TILLAGE EFFECTS ON BULK-DENSITY AND SOIL STRENGTH OF 2 MOLLISOLS

[11] LINDSTROM MJ, 1984, J SOIL WATER CONSERV, V39, P64

[12] MAZURAK AP, 1968, 9TH T INT C SOIL SCI, V1, P813

[13] INFLUENCE OF SOIL-WATER MATRIC POTENTIAL AND RESISTANCE TO PENETRATION ON CORN ROOT ELONGATION [J]. CANADIAN JOURNAL OF SOIL SCIENCE, 1973, 53 (04) : 383 - 388

[14] Nelson D. W., 1982, Methods of soil analysis. Part 2. Chemical and microbiological properties, P539

[15] EFFECTS OF TILLAGE AND DIRECT DRILLING ON SOIL PROPERTIES DURING GROWING SEASON IN A LONG-TERM BARLEY MONO-CULTURE SYSTEM [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1977, 88 (APR) : 431 - 442

[16] RICHARDS LA, 1965, METHODS SOIL ANAL 1, P128, DOI DOI 10.2134/AGRONMONOGR9.1.C8

[17] RITCHIE SW, 1982, 48 IOW COOP EXT SERV

[18] Russell RS., 1977, PLANT ROOT SYSTEMS T

[19] CONTINUOUS CORN BY NO-TILLAGE AND CONVENTIONAL TILLAGE METHODS - A 6-YEAR COMPARISON [J]. AGRONOMY JOURNAL, 1969, 61 (04) : 524 - &

[20] TOLLNER EW, 1984, J SOIL WATER CONSERV, V39, P73

[11] LINDSTROM MJ, 1984, J SOIL WATER CONSERV, V39, P64

[12] MAZURAK AP, 1968, 9TH T INT C SOIL SCI, V1, P813

[13] INFLUENCE OF SOIL-WATER MATRIC POTENTIAL AND RESISTANCE TO PENETRATION ON CORN ROOT ELONGATION [J]. CANADIAN JOURNAL OF SOIL SCIENCE, 1973, 53 (04) : 383 - 388

[14] Nelson D. W., 1982, Methods of soil analysis. Part 2. Chemical and microbiological properties, P539

[15] EFFECTS OF TILLAGE AND DIRECT DRILLING ON SOIL PROPERTIES DURING GROWING SEASON IN A LONG-TERM BARLEY MONO-CULTURE SYSTEM [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1977, 88 (APR) : 431 - 442

[16] RICHARDS LA, 1965, METHODS SOIL ANAL 1, P128, DOI DOI 10.2134/AGRONMONOGR9.1.C8

[17] RITCHIE SW, 1982, 48 IOW COOP EXT SERV

[18] Russell RS., 1977, PLANT ROOT SYSTEMS T

[19] CONTINUOUS CORN BY NO-TILLAGE AND CONVENTIONAL TILLAGE METHODS - A 6-YEAR COMPARISON [J]. AGRONOMY JOURNAL, 1969, 61 (04) : 524 - &

[20] TOLLNER EW, 1984, J SOIL WATER CONSERV, V39, P73