摘要
测定了吉林省5个大豆种植区土壤稀土元素(REE)的含量,分析了稀土的组成及其在土壤剖面中的变化与大豆产量之间的相关关系,揭示了5个大豆种植区土壤REE的特征及空间分布规律。结果表明:5个大豆种植区,自东向西,土壤REE丰度随深度增加表现为增高的特征,土壤稀土元素丰度与大豆产量之间的关系为正相关。
The content of rare elements in the five main soybean planting areas of Jilin province was studied. Their compositions, their changes in the soil section and their relation with soybean yield were analyzed. The properties of REE in soil and regularities of space distribution were revealed.The results showed that REE increases with the deepening of soil from the east to the west in the five soybean planting areas of Jilin province, and the content of rare elements and the soybean yield in these areas are positively correlated.
出处
《吉林农业大学学报》
CAS
CSCD
北大核心
2004年第3期305-309,共5页
Journal of Jilin Agricultural University
基金
吉林省科技发展项目(990532)
关键词
稀土元素
大豆
产量
相关性
吉林省
rare element
soybean
yield
correlation
Jilin province
