3Wang X B, Dai K, Zhang D C. Dryland maize yields and water use effi- ciency in response to tillage/crop stubble and nutrient management practices in China[J]. Field Crops Research. 2011(120): 47-57.
4Dam R F, Mehdi B B, Burgess M S E. Soil bulk density and crop yield under eleven consecutive years of corn with different tillage and residue practices in a sandy loam soil in central Canada[J]. Soil and Tillage Research, 2005(84): 41-53.
5Fausey N R, Lal R, Mahbouhi A A. Long-term tillage and rotation ef- fects on properties of a central Ohio soil[J]. Soil Science Society of Amer- ica Journal, 1994(58): 517-522.
6Johnson-Maynard J L, Umiker K J, Guy S O. Earthworm dynamics and soil physical properties in the first three years of no-till management[J]. Soil & Tillage Research, 2007(94): 338-345.
7Ogle S M, Swana A, Paustian K. No-till management impacts on crop productivity, carbon input and soil carbon sequestration[J[. Agriculture, Ecosystems and Environment, 2012(149): 37-49.
8So H B, Grabski A, Desborough P. The impact of 14 years of conven- tional and no-till cultivation on the physical properties and crop yields of a loam soil at Grafton NSW, Australia[J]. Soil and Tillage Research, 2009(104): 180-184.
9Edwards W M, Shipitalo M J, Traina S J. Role of lumbricus terrestfis (L.) burrows on quality of infiltrating water[J]. Soil Biology and bio- chemistry, 1992(24): 1555-1561.