沟垄覆膜对连作马铃薯土壤酶活性、理化性状及产量的影响

要凯,赵章平,康益晨,张卫娜,石铭福,杨昕宇,范艳玲,秦舒浩

Effects of ridge-furrow mulching on soil enzyme activity, physicochemical properties and yield in continuous cropping potato field

Kai YAO,Zhang-Ping ZHAO,Yi-Chen KANG,Wei-Na ZHANG,Ming-Fu SHI,Xin-Yu YANG,Yan-Ling FAN,Shu-Hao QIN

表1 试验地土壤化学性质

Table 1 Chemical properties of the soil at the test site

土层 Soil depth (cm) pH 速效N Available N (mg kg-1) 速效P Available P (mg kg-1) 速效K Available K (mg kg-1) 0-5 8.3 10.5 12.9 346.8 5-10 8.4 11.8 11.1 327.3 10-30 8.3 10.9 4.4 240.2