Very deep ripping with shallow leading tines to profitably remove deeper compaction of sandplain

To test the effect of very deep ripping to 500mm with shallow leading tines and incorporation of limesand on a very deeply compacted acid sand plain soil.本试验旨在测试采用浅型前置松土齿实施深度达500毫米的超深松作业，并掺混石灰砂翻混入土，对极深压实酸性砂质平原土壤的作用效果。