The exchangeable calcium content of different loamy soils is quite different. The sandy soil content is the highest, with an average of 1186.96mg/kg, and the variation range is 145.6~3772.8mg/kg, the content is very uneven; the middle loam soil has the lowest content, with an average of 1160.67mg/kg. , The change range is 386.4mg/kg~2721.6mg/kg. The exchangeable calcium content of each loamy soil from high to low is as follows
正在翻译中..