石灰和有机肥配合对新垦红壤的肥力和花生产量影响

石灰和有机肥配合对新垦红壤的肥力和花生产量影响
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作者单位:1.江西省农业科学院土壤肥料与资源环境研究所/国家红壤改良工程技术研究中心/农业农村部长江中下游作物生理生态与耕作重点实验室/农业农村部酸化土改良与利用重点实验室/国家农业环境宜春观测实验站/耕地改良与质量提升江西省重点实验室;2. 江西农业大学;3.井冈山红壤研究所（江西省农业科学院井冈山分院）;4.1 江西省农业科学院土壤肥料与资源环境研究所/国家红壤改良工程技术研究中心/农业农村部长江中下游作物生理生态与耕作重点实验室/农业农村部酸化土改良与利用重点实验室/国家农业环境宜春观测实验站/耕地改良与质量提升江西省重点实验室，2井冈山红壤研究所（江西省农业科学院井冈山分院）;5.江西省农业科学院土壤肥料与资源环境研究所/国家红壤改良工程技术研究中心/农业农村部长江中下游作物生理生态与耕作重点实验室/农业农村部酸化土改良与利用重点实验室/国家农业环境宜春观测实验站/耕地改良与质量提升江西省重点实验室;6.江西农业大学;7.中国科学院南京土壤研究所;8.江西省农业技术推广中心;9.井冈山农业科技园管理委员会
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中图分类号:S156.6
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Interactive Effects of Lime and Organic Fertilizer on Soil Fertility and Peanut Yield in Newly Reclaimed Upland Red Soils

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1 Soil and Fertilizer &2.Resources and Environment Institute, Jiangxi Academy of Agricultural Sciences/ National Engineering and Technology Research Center for Red Soil Improvement / Key Laboratory of Crop Ecophysiology and Faming System for the Middle and Lower Reaches of the Yangtze River, Ministry of Agriculture and Rural Affairs/Key Laboratory of Acidification Soil Improvement and Utilization, Ministry of Agriculture and Rural Affairs/ National Agricultural Experimental Station for Agricultural Environment of Yichun/ Key Laboratory of Arable Land Improvement and Quality Improvement of Jiangxi Province, 2 Jiangxi Agricultural University;3.Jinggangshan Institute of Red Soil, Jinggangshan Branch of Jiangxi Academy of Agricultural Sciences;4.Resources and Environment Institute, Jiangxi Academy of Agricultural Sciences/ National Engineering and Technology Research Center for Red Soil Improvement / Key Laboratory of Crop Ecophysiology and Faming System for the Middle and Lower Reaches of the Yangtze River, Ministry of Agriculture and Rural Affairs/Key Laboratory of Acidification Soil Improvement and Utilization, Ministry of Agriculture and Rural Affairs/ National Agricultural Experimental Station for Agricultural Environment of Yichun/ Key Laboratory of Arable Land Improvement and Quality Improvement of Jiangxi Province，2Jinggangshan Institute of Red Soil, Jinggangshan Branch of Jiangxi Academy of Agricultural Sciences;5.Soil and Fertilizer &6.Resources and Environment Institute, Jiangxi Academy of Agricultural Sciences/ National Engineering and Technology Research Center for Red Soil Improvement / Key Laboratory of Crop Ecophysiology and Faming System for the Middle and Lower Reaches of the Yangtze River, Ministry of Agriculture and Rural Affairs/Key Laboratory of Acidification Soil Improvement and Utilization, Ministry of Agriculture and Rural Affairs/ National Agricultural Experimental Station for Agricultural Environment of Yichun/ Key Laboratory of Arable Land Improvement and Quality Improvement of Jiangxi Province;7.Jiangxi Agricultural University;8.Institute of Soil Science ,Chinese Academy of Sciences;9.Agricultural Technology Extension Station;10.Jinggangshan Agricultural Science and Technology Park Management Committee;11.amp

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新垦红壤旱地酸瘦问题突出，施用石灰与有机肥是改良红壤的有效措施，但其对土壤肥力及花生产量的影响及互作效应仍不清楚。以红砂岩发育的新垦红壤旱地为研究对象，系统分析了石灰、有机肥及其联合施用对土壤化学肥力、胞外酶活性及其计量特征和花生产量的影响及互作效应。结果表明，石灰与有机肥联合施用显著提升了土壤pH值、有机质及速效养分含量，花生增产效果最为显著。施石灰与有机肥显著提高了土壤碳、氮、磷循环相关胞外酶活性，且互作效应显著。酶化学计量矢量分析发现，石灰与有机肥联合施用有效缓解了新垦红壤旱地微生物碳、磷代谢限制，促进了养分循环。主成分分析综合评价显示，各处理对土壤酶活性、化学性质及花生产量总体改善效果排序为:石灰与有机肥联合施用LM（0.61）>有机肥M（0.15）>石灰L（-0.25）>化肥CK（-0.52）。综上所述，石灰与有机肥联合施用通过改善环境限制因子和提高养分有效性的双重效应，提升了新垦红壤的土壤肥力和作物产量。

Abstract:

Newly reclaimed red soil uplands are severely constrained by high acidity and low fertility. The application of lime and organic fertilizer is an effective measure to improve red soil, yet their interactive effects on soil fertility and peanut yield remain unclear. Taking newly reclaimed red soil derived from red sandstone as the research object, this study systematically investigated the effects and interactive impacts of lime, organic fertilizer and their combined application on soil chemical fertility, extracellular enzyme activities and their stoichiometric characteristics, as well as peanut yield. The results demonstrated that the combined application of lime and organic fertilizer significantly increased soil pH, organic matter and available nutrient contents, and achieved the most significant increase in peanut yield. The application of lime and organic fertilizer significantly enhanced the activities of extracellular enzymes involved in soil carbon, nitrogen and phosphorus cycling, with significant interactive effects. Vector analysis of enzyme stoichiometry revealed that the combined application of lime and organic fertilizer effectively alleviated microbial carbon and phosphorus metabolic limitations in newly reclaimed red soil uplands and promoted nutrient cycling. Comprehensive evaluation based on principal component analysis showed that the overall improvement effects of each treatment on soil enzyme activities, chemical properties and peanut yield ranked as follows: combined lime and organic fertilizer application (LM, 0.61)>organic fertilizer (M, 0.15) > lime (L, -0.25) > chemical fertilizer control (CK, -0.52). In conclusion, the combined application of lime and organic fertilizer improves the soil fertility and crop yield of newly reclaimed red soils through the dual effects of mitigating environmental limiting factors and enhancing nutrient availability.

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收稿日期:2026-05-11
最后修改日期:2026-07-19
录用日期:2026-07-24
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