When we only applied phosphate fertilizer the curve of the ultraclay limit at the acidic field fell considerably below the sticky limit curve and the plastic limit curve fell also.
单施磷肥，超粘限曲线在酸方大大降落于粘限曲线之下，韧限曲线也降低。
2
According to the construction characteristics on the ultra-soft clay foundation, the proposal of adopting a new generation of plastic drainage plate-based equipment was proposed.