黑土水溶性有机碳对有机物料还田的响应
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魏丹,蔡姗姗,李艳,金梁,王伟,李玉梅,白杨,胡钰
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The Response of Water-Soluble Organic Carbon to Organic Material Applications in Black Soil
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Dan WEI,ShanShan CAI,Yan LI,Liang JIN,Wei WANG,YuMei LI,Yang BAI,Yu HU
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表1 土壤理化特性(0—20 cm)
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Table 1 Physical and chemical characteristics of soil (0-20 cm)
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年份 Year | 处理 Treatment | 有机碳 TOC (g·kg-1) | 全氮 Total N (g·kg-1) | 全磷 Total P (g·kg-1) | 全钾 Total K (g·kg-1) | 碱解氮Available N (mg·kg-1) | 速效磷Available P (mg·kg-1) | 速效钾Available K (mg·kg-1) | pH | 2013 | 均值Mean | 30.03 | 1.81 | 1.69 | 18.9 | 129.12 | 11.19 | 202.2 | 6.36 | 2019 | NPK | 27.76 | 1.81 | 1.16 | 18.30 | 85.7 | 27.69 | 172.4 | 6.19 | MNPK | 30.78 | 2.28 | 1.52 | 23.40 | 106.64 | 33.35 | 286.3 | 6.49 | SNPK | 30.45 | 2.04 | 1.30 | 22.10 | 97.48 | 20.86 | 234.7 | 6.69 | BNPK | 30.06 | 1.97 | 1.01 | 23.30 | 91.59 | 27.13 | 198.3 | 6.51 |
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