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4 沟垄覆膜连作种植马铃薯对土壤碱性磷酸酶活性的影响

Table 4 Effect of ridge-furrow mulching planting pattern on alkaline phosphatase activity of continuous cropping

处理 Treatment	碱性磷酸酶活性 Alkaline phosphatase activity (mg g^-1)
处理 Treatment	2016-Jun-5	2016-Jul-10	2016-Aug-25	2017-Jun-5	2017-Jul-10	2017-Aug-25	2018-Jun-5	2018-Jul-10	2018-Aug-25
CK	20.47 d	19.97 a	25.13 a	32.75 a	22.23 a	32.49 b	20.61 b	20.52 a	23.64 b
T1	22.03 c	20.78 a	26.31 a	36.97 a	25.32 a	36.55 ab	24.45 ab	25.15 a	24.08 ab
T2	26.83 a	21.20 a	28.85 a	41.33 a	27.38 a	38.67 a	26.64 a	28.06 a	43.90 a
T3	24.15 b	20.07 a	25.90 a	35.58 a	26.17 a	36.22 ab	25.54 ab	23.96 a	37.44 ab
T4	26.65 a	21.61 a	27.48 a	39.04 a	27.21 a	38.44 a	23.27 ab	25.16 a	38.90 a
T5	20.91 d	21.74 a	26.63 a	38.73 a	26.08 a	34.06 ab	25.70 ab	23.49 a	32.68 ab