河西绿洲农田土壤呼吸特征及其对长期施肥的响应

陈仕阳, 杨荣, 苏永中, 杜泽玉

Characteristics of soil respiration in farmland of Hexi oasis and its response to long-term fertilization

Shiyang Chen, Rong Yang, Yongzhong Su, Zeyu Du

表1 不同施肥处理土壤呼吸日变化与土壤温度日变化的相关性

Table 1 Correlation between diurnal variation of soil respiration and soil temperature

处理 M3 NP3 NP1M3 NPK1 NPK2 NPK3 NPK1M3 NPK2M2 NPK3M1 相关系数 0.601 0.383 0.425 0.498 0.624 0.638 0.466 0.517 0.551 显著性 0.000 0.003 0.001 0.000 0.000 0.000 0.000 0.000 0.000