摘要
通过测定,襄阳市襄州区土壤有机质含量比较低,近年来有增加趋势;土壤碱解氮含量与有机质有明显的一致性,含量也偏底,但近年来有所提高;襄州区土壤速效磷含量缺乏,但近年来得到提高;土壤速效钾含量在下降;土壤有酸化趋势。
After determinating,we find that the content of organic matter in Xiangzhou district is in a low position and this situation is showing a tendency of increase,and so is alkali-hydrolyzable nitrogen.The available phosphorus in soil is in a low position too,but it has been raised in resent years.The content of potassium is tending downwards and the soil trends toward further acidified.
出处
《襄樊职业技术学院学报》
2011年第2期18-20,24,共4页
Journal of Xiangfan Vocational and Technical College