| 张秋琴,周宝同,高明.重庆市不同类型植烟土壤肥力状况研究[J].干旱地区农业研究,2006,(4):25~29 |
| 重庆市不同类型植烟土壤肥力状况研究 |
| The fertility status in different types of soil in tobacco-growing areas in Chongqing |
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| DOI：10.7606/j.issn.1000-7601.2006.04.06 |
| 中文关键词: 烟区土壤 肥力状况 合理施肥 |
| 英文关键词:tobacco-growing areas soil fertility rational fertilization |
| 基金项目:重庆市科委(03-7948)； 重庆市烟叶公司(200205)资助 |
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| 中文摘要: |
| 对重庆市不同类型植烟土壤取样217个(石灰岩土土样20个,黄壤土样133个,黄棕壤土样34个,紫色土土样18个,黑色石灰土土样12个),研究不同类型植烟土壤肥力状况。经测定分析得出:重庆烟区土壤大多呈酸性,有机质含量较高,与农户施用有机肥有关。大量元素中全氮含量较高,速效氮含量适中;钙、镁、硫等中量元素和铁、锰、铜、钼、锌等微量元素含量丰富,较适合烤烟生长。根据分析结果提出了控氮,适当补磷和硼,增钾,普遍增氯禁硫的原则以改良土壤质量。 |
| 英文摘要: |
| 217 soil samples has been selected from different types of tobacco-growing soils in Chongqing,in which 20 were from limestone earth soil,133 from yellow soil,34 from yellow brown earth soil,18 from purple ochre soil and 12 from black lime soil.The analyses show that most of the soils are a bit acidic and rich in OM that is related to the manure applications by farmers.Among the mass elements,the content of total nitrogen is relatively high and the content of available N is moderate.The contents of the mid-elements such as calcium,magnesium and sulfur,and the trace elements such as iron,manganese,copper,molybdenum and zinc,are abundant for the growth of tobacco.In order to improve the soil quality,a fertilization principle is proposed to control nitrogen,to supplement phosphorus and boron properly,to add potassium,to increase chlorine universally and to inhibit sulfur. |
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