WANG Yueming,DING Xinyu,SHI Fangming,et al.Correlation Between Kernel Quality of ‘Lyuling’ Walnut and Soil Chemical Properties Under Different Producing Areas[J].Northern Horticulture,2026,(17):100-109.[doi:10.11937/bfyy.20260085]
‘绿岭’核桃坚果品质与不同产地条件下土壤化学性质相关性研究
- Title:
- Correlation Between Kernel Quality of ‘Lyuling’ Walnut and Soil Chemical Properties Under Different Producing Areas
- 文章编号:
- 1001-0009(2026)17-0100-10
- 分类号:
- S664.1
- 文献标志码:
- A
- 摘要:
- 以‘绿岭’核桃为试材，采用典型样地调查与采样方法，研究了不同产地条件下土壤化学性质与核桃坚果品质之间的相关性，以期为该品种选择适宜栽培地点提供参考依据。结果表明：在土壤化学性质中，临城县贾庄村土壤全氮含量最高为1.83 g·kg-1；遵化市后窑村土壤全磷含量最高为0.99 g·kg-1；涉县连泉村土壤全钾含量最高为42.88 g·kg-1；在‘绿岭’核桃坚果品质中，遵化市后窑村核桃种仁可溶性蛋白质含量最高为7.13 mg·g-1；临城县贾庄村核桃出仁率含量最高为57.82%。相关性分析结果表明，土壤全氮含量与核桃出仁率呈极显著正相关，相关系数为0.641；土壤全钾含量与核桃出仁率呈极显著负相关，相关系数为-0.784，与可溶性糖呈极显著正相关，其相关系数分别为0.705；土壤全磷含量与种仁可溶性蛋白质呈显著正相关，相关系数为0.521。土壤养分与核桃品质之间具有较强的相关性，因此，合理调控土壤养分有助于提升核桃品质。
- Abstract:
- Taking walnut (Juglans regia L.‘Lyuling’) as the test material,the correlation between soil chemical properties and walnut kernel quality under different production conditions was studied by using the typical plot investigation and sampling method,in order to provide references for the selection of suitable cultivation sites for this variety.The results showed that among the soil chemical properties,the total nitrogen content in the soil of Jiazhuang village,Lincheng county was the highest,reaching 1.83 g·kg-1;the total phosphorus content in the soil of Houyao village,Zunhua city was the highest,reaching 0.99 g·kg-1;the total potassium content in the soil of Lianquan village,She county was the highest,reaching 42.88 g·kg-1. Among the ‘Lyuling’ walnut kernel quality,the soluble protein content of the walnut kernel in Houyao village,Zunhua city was the highest,reaching 7.13 mg·g-1;the kernel yield rate of the walnut in Jiazhuang village,Lincheng county was the highest,reaching 57.82%.Correlation analysis revealed that the total nitrogen content in the soil was highly significantly positively correlated with the kernel yield rate of the walnut,with a correlation coefficient of 0.641;the total potassium content in the soil was highly significantly negatively correlated with the kernel yield rate of the walnut,with a correlation coefficient of -0.784,and highly significantly positively correlated with the soluble sugar content,with a correlation coefficient of 0.705;the total phosphorus content in the soil was significantly positively correlated with the soluble protein content of the walnut kernel,with a correlation coefficient of 0.521.Soil nutrients are closely related to the quality of walnuts.Therefore,properly regulating soil nutrients can help improve the quality of walnuts.
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备注/Memo
第一作者简介：王月铭(1999-)，男，硕士研究生，现主要从事经济林等研究工作。E-mail：1758585659@qq.com.责任作者：齐国辉(1969-)，女，博士，教授，现主要从事经济林等研究工作。E-mail：bdqgh@sina.com.基金项目：国家重点研发计划子课题资助项目（2022YFD1600402-02）；河北省重点研发计划子课题资助项目（21326304D-2）。收稿日期：2026-01-08