Several types of curved subsoiler shapes are designed and founded , and the macroscopical disturbing profile of soil after subsoiling and these subsoilers ' working resistance are measured with a big laboratory soil bin , the manner of graphics expression about the macroscopical disturbing profile of soil after subsoiling is quantificationally given , and the relation between the cultivation resistance and the macroscopical disturbing profile of soil after subsoiling is analyzed
मोबाइल