A Field Study on the Bulk Deep Loading Tillage Technology　in the Loess Plateau Area

A field study on the bulk deep loosing tillage technology was carried out in the Loess Plateau area to investigate its mechanism for increasing agricultural production and economic benefit based on the environmental conditions． According to the study， the technology is a key tillage method for soil and water conservation and production increasing in the area． A normalized tillage mechanization mode of operation in the area was suggested．