施肥对半干旱沙地玉米生产力及其稳定性的影响
张蕊, 武雅琳, 李玉霖, 连杰

The influence of fertilization on the sandy farmland productivity and stability of corn in semi-arid areas
Rui Zhang, Yalin Wu, Yulin Li, Jie Lian
表1 研究区0~20 cm土壤常规理化性质
Table 1 Soil physicochemical properties of 0-20 cm in the study area
pH土壤容重/(g·cm-3

有机质

/(g·kg-1

全氮

/(g·kg-1

全磷

/(g·kg-1

速效氮/(mg·kg-1有效磷/(mg·kg-1速效钾/(mg·kg-1
8.26~8.551.30~1.538.3~14.80.45~0.620.62~0.8546.6~56.525.6~32.2147.0~179.7