摘要
调查研究了宁夏贺兰山东麓御马酿酒葡萄基地不同种植年限的土壤微量元素铁、锰、铜、锌含量及分布。结果表明,洪积母质发育的地带性土壤全量微量元素含量比较低,只相当于全国平均水平的50%～67%。各土层土壤有效铜含量都在临界值以上;有效铁在剖面中各层含量远低于全国平均值,也低于果树有效铁丰缺的临界值;除表土外,在剖面中其它层次有效锌含量低于临界值;土壤有效锰含量基本在临界值以下。土壤有效性微量元素含量低的主要原因是来自石灰岩的洪积母质、高pH值、高碳酸钙含量及低有机质含量。
The trace elements （Fe. Mn. Cu. Zn） content and distribution in the wine grape base soil at the eastern foot of Helan mountain were investigated. The results indicated that the total contents of trace elements were 50% - 67%, lower than the average level of Chinese soil due to its diluvial parent material. Available Cu content was upwards of the critical level in all soil layers. Available Fe content was lower than the average level of Chinese soil and the critical level of fruit trees. Available Zn content was under the critical level except in surface layer. Available Mn content was under the critical level. The low availability of trace elements was mainly because of the calcific diluvial parent material, high pH, high level of calcium carbonate and low organic matter content in the soil.
出处
《中外葡萄与葡萄酒》
2008年第2期4-8,共5页
Sino-Overseas Grapevine & Wine
基金
国家自然科学基金项目(40161005)
宁夏林业局科技攻关项目"宁夏金沙葡萄基地改土培肥技术研究与示范"
宁夏自然科学基金项目(NZ0611)共同资助
关键词
微量元素
临界值
酿酒葡萄
宁夏
trace elements
critical level
wine grape
Ningxia
