Kravchenko AN. ；Bullock DG.,Correlation of corn and soybean grain yield with topography and soilproperties,Agronomy Journal？,2000, 92(1).
[6]
Kaspar T C,Colvin T S,Jaynes D B. Relationship between six years of corn yields and terrain attributes[J].Precision Agriculture,2003,(01):87-101.
[7]
Hobbs R J,Integrated landscape ecology:a western australian perspective,Biological Conservation,1993(3).
[8]
Marques J R,Silva D,Alexandre C,Spatial variability of irrigated corn yield in relation to field topography and soil chemical characteristics,Precision Agriculture,2005(5).
[9]
Spomer R G,Piest R F,Soil productivity and erosion of Iowa loess soils,Transactions of the American Society of Agricultural Engineers,1982(5).
[10]
Stone J R,Gilliam J W,Cassel D K,Effect of erosion and landscape position on the productivity of piedmont soils,Soil Science Society of America Journal,1985(4).
[11]
Afyuni M M,Cassel D K,Robarge W P,Effect of landscape position on soil water and corn silage yield,Soil Science Society of America Journal,1993(6).
[12]
Lyles L,Possible effects of wind erosion on soil productivity,Journal of Soil and Water Conservation,1975(6).
[13]
Frye W W,Ebelhar S A,Murdock L W,Soil erosion effects on properties and productivity of two Kentucky soils,Soil Science Society of America Journal,1982(5).
[14]
Lindstrom M J,Nelson W W,Schumacher T E,Quantifying tillage erosion rates due to moldboard plowing,Soil & Tillage Research,1992(3).
[15]
Pierson F B,Mulla D J,Aggregate stability in the Palouse region of Washington:effect of landscape position,Soil Science Society of America Journal,1990(5).
[16]
Malo D D,Worcester B K,Cassel D K,Soil-landscape relationships in a closed drainage system,Soil Science Society of America Journal,1974(5).
[17]
Chi B L,Bing C S,Walley F..Topographic indices and yield variability in a rolling landscape of western Canada[J].Pedosphere,2009,(03):362-370.
