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当前位置: 首页 > 文章 > 沈阳市郊不同年限蔬菜温室土壤有效态微量元素分布特征 土壤通报 2009,40 (3) 648-652
Position: Home > Articles > Distributions of Available Micronutrients in Greenhouse Vegetable Soils with Different Utilization Ages in the Suburb of Shenyang Chinese Journal of Soil Science 2009,40 (3) 648-652

沈阳市郊不同年限蔬菜温室土壤有效态微量元素分布特征

作  者：
秦莹;娄翼来;周丹;张玉革;姜勇
单  位：
中国科学院;沈阳大学
关键词：
蔬菜温室;土壤;微量元素;土壤pH;土壤有机碳
摘  要：
对沈阳市郊大民屯镇不同使用年限蔬菜温室77个样点土壤有效态微量元素的分布特征进行调查研究的结果表明,土壤有效态Fe、Mn、Cu、Zn含量分别为8.57～60.30mgkg-1、2.69～22.43mgkg-1、0.64～7.52mgkg-1和0.56～9.29mgkg-1,变异系数为50%左右;随着温室使用年限的增加,土壤有效态Fe、Mn、Cu、Zn含量总体上呈增加的趋势;使用年限较短的蔬菜温室,土壤微量元素缺乏的可能性较大,而使用年限较长的蔬菜温室,土壤Cu和Zn超量的风险则相对较高。由于温室管理个体的差异,一些使用年限相对较长的温室通过置换土壤、施加腐熟牛粪、厩肥、作物秸秆以及其他有机物料等措施,也可使土壤中微量元素保持在较适宜的状态。温室土壤微量元素有效态含量与土壤pH呈极显著负相关关系(P<0.01),与土壤有机C含量呈极显著正相关关系(P<0.01)。
译  名：
Distributions of Available Micronutrients in Greenhouse Vegetable Soils with Different Utilization Ages in the Suburb of Shenyang
作  者：
QIN Ying1,3,LOU Yi-lai1,3, ZHOU Dan1,3, ZHANG Yu-ge2, JIANG Yong1 ( 1. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; 2. College of Biological and Environmental Engineering, Shenyang University, Shenyang 110044, China; 3. Graduate School of the Chinese Academy of Sciences, Beijing 100049, China)
关键词：
Vegetable greenhouse; Soil; Micronutrient; Soil pH; Soil organic carbon
摘  要：
The distribution of soil available micronutrients in vegetable greenhouses of different utilization ages with 77 sampling sites was examined in Damingtun Township of Shenyang . Results showed that the contents of soil available Fe, Mn, Cu and Zn were 8.57-60.30 mg kg-1, 2.69-22.43 mg kg-1, 0.64-7.52 mg kg-1 and 0.56-9.29 mg kg-1, respectively. The coefficient of variation was about 50% for test variables. Generally, soil available Fe, Mn, Cu, and Zn contents increased with the greenhouse utilization ages. The possibilities of micronutrient deficiency were more in greenhouses with shorter utilization ages, while the risks of Cu and Zn contamination were more in those with longer utilization ages. Some vegetable greenhouses with longer utilization ages could sustain a suitable micronutrient status with soil replace, cattle manure, stable manure, crop residue and other organic amendments, depending on the management level of individual farmers. Soil available micronutrient contents were negatively correlated with soil pH (P<0.01), but positively correlated with soil organic carbon (P<0.01).

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