摘要
在宁夏贺兰山东麓银川芦花台、青铜峡甘城子和永宁黄羊滩3个葡萄产区选取具有代表性的酿酒葡萄园,通过测定表征土壤肥力的16个指标,利用主成分分析建立贺兰山东麓葡萄园土壤肥力质量评价的最小数据集,并结合模糊数学评价各产区葡萄园土壤肥力质量。结果表明,研究区16个土壤理化指标中速效磷为强度变异,碱解氮、速效钾、有效铜、交换态盐基钙、胡敏酸、富里酸、腐殖质、硒、有效硼、有机质、胡敏素、全钙、全硼和全铜为中等变异,pH值为弱变异。不同产区相比较,银川芦花台土壤有机质、胡敏素、有效硼和速效磷含量比青铜峡甘城子和永宁黄羊滩分别高53.7%、20.3%、17.2%、334.8%和44.4%、19.9%、13.8%、15.4%;永宁黄羊滩土壤腐殖质、富里酸、胡敏酸、碱解氮、速效钾、全钙、交换态盐基钙、全铜和有效铜含量比银川芦花台和青铜峡甘城子分别高13.1%、6.1%、9.9%、5.9%、25.8%、4.5%、63.7%、36.1%、30.6%和31.9%、25.5%、45.4%、77.7%、30.8%、10.9%、59.3%、28.6%、79.3%;土壤pH值比银川芦花台和青铜峡甘城子分别低4.28%和4.95%;青铜峡甘城子土壤全硼含量比银川芦花台和永宁黄羊滩分别高12.6%和14.4%。通过主成分分析,贺兰山东麓葡萄园土壤肥力评价的最小数据集为有机质、pH值、速效磷、全硼和有效硼5个指标。综合评价,银川芦花台土壤肥力指数为0.543,属于中等肥力;青铜峡甘城子和黄羊滩土壤肥力指数分别为0.343和0.460,属于低等肥力。通过相关性分析,全部数据集指标建立的SFI值(SFI-TDS)与最小数据集指标建立的SFI值(SFI-MDS)间呈极显著正相关,相关系数达到0.914,故利用最小数据集指标能够代替全部数据集指标评价宁夏贺兰山东麓葡萄园土壤肥力状况。
Soil fertility assessment of vineyards in the eastern foothills of Helan Mountain was performed using the minimum data set(MDS)established by Principal Component Analysis(PCA)and soil fertility index(SFI)calculated with PCA and fuzzy mathematics.The investigated zone included the grape production regions of Luhuatai of Yinchuan,Ganchengzi of Qingtongxia,and Huangyangtan of Yongning.Sixteen soil physic-chemical indicators were measured including organic matter,humus,fulvic acid,humic acid,humin,available potassium(K),alkaline hydrolyzable-nitrogen(N),available phosphorus(P),pH values,total calcium(Ca),exchangeable Ca,total copper(Cu),available Cu,total boron(B),available B,and selenium(Se).Results showed that soil available P was the severe variation parameter;alkaline hydrolyzable-N,available K,available Cu,exchangeable Ca,humic acid,fulvic acid,humus,Se,available B,organic matter,humin,total Ca,total B,and total Cu were the intermediate variations parameters;and pH value was least variation parameter.The content of soil organic matter,humin,available B and available P in Luhuatai of Yinchuan were higher by 53.7%,20.3%,17.2%,334.8%,44.4%,19.9%,13.8%,and 15.4%than those in Ganchengzi of Qingtongxia and Huangyangtan of Yongning,respectively.The content of humus,fulvic acid,humic acid,alkaline hydrolyzable-N,available K,total Ca,exchangeable Ca,total Cu and available Cu in Huangyangtan of Yongning were higher by 13.1%,6.1%,9.9%,5.9%,25.8%,4.5%,63.7%,36.1%,30.6%,and 31.9%,25.5%,45.4%,77.7%,30.8%,10.9%,59.3%,28.6%,79.3%than those in Luhuatai of Yinchuan and Ganchengzi of Qingtongxia,respectively,while the soil pH value was lower by 4.28%and 4.95%,respectively.The content of total B in Ganchengzi of Qingtongxia was higher by 12.6%and 14.4%than that in Luhuatai of Yinchuan and Huangyangtan of Yongning,respectively.Through principal component analysis,the minimum data set was organic matter,pH value,available P,total B and available B for soil fertility evaluation of vineyards in the eastern foothills of Helan Mountain.C
作者
朱娟娟
马海军
李敏
倪志婧
刘雅琴
王薇
ZHU Juanjuan;MA Haijun;LI Min;Ni Zhijing;Liu Yaqin;Wang Wei(College of Biological Science and Engineering,North Minzu University,Yinchuan, Ningxia 750021, China;2 Ningxia Grape & Wine Innovation Center,Yinchuan, Ningxia 750021, China)
出处
《干旱地区农业研究》
CSCD
北大核心
2020年第3期172-180,187,共10页
Agricultural Research in the Arid Areas
基金
宁夏高等学校科学研究项目(NGY2016158)
宁夏自然基金项目(2018AAC03104)
北方民族大学人才引进启动基金项目。
关键词
葡萄园
土壤肥力
主成分分析
最小数据集
贺兰山东麓
vineyards
soil fertility
PCA
the minimum data set
the eastern foothills of Helan Mountain
