免耕对农田土壤持水特性和有机碳储量影响的区域差异
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李婧妤,李倩,武雪萍,吴会军,宋霄君,张永清,刘晓彤,丁维婷,张孟妮,郑凤君
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Regional Variation in the Effects of No-Till on Soil Water Retention and Organic Carbon Pool
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LI JingYu,LI Qian,WU XuePing,WU HuiJun,SONG XiaoJun,ZHANG YongQing,LIU XiaoTong,DING WeiTing,ZHANG MengNi,ZHENG FengJun
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表1 4个试验地点基本信息
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Table 1 Basic of the four experimental site
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地点
Site | 试验起始年
Experiment
starting year | 年均气温
Annual average
temperature (℃) | 年均降水
Annual precipitation (mm) | 作物
Crop | 土壤类型
Soil type | 土壤颗粒组成 Soil particle composition (%) | 黏粒
(0-0.002 mm)
Clay | 粉粒
(0.002-0.05 mm)
Silt | 砂粒
(0.05-2 mm)
Sand | 吉林公主（GZL）
Gongzhuling, Jilin | 1990 | 5.6 | 594.8 | 春玉米
Spring corn | 黑土
Black soil | 31.1 | 29.9 | 39.1 | 山西寿阳（SSY）
Shouyang, Shanxi | 2003 | 7.4 | 461.8 | 春玉米
Spring corn | 褐土
Cinnamon soil | 5.6 | 63.9 | 30.5 | 河北廊坊（HLF）
Langfang, Hebei | 2009 | 11.9 | 550.0 | 冬小麦-夏玉米
Winter wheat-
summer corn | 潮土
Fluvo-aquic soil | 4.1 | 51.4 | 44.5 | 山西临汾（SLF）
Linfen, Shanxi | 1992 | 10.7 | 555.0 | 冬小麦
Winter wheat | 黄绵土
Loessal soil | 5.2 | 73.9 | 20.9 |
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