湖南祁阳县土壤酸化主要驱动因素贡献解析
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周海燕,徐明岗,蔡泽江,文石林,吴红慧
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Quantitative Analysis of Driving-Factors of Soil Acidification in Qiyang County, Hunan Province
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ZHOU HaiYan,XU MingGang,CAI ZeJiang,WEN ShiLin,WU HongHui
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表1 主要农作物和柑橘的年度养分输入量
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Table 1 Element input of main crops and orange
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输入形式 Input | 作物类型 Crop | N (kg·hm-2·a-1) | P2O5 (kg·hm-2·a-1) | K2O (kg·hm-2·a-1) | Ca (kg·hm-2·a-1) | Mg (kg·hm-2·a-1) | 化肥带入 Chemical fertilizer input | 水稻 Rice | 180 | 59 | 78 | 1.4 | - | 玉米Corn | 216 | 65 | 42 | 1.6 | - | 花生Peanut | 120 | 52 | 70 | 1.2 | - | 油菜Rape | 160 | 51 | 74 | 1.2 | - | 甘薯Sweet potato | 102 | 45 | 51 | 1.1 | - | 大豆Soybean | 165 | 41 | 41 | 1.0 | - | 柑橘Citrus | 239 | 83 | 93 | 2.0 | - | 大气沉降 Atmospheric deposition | | 47.6 | - | 2.8 | 15 | 2.4 |
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