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
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要凯,赵章平,康益晨,张卫娜,石铭福,杨昕宇,范艳玲,秦舒浩
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Effects of ridge-furrow mulching on soil enzyme activity, physicochemical properties and yield in continuous cropping potato field
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Kai YAO,Zhang-Ping ZHAO,Yi-Chen KANG,Wei-Na ZHANG,Ming-Fu SHI,Xin-Yu YANG,Yan-Ling FAN,Shu-Hao QIN
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表 3 沟垄覆膜连作种植马铃薯对土壤脲酶活性的影响
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Table 3 Effect of ridge-furrow mulching planting pattern on urease activity of continuous cropping potato
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处理
Treatment | 脲酶活性 Urease activity (mg g-1) | | 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 | 1.18 f | 12.73 b | 4.93 a | — | 2.67 b | 3.44 e | 3.84 c | 7.04 b | 1.73 a | | T1 | 1.46 d | 14.71 ab | 4.78 a | — | 4.66 a | 4.34 a | 5.27 c | 8.85 b | 1.81 a | | T2 | 6.09 a | 16.52 a | 6.98 a | — | 5.07 a | 4.41 a | 9.57 a | 12.45 ab | 2.68 a | | T3 | 4.84 c | 14.07 ab | 5.80 a | — | 3.59 ab | 4.02 c | 9.07 a | 9.46 bc | 2.55 a | | T4 | 5.13 b | 15.23 ab | 6.08 a | — | 5.11 a | 4.16 b | 6.55 b | 13.40 a | 2.49 a | | T5 | 4.47 e | 14.45 ab | 5.68 a | — | 4.20 ab | 3.73 d | 8.93 a | 10.31 abc | 2.51 a |
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