施用有机肥对草皮田复耕土壤肥力和水稻产质量的影响

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中图分类号：S153 文献标识码：A 文章编号：1006-060X（2025）12-0032-06

引用格式：，等.施用有机肥对草皮田复耕土壤肥力和水稻产质量的影响[J].湖南农业科学，2025（12）：32-37.DOI：10.16498/j.cnki.hnnykx.2025.012.006

Abstract：Apotexperiment wasconductedtoevaluatetheefectsofthreecommonlyusedcommercialorganicfertlizers （chicken manure，rapesedakedoorganicfertilzeappledidiidualloiombiatioatqalatesindditiontoemalrtlir applicatioortilityiceyeldgautretttuiatedfassflseultsodhatodit theaplicationofolycemicalfertlier，teadditionalapplicatioofrgaicfertilizersicreasedthecontetofdissolvedganic carbon （DOC），available phosphorus （AP），and available potassium （AK） in soil by 11.9%-42.8% 35.3%-115.1% ，and 18.8‰ 58.9% ，respectively. Organic fertilizer application improved the integrated fertility index （IFI） by 75.6%-95.4% ，with the single applicationofchicken manureshowingthegreatestimprovement.Thesoleappicationofchicken manuresignificantlyincreasedthe ricegrain yieldby 38.8% .Organic fertilizer application altered the nutrient content in rice grains.Both individual applications and combined application of rapeseed cake and bio-organic fertilizer significantly increased the nitrogen （N） content in rice grains. All threerganicfertilizersappliedindividuallsignificantlydecreasedthecalcium（Ca）andmanganese（Mn）contentinicegrains.The single application of rapeseed cake significantly increased the zinc （Zn） ）content inrice grains.Bio-organic fertilizerapplied alone signifcantlyincreasedtheCacontent inricegrains.Thecombinedapplicationofchickenmanureandrapeseedcakeataratioof1：1 significantly increased both iron （Fe） and Zn content in rice grains.The content ofN，Ca，Mg，Fe，Mn，and Znin rice grains were withintheappropriaterangesofricenutrients.Inconcusion，theaplicationofchickenmanure wasan efective measure forsoil fertility and rice yield enhancement in re-cultivated turfgrassfelds.

Keywords： non-grain of cultivated land;re-cultivation of turfgrassfield;organicfertilizer，rice;soilfertility

近年来，随着工商资本下乡和土地加速流转，大量耕地转为苗木、草皮、经济林果或建设用地，不仅直接冲击“18亿亩耕地保护红线”，更对耕地的可持续生产能力造成了深层次、不可逆的破坏[1-2]。（剩余9944字）