绿肥还田和减量施氮对甘肃河西灌区土壤质量及燕麦产量和品质的影响
周琦, 张靖, 王振龙, 施志国, 邓超超, 常浩, 柳洋, 周彦芳

Effects of Green Manure Incorporation and Nitrogen Fertilizer Reduction on Soil Quality, Oat Yield and Quality in Hexi Irrigation District of Gansu Province
Zhou Qi, Zhang Jing, Wang Zhenlong, Shi Zhiguo, Deng Chaochao, Chang Hao, Liu Yang, Zhou Yanfang
图1 不同处理对燕麦各生育期SPAD值的影响
不同小写字母表示处理间在P < 0.05水平差异显著,下同。
Fig.1 Effect of different treatments on SPAD of oat at different growth stages
Different lowercase letters indicate significant differences among different treatments at P < 0.05 level, the same below.