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2 土壤呼吸（ R_s ）与土壤温度（ T ）的关系方程参数以及土壤呼吸的温度敏感性系数（ Q₁₀ ）

Table 2 Fitted equation parameters of soil respiration rate with soil temperature and temperature sensitivity of soil respiration rate （ Q₁₀ ）

处理	拟合方程	R2	样本数	P	土壤呼吸温度敏感性系数Q₁₀
M3	R_s=3.828e^0.037^T	0.375	60	<0.01	1.448
NP3	R_s=2.663e^0.041^T	0.204	60	<0.01	1.507
NP1M3	R_s=2.906e^0.035^T	0.199	60	<0.01	1.419
NPK1	R_s=2.372e^0.041^T	0.269	60	<0.01	1.507
NPK2	R_s=2.818e^0.035^T	0.391	60	<0.01	1.419
NPK3	R_s=2.121e^0.047^T	0.448	60	<0.01	1.600
NPK1M3	R_s=3.001e^0.036^T	0.242	60	<0.01	1.433
NPK2M2	R_s=2.563e^0.042^T	0.297	60	<0.01	1.522
NPK3M1	R_s=2.683e^0.041^T	0.299	60	<0.01	1.507