.64±0.09ab 0.85±0.08a 0.67±0.06ab 0.51±0.02b 0.69±0.06ab 0.87±0.09a 0.83±0.07a 40~60 0.66±0.01b 1.29±0.20a 0.67±0.07b 0.37±0.04c 0.53±0.03bc 0.81±0.06b 0.73±0.07b